Fillers include calcium carbonates, kaolin clays, alumina trihydrates, wood and fiber flocks, wood flours, micas, magnesium carbonates, and precipitated amorphous silica.
AZALEA COLOR CO.
Functional mineral fillers available are various grades of talc, calcium carbonate, synthetic barium sulfate, and silica.
BRENNTAG SPECIALTIES, INC.
Functional pigments, chemicals and fillers including zinc, calcium and magnesium metal stearates (FDA and Kosher), precipitated barium sulfate, barium sulfate, hydrