Lubricants and processing aids.

ACCUMETRIC INC.

See Meter-Mix Inc.

ACCURATE COLOR INC.

Offers lubricant powder, pellet and liquid dispersions, which can function as slip and antiblock agents, mold releases, pigment dispersants, and gloss modifiers. Can be compounded with other additives as required.

ADELL PLASTICS, INC.

Proprietary concentrates of silicone fluids available for all thermoplastics. They are said to improve mold release, reduce overall cycle time, reduce rejects, and improve part wear and bearing properties. Multifunctional concentrates also available.

AKCROS CHEMICALS AMERICA

Armoslip slip agents reportedly add slip and antiblock characteristics, and also serve as internal mold releases. Products are said to speed molding and extrusion, and give products a smooth surface, high gloss, and close conformity to mold details. These high-molecular-weight fatty acid amides dissolve in resins at processing temperatures but migrate to the surface of finished products as the resins cool.

Interstab G-8257 internal/external lubricant is for rigid and semirigid PVC, ABS, PS, acetals, and polyolefins. Inter-stab G-140 fatty acid ester serves primarily as an internal lubricant for clear rigid PVC. Interstab CA-18-1 calcium stearate and Interstab ZN-18-1 zinc stearate are suggested for PVC, PS, and polyesters. Products are said to be suitable for food-contact uses.

AKROCHEM CORP.

Vegetable and petroleum waxes, calcium and zinc stearates, and silicone fluids are available under the Akrochem name.

ALLIED PRODUCTS CORP.

See Coz Corp.

ALLIEDSIGNAL INC.

Offers A-C polyethylenes and copolymers that are low-molecular-weight, ethylene-based polymers for use as lubricants, flow modifiers, release aids, and dispersion aids. Products reportedly improve release properties of thermoplastic resins, increase output, improve surface quality of the finished product, control melt temperature, increase thermal stability, reduce machine torque, and decrease power consumption. They are also said to wet and disperse inert materials such as pigments, carbon black, flame retardants, and fillers.

AMERICAN INGREDIENTS CO.

See PATCO Polymer Additives Div.

AMERICHEM INC.

Produces specialty lubricant concentrates for most thermoplastics. Products reportedly improve wear resistance and mold release, reduce warpage and rejects, lower material and energy costs, make finishing easier, and reduce tool wear. Available in cubes, pellets or as powders, and offered alone or in a multi-functional concentrate incorporating other additives and colors as specified.

ASTOR WAX CORP.

Produces lubricating waxes, both petroleum (paraffin) and synthetic-based in conjunction with Huls AG. Oxidized lubricants include:

* Vestowax C-60 external synthetic lubricant for smooth, glossy surfaces.

* Vestowax AS-1550 PE wax containing a calcium soap, essentially internal acting.

* Loobwax 0598 low-cost, pure ester wax for internal lubrication of plastic resins.

* Loobwax 0651 PE for high-shear applications usually used with a paraffin wax. Meets PPI TR3/4 requirements. NSF approved.

* Loobwax 0682 ester-based, internal lubricant for replacing or extending more costly synthetic ester waxes.

* Loobwax 0761 esterfied, oxidized PE wax.

Nonoxidized lubricants include:

* Loobwax 0597 intermediate paraffin wax (generically 165 wax) used singly or in combination with other Loobwaxes. Meets PPI TR3/4 requirements. NSF approved.

* Loobwax 0605 synthetic hydrocarbon and paraffin waxes for higher shear application.

* Loobwax 0740 synthetic hydrocarbon-based wax for single-screw extrusion.

Combination lubricants include:

* Comboloob 0609 balanced synthetic and hydrocarbon wax system for processing under moderate to high temperature and shear conditions.

* Comboloob 0856 high-grade saturated hydrocarbon providing internal and external lubrication through its captive metal stearate and wide range of component melting points.

* Comboloob 0827 for promoting impact resistance by aiding and controlling fusion.

* Comboloob 0827/1 combination PE wax with Comboloob 0827.

AXEL PLASTICS RESEARCH LABORATORIES INC.

Mold Wiz INternal lubricants and processing aids, are complex polymeric blends containing no wax, silicone or metallic stearate. Non-exuding additives are mixed into thermoplastics, thermosets and rubbers at levels of 0.1-1% by weight.

Mold Wiz INternal lubricants are compounded into thermplastic resin or dry blended by end users. Synergistic effects reduce melt temperatures and increase melt flow index, resulting in faster cycle times at lower temperatures. Improved resin flow results in easy fill of deep draw cavities, with smooth release of thin walled parts. No warpage when releasing parts from cores or threaded molds. Better wetting of reinforcements and aided elimination of buildup, flow marks and weakness in the weld line. Many internal lubricants give antistatic properties. Molds remain clean; no solvent vapors are released. Molded parts ready for painting, bonding, printing or plating without degreasing. Many products FDA approved.

For thermosets, Mold Wiz INternal lubricants are mixed into gelcoat or resin. They partially crosslink with resin enhancing physical properties. Internal lubricants will not diminish bond strength between laminates. Resin has better wetting properties of reinforcements and substrates, improved flow in closed molds, and easy continuous release from metal molds. While composite molds require surface treatment to seal porosity, Mold Wiz INternal lubricants reportedly augment releasing properties, prolonging mold life.

BASF CORP.

Luwax polyethylene and montan waxes are designed for use as lubricating, wetting and mold-release agents. In extrusion they reportedly allow control over plastication time and maximum torque. Also said to reduce tack and improve gloss of finished products. When used in film processes, Luwax reportedly reduces tack without affecting film transparency and does not plate out.

BUCKMAN LABORATORIES, INC.

Busperse 47 dimethyl amide of an un-saturated fatty acid functions as a lubricant in extrusion processes and a pigment dispersant and viscosity depressant in many resins.

CAMIE-CAMPBELL, INC.

Manufactures a wide variety of release agents and specialty lubricants for all types of processes.

THE CARBORUNDUM CO. BORON NITRIDE DIV.

Boron Nitride, which has a structure similar to graphite, is a specialty multi-functional additive available in various mesh sizes. It adds lubricity and can serve as an extrusion processing aid. Unlike graphite, it is electrically insulating rather than conductive.

CARDINAL STABILIZERS, INC. CARDINAL CAROLINA CORP.

Offers Paraffin wax, calcium stearate and blends of wax/stearate. C-Wax 100 is for PVC extrusion. S-Waxes 1, 2, 3, and 4 are blends of C-Wax 100 and calcium stearate. S-Wax 3 is 50% paraffin wax and 50% calcium stearate. Oxidized PE also can be added. All products can be supplied as flakes or prills.

CASCHEM, INC.

Provides internal/external lubricants produced from castor-oil fatty acids. The hydroxyl group on the fatty portion of the molecule improves dispersibility, compatibility, and wetting of pigments, dyes and other additives.

Paricin 285 and 220 amide waxes are recommended for ABS and PVC molding and extrusion. At levels of 0.5-1%, they provide internal/external lubrication, improve gloss, and act as antistats.

CHEMAX, INC.

Lubricants used as a processing aid reduce friction, which reportedly leads to lower melt viscosity and results in lower energy output during processing.

CHEM-TREND, INC. PLASTICS & RUBBER DIV.

Lubricants include water-based and CFC-free external release agents for flexible and rigid polyurethanes, reinforced polyester, rotomolding, thermosets and thermoplastics molding. Perma-Mold releases are specifically for rigid urethane foam. Mono-Coat semi-permanent formulations can double mold productivity, while giving multiple releases. Product reportedly does not build up on the mold or transfer to the part. Custom formulating available.

CHROMA CORP.

Offers dry powders (unitized or bulk packaged) or pelletized concentrates containing lubricants and other additives for use in commodity or engineering thermoplastics.

CIVIERA & SILVER INT'L. INC. (CSI)

Offers zinc and calcium stearates for use as lubricants and pigment dispersants for manufacturing color concentrates and dry colors. A clear-melting zinc stearate for use in crystal polystyrene also available.

CLIMAX PERFORMANCE MATERIALS SUB OF AMAX INC.

Molysulfide line of molybdenum disulfide is a solid lubricant supplied in three grades: technical, technical fine and super fine. It is used in nylon, acetal, phenolics, PTFE, epoxy and other resins at loadings of 2 to 40%. Although its prime function is to modify external friction and enhance wear properties of the base resin, Molysulfide is also used to give internal lubrication and improve the physical and mechanical properties of many resin systems.

COZ CORP. SUB. OF ALLIED PRODUCTS CORP.

Concentrates containing lubricants and heat and light stabilizers can be supplied in PS, polyolefins and most other thermoplastics.

CRODA UNIVERSAL, INC.

Crodamide lubricants provide slip, antiblock, improved mold flow and mold release in polyolefins, PS, PVC, nylon, ABS and specialty engineering resins.

Crodamides are fatty acid amides, which include primary amides (erucamide, oleamide, behenamide and stearamide) and secondary amides (stearyl erucamide and oleyl palmitamide). Crodamide line has superior thermal stability for use where process temperatures do not allow conventional use of lubricants. Crodamide lubricant additives for thermoplastic elastomers and various engineering resins, alloys and blends also available.

CUSTOM COMPOUNDING INC.

Offers PTFE micropowders as processing aids for thermoplastics and thermosets. Grades range in particle size from less than 2 microns to 75 microns, in a variety of shapes (filaments, irregular, and round). Most significant property is low-friction characteristics. When added at 5-20% levels, PTFE micropowders improve wear, rub resistance and slip properties.

DOW CORNING CORP.

Manufactures silicone fluids, silanes and modified polymers, which include antifoams, coupling agents, internal/external lubricants, process modifiers and surfactants.

Silicone fluids can be compounded into thermoplastics to reduce friction/wear and increase load-speed capabilities. They function as internal lubricants to lower melt viscosity. Benefits often include reduced cycle times, less warpage, fewer rejects and improved surface appearance and gloss. Products are excellent internal mold-release agents and often eliminate the need for external release products.

Antifoams are used in shredding and recycling operations, and during polymerization. Powdered materials help eliminate voids in injection molding.

Coupling agents may be aminofunctional, methacrylate, styrylamine cationic, epoxy or chloralkyl functional; and are used to couple fibers to resins in reinforced plastics and as a surface pretreatment of fillers and reinforcers.

Process modifiers include fluids to encapsulate or coat dry particles for improved flow, hydrophobicity and anticaking properties. Silane chemicals can be used during polymerization to modify catalyst activity and polymer tacticity.

Surfactants produce foams with improved resistance and allow foam fusing at low temperatures. Low odor compared to alkali metal soap surfactants.

DUPONT CO.

Teflon fluoro-additives increase lubricity and wear resistance of thermoplastics and elastomers. Teflon MP 1000, 1100, 1200, 1300, 1400 and 1500 grades are said to show an unusual degree of color, particle size, and property consistency. They reportedly do not agglomerate and thus are more easily dispersible. One reportedly unique property of Teflon MP 1500 is that it can increase tear resistance of elastomers. At use levels of 20 phr, it reportedly increases tear resistance of silicone rubber two to three times. The additives, which come in white powders, have similar chemical and temperature resistance and low coefficient of friction. However, each has a slightly different molecular weight and particle size (from 1 to 50 microns).

EASTMAN CHEMICAL CO.

Offers Epolene low-molecular-weight polyolefins and glycerol monostearates waxes as extrusion lubricants for rigid PVC. Also useful as processing and mold-release lubricants for ABS, polyesters, polycarbonates, nylons, polybutylenes and PE.

FERRO CORP., PLASTICS COLORANTS & DISPERSIONS DIV.

Several additives can be incorporated in Spectraflo liquid dispersions, primarily internal mold releases. Silicone and nonsilicone products offered for polyolefins, styrenics and nylon parts. Calcium, aluminum and zinc stearates available as internal lubricants for nylon.

New liquid purge compound runs in a wide variety of resins, such as nylon, polycarbonate, ABS, PE, PP, HIPS, GPPS, etc. FDA approved. LDR is 8-10%. Can run at any temperature range and cycled through hot-runner mold. Vehicle system stable from 350 F to 700 F.

GARLOCK INC. PLASTOMER PRODUCTS

Offers PTFE powders to reduce friction and improve antistick properties.

GE SILICONES

Offers silicone mold-release additives.

GLS PLASTICS DIV., GREAT LAKES TERMINAL & TRANSPORT

Markets calcium, zinc, aluminum, magnesium and barium stearate lubricants for thermoplastics.

W.R. GRACE & CO. ORGANIC CHEMICALS DIV.

Daxad dispersing agents are for preparing dispersions of antioxidants or pigments in synthetic rubber and polymer emulsions.

C.P. HALL CO.

Manufactures fatty acid esters that act as internal lubricants, antistats, antifogging agents and defoamers. Polyethylene waxes, metallic stearates, silicone fluids, and emulsions also offered.

HALSTAB DIV. HAMMOND LEAD PRODUCTS INC.

Offers two lead-based lubricants, Hal-Lub-N and Hal-Lub-D, for PVC wire and cable, extruded profiles, and molding compounds.

HARWICK CHEMICAL CORP.

External and internal lubricants for rubber and plastics include:

* Silicones--fluids, emulsions, and specialties for all release applications.

* Low-molecular-weight PE--products in pellets, powders, and emulsions.

* Stearic acid.

* Metallic stearates.

* Glycerides--slip, antistatic, and antifog properties.

* Powdered fluoropolymers for low-friction compounds.

* Lubrex proprietary mold-release treatments for thermoplastics.

Other lubricants include various esters, amorphous polypropylene, fatty acids, petrolatum, and PTFE powders.

HENKEL CORP.

Loxiol ester wax additives include internal and external lubricants:

* Glycerol esters for co-stabilizing effect and flow.

* Simple esters, such as the Loxiol G-30 series for thermal stability, low water sensitivity, and replacement of amide waxes.

* Partial esters of polyfunctional alcohols, such as Loxiol HOB 7121 for balancing properties of ester internal lubricants.

* Polymeric polyfunctional alcohol fatty acid compounds for metal release, and as economical replacements for montan esters.

* Ester-based co-stabilizing lubricants offer improvement in thermostability of PVC formulations, reducing stabilizer levels. Recommended for opaque, rigid PVC fittings, profiles, siding, sheet, and foamed PVC.

Most have FDA approval for use with food. Imparts good rarity to transparent articles, such as vacuum formable blister-pack sheet and bottles. Applications in PVC, rigid molded pipe fittings, extruded PVC siding, window and door frames, and high-speed wire and cable extrusion. Products may also be used in semi-rigid and flexible PVC, polycarbonates, phenolics, acrylics and nylons. Advantages include good printability, water-blush resistance, reduction of die swell, prevention of sinks in injection molding, superior melt flow, lower plateout, and improved compatibility.

Emery Group offers glycerol fatty esters in solid or liquid forms as internal or external lubricants for PBT or PET polyesters and PVC formulations. Help increase production rates, reduce melt temperatures, and reduce power consumption.

HIMONT U.S.A., INC.

Xantrix additive delivery system (ADS) concentrates allow incorporating loadings up to 25% by weight of liquid or low melting additives into polyolefins, while remaining dry and free-flowing. Based on reactor technology, concentrates undergo minimal heat history during manufacture, which results in uniform dispersion even at high letdowns. Custom-formulated concentrates available in any quantities and may contain single additive components or combinations in all additive categories.

HOECHST CELANESE CORP. SPECIALTY CHEMICALS GROUP

Hostalub 4401 is a multicomponent, ester-based lubricant system for bottle, profile and siding applications. Hostalub XL 950 is a synthetic-based lubricant system for wire and cable, and other flexible and rigid PVC applications. Offers multifunctional mon-mates such as Hostalub VP NaW1 and CaW2, for engineering resins.

ICI SURFACTANTS

Atmer 129 and 1010 internal lubricants promote polymer flow through the extruder, increasing thermal and color stability and giving better processing latitude. A 1-2 phr addition results in 10-20% reduction in fusion torque, reducing shear, dwell time and heat build-up. Equilibrium times lengthened three- to eight-fold, providing improved thermal stability and a wider processing window.

INOLEX CHEMICAL CO.

Produces variety of monoester, diester, and polyester lubricants for thermoplastics and elastomers. Products offer broad ranges in viscosities, melt points, volatilities and lubricant properties. Custom high-performance products made on proprietary basis.

KANEKA TEXAS CORP.

Produces Kane Ace acrylic processing aids for use in PVC, which vary in molecular weight from ultra-low to ultra-high. Products include PA-10, PA-20, PA-30, PA-50, PA-100 and PA-101. PA-100 and PA-101 function to minimize sticking to metal surfaces.

KENRICH PETROCHEMICALS INC.

Titanate coupling agents are said to be highly effective lubricants at use levels below about 2% of filler content. In filled systems they reportedly cut need for processing lubricants by 75-90%. Titanate and zirconate coupling agents are also said to increase flow of untilled polymers.

Kenplast ESB cumyl phenol benzoate, a solid processing aid, is said to improve molding and extrusion characteristics and to enhance physical properties of the finished product. Used in PVC extrusion, RIM urethanes, and nylon processing.

LONZA INC.

Offers fatty-based, internal and external lubricants--most are used at low levels (around 0.5-2 phr) and many approved for food-contact applications. Major types available:

* Bisamide waxes--Acrawax C, Glycolubes, and Glyconol used for extruding and molding PVC, ABS, polyurethanes, nylons, and other engineering thermoplastics. Glycolube line has applications as internal/external lubricants, mold-release, antifog and antistats for many polymers.

* Proprietary products such as Glycolube P and TS are suggested for engineering resins and polymer alloys. Glycolube PG and Vinylubes are used in PVC bottles, sheets, and profiles when clarity and throughput are critical.

MALLINCKRODT SPECIALTY CHEMICALS CO.

High-purity metallic stearates are supplied as internal/external lubricants in the following areas:

* Hy Dense Calcium Stearate HP granular and RSN powder for rigid PVC pipe and PVC siding lubrication.

* Calcium Stearate RSN 248D for clean neutralization of residual catalysts in polyolefins.

* Magnesium Stearate RSN 1-1 for lubricating ABS resins.

* Zinc Stearate RSN 131 HS for superior clarity/color stability in crystal PS.

* Hy Dense Zinc Stearate XM powder for low viscosity and good mold release in polyester SMC and BMC.

* Hy Dense Zinc Ultrafine as a dispersion and for color concentrates.

METER-MIX, INC. SUB. ACCUMETRIC INC.

Silicone fluid lubricants are said to enhance resin moldability, decrease stress marks, and improve finish of molded parts.

M. MICHEL AND CO., INC.

Cachalot plastic additive S-53T3 is a higher-alcohol-based extrusion, casting, and calendering aid designed primarily for flexible PVC to prevent plastic from sticking to molds and dies.

MORTON INTERNATIONAL, INC. MORTON PLASTICS ADDITIVES

Advawax processing lubricants, slip, and antiblocking agents are for use in ABS, PVC, PS, and other polymers. Bisamide waxes, Advawax 240, 280, and 290, are FDA-approved for food packaging. Advawax 140 flaked ester also FDA-approved. Advapack multifunctional additives offer lubricants for pipe extrusion, siding and profile extrusions and molded fittings.

NORAC CO., INC.

Provides both precipitated and modified fusion-process metallic stearates: aluminum octoate and stearate; barium, 0 calcium, lithium, magnesium, sodium, and zinc stearate (including clear-melt, polymer, and granular types).

NOVACOR CHEMICALS INC. CLEAR PERFORMANCE PLASTICS

P210-G acrylic copolymer processing aid provides improved processing characteristics for PVC without affecting physical properties. Faster fusion, increased production output, and lower cost are said to be typical advantages.

OSi SPECIALTIES, INC.

Offers silicone fluids in a range of viscosities, plus organomodified fluids. Both are used as internal lubricants and mold releases for thermoplastics. A typical product is L-45, used at viscosities of 10,000 to 60,000 cst.

Silicone fluids reduce coefficient of friction, improve wear resistance, and may improve surface appearance and gloss of molded parts. Also provide lower melt viscosity, resulting in better mold fill-out and reduced cycle times in injection molding. They are reported to be excellent internal mold releases, reducing or eliminating the need for externally applied mold-release agents.

PATCO POLYMER ADDITIVES DIV. AMERICAN INGREDIENTS CO.

Offers range of glycerol esters for lubrication of PVC and as antifogs, antistats and antiblocks in polyolefins. Distilled mono glycerides offered in various physical forms: fine beads (Pationic 900, 901 and 902), very fine beads (Pationic 909), and a semi-solid (Pationic 907).

Mono/di glycerides also available in several forms: fine flakes (Pationic 1042 and 0152), beads (Pationic 1042B and 1052B), and semi-solids (Pationic 1064 and 1074).

Glycerol tristearate can be obtained as a fine flake (Pationic 1019) or a fine bead (Pationic 919).

PENRECO DIV. PENNZOIL PRODUCTS CO.

Manufactures line of white mineral oils, petrolatums, and other specialty petroleum products. White mineral oils in a wide range of viscosities are used as plasticizers, internal lubricants, catalyst carriers, mold-release agents, extender oils and dispersing agents.

Specializes in high-molecular-weight, high-distillation, low-volatility products such as Drakeol 34, White Mineral Oil, USP and Drakeol Supreme.

PETROLITE CORP. POLYMERS DIV.

Manufactures microcrystalline waxes and synthetic polymers as lubricants, mold-release agents, dispersing aids in color concentrates, nucleating agents (EPS), and antiblocks (PP film) for thermoplastic resins. Microcrystalline waxes are derived from petroleum and are high-molecular-weight mixtures of straight and branched-chain hydrocarbons with melting points from 170 to 200 F. Many are suitable for food contact.

Polywax PE waxes are low-molecular-weight, high-density, crystalline polymers. Melting points range from 185 to 260 F. Many reportedly meet FDA requirements and have been used to improve EPS appearance and to optimize cost/performance of rigid PVC pipe. Zylac lubricants for rigid PVC may lower the cost per linear foot of pipe and profile extrusions.

Vybar polymers are low-melting (125-165 F) hydrocarbons used as modifiers for paraffin wax, as mold-release agents, and as lubricants in rigid PVC.

PMS CONSOLIDATED

Specialty colorant concentrates, in solid or liquid form and with or without special additives, available containing silicones, fillers, antioxidants, uv stabilizers, fire retardants, blowing agents, slip agents or antistats.

POLYVEL INC.

Provides specialty additive concentrates in powder or pellet form:

* CR5 is recommended for use in PP to reduce viscosity, increase melt-flow rates, and allow for decreased process temperatures and reduced cycle times during molding at use levels of 0.25-1.0%.

* RZ40 is recommended for nylons, ABS and PS. It is said to develop excellent mold-release properties and lubrication at use levels of 0.5-1.0%

* RE40 is for PP, PE and EVA, and reportedly functions to reduce mold sticking and improve part release at use levels of 0.5-1.0%.

* PA10FP is a 10% active fluoroelastomer concentrate specifically developed for use in LLDPE film applications.

Custom lubricant and processing-aid concentrates available, containing as much as 60% additive.

PROGRESSIVE POLYMERS, INC.

Slip, antiblock and internal mold-release additive concentrates available in a variety of thermoplastic resin carriers. Formulations combine custom color with processing aids available to handle special requirements.

REEDSPECTRUM DIV. SANDOZ CHEMICALS CORP.

Custom-formulated multifunctional additive concentrates include lubricant, processing aids and mold-release agents.

RHONE-POULENC INC.

Alkalube line includes glyceryl, simple, and complete esters that function as internal, external, or intermediate lubricants and flow modifiers for rigid PVC, polycarbonates, phenolics, acrylics, and nylons.

ROGER A. REED INC.

Manufactures synthetic wax internal lubricants and mold releases.

SEEGOTT INC.

Offers line of internal/external lubricants made from castor oil fatty acids. Also silicone mold-release additives for molded parts.

SPECIALTY PRODUCTS CO.

Offers external mold-release agents/lubricants for reinforced plastics. Internal release/lubricant processing aids for layup, SMC, BMC and pultrusion eliminate need for costly external-release application. Semi-permanent releases and mold sealers for RTM, filament winding and press molding.

Provides Evergreen line of environmentallylly friendly water-based release agents, non-ozone depleting aerosols, and a styrene suppressant additive for polyester resins.

KantStik Q Powder and KantStik S Powder internal lubricants for thermoplastic resins improve production efficiency by increasing resin flow into deeper recesses and sections of mold cavities.

STEPAN CO.

Drewplast glycerol and partial glycerol esters are primarily internal lubricants for rigid PVC that promote fusion and lower melt viscosity. They are said to exhibit excellent thermal stability and resist hydrolysis, and have FDA food-additive or food-adjunct status.

Drewplast polyoxyethylene products are external lubricants and reportedly have antistatic and moisture-coalescing (antifogging) properties, particularly in PVC food wraps. Have FDA food-additive or food-adjunct status.

Kessco butoxyethyl stearate (BES) is used as an external lubricant in audio, video and computer tapes.

STRUKTOL CO.

Polydis TR products act as wetting agents, internal and external lubricants, and proprietary modifiers, depending on the polymer system. Polydis TR 016, TR 041 and TR 071 are fatty acid derivatives for use with colorants, fillers and flame retardants. They function by hydrogen bonding, lubrication and occupation of free volume. Polydis TR 060 and TR 065 have wide solubility parameters and physical properties designed to cut process times and improve dispersion during polymer mixing. These materials use their solubility and shear-transfer properties to improve surface appearance, dispersion and physicals of compound materials. Uses include polymer alloys and dissimilar blends such as those present in recycling. Polydis TR 121 and TR 131 are primary fatty amides used as slip agents and antiblocks.

SYNTHETIC PRODUCTS CO.

Synpro metallic stearate lubricants offer grades tailored for specific applications:

* For PVC (flexible and rigid), calcium stearate 15F, calcium stearate 12B, Synpro-Flo 91, and Synpro-Flo 92. Calcium stearate lubricants come in easily dispersed, low-dusting, high-bulk, granular products or fine free-flowing powders.

* For ABS, magnesium stearate 90 and magnesium stearate Type M.

* For HDPE and LLDPE, calcium stearate 114-36, calcium stearate 114-40, and zinc stearate 8.

* For PP, calcium stearate 114-36 and 114-40.

* For PS (impact and expandable), zinc stearate ACF.

* For crystal PS, zinc stearate Type 8 and Petrac zinc stearate 44 HS.

* For polyester, zinc stearates ABG, FRP, S-1058, and D. Zinc stearate XRP is a mold-release agent for reinforced plastics, featuring more efficient release, improved surface, more rapid wet-out, lower mix viscosity, and improved handling characteristics.

* For phenolics, calcium stearate 12B and zinc stearate S-1271.

* For melamine, zinc stearate ACF and zinc stearate S-1271.

THERMOFIL, INC.

Thermolube line of processing-aid concentrates is for all thermoplastics from PS to PPS. Advantages are said to include faster cycle times, better mold release, lower energy consumption due to lower stock temperatures, and cycle, time reductions of over 1096. Also reported to be more economical than aerosol spray release agents.

3M CO.

Industrial Tape and Specialties Div. offers Dynamar fluorocarbon elastomer processing aids to ease extrusion and blow molding of LLDPE, HMW-HDPE, PP, PET, EVA and PVC. At typical levels of 25-1000 ppm, they are said to improve processing without altering or detracting from mechanical properties associated with high-strength plastics.

TIOXIDE AMERICAS INC.

Supplies Tilcom organic titanates and zirconates manufactured by Tioxide Specialties Ltd. Recommended for use as lubricants and processing aids in filled and untilled systems, and as adhesion promoters for some ink systems used on plastic packaging.

UNION CAMP CORP.

Uniflex products include several grades of butyl stearate suitable for use with molded or extruded processes. They are said to be compatible with PS and poly-vinyl butyral, and partly compatible with PVC.

WACKER SILICONES CORP.

Manufactures silicone fluids and emulsions in several viscosities, which are recommended as internal lubricant additives for thermoplastics. Dimethyl-polysiloxane fluids with viscosities of 12,500 and 30,000 centistokes reportedly give the greatest effectiveness when added to most thermoplastics, including nylons and styrenics. Thermoplastics internally lubricated with silicones are said to show lower coefficients of friction, improved wear resistance, easier demolding, and (in many cases) lower melt viscosity, which can speed injection rate and reduce cycle time.

Special functional silicone fluids and emulsions give unique lubricity and multiple release effects, or allow easier paintability.

WILSON COLOR INC. A UNIT OF M.A. HANNA CO.

Offers silicone concentrates in 15-20% loadings for ABS, acetal, nylon 6, 66, and 612, polycarbonate, PBT polyester, PP, PE, PS and SAN.

Also produces Wil-Lube stearate concentrates or other lubricants in a multipurpose resin compatible with a variety of thermoplastics, including vinyls, polyolefins, styrenics, acrylics, cellulosics, polyesters and nylons. They are nonstaining, noncorrosive, and low in volatility.

WITCO CORP. PETROLEUM SPECIALTIES GROUP

Manufactures fully refined Sonneborn line of USP and NF grade of white mineral oils, petrolatums and microcrystalline waxes for use as internal and external lubricants.

Plastics Oils available in a range of viscosities and tailored with low volitility.

Provides FDA-approved compressor lubricants.

WITCO CORP. POLYMER ADDITIVES GROUP

Several families of lubricants include:

* Kemamide E, S, B, and U primary fatty amides used in PE, PP, PS, PVC, PU, and elastomers for slip, antiblock, and mold release.

* Kemamide W-40 ethylene bisstearamide mold-release additive for acetal, PBT, phenolic resins, and a lubricant for PVC.

* Kemamide S-180, E-180, P-181, S-221 and E-221 secondary amide slip and antiblock agents, which can withstand processing temperatures surpassing 550 F.

* Hystrene fatty acid lubricants and mold-release agents for polystyrene.

* Kemester 5721 and 5822 fatty ester lubricants for engineering resins.

* Atmos 150, Atmul 84, and Dimul S food-grade, mold-release, antistatic, and antifog agents for polyolefins and PVC.

* Atmos 300 and Atmos 695 antifog agents for polyolefins and PVC, and anti-stars for flexible PVC. Also reduce viscosity of vinyl plastisols.

* Atmos 150, Atmul 84, Dimul S, and Kemester GMB used as slip and antiblock agents in polyolefins.

* Moldpro internal mold releases and processing aids for polyolefins, engineering resins and elastomers.

Also offers metallic stearates:

* For Rigid PVC--Calcium Stearate FP, F, and Extra Dense; Magnesium Stearate D; and Sodium Stearate T-1 internal lubricants. Sunolite 160 refined petroleum wax used as an external lubricant.

* For flexible PVC--Calcium Stearates F and FP.

* For crystal PS--Zinc Stearate Ed-Heat Stable.

* For expandable PS--Zinc Stearates 11 and Polymer Grade.

* For high-impact PS--Calcium Stearate FP, Heat-Stable Sodium Stearate, and Sodium Stearate T-1.

* For PP--Calcium Stearates FP, F, and Regular, and potassium stearate.

* For HDPE--Calcium Stearates FP and F; Zinc Stearates 11 and Ed-Heat Stable.

* For ABS--Magnesium Stearates D and DM, and Calcium Stearate FP.

* For cellulosics--Zinc Stearate 11.

* For nylon--Heat-Stable Sodium Stearate and Zinc Stearate 11.

* For phenolics--Calcium Stearates F, FP, and Extra Dense.

* For unsaturated polyester--Zinc Stearates 11 and Regular, Lubrazinc W, Calcium Stearates Regular and P-Coarse.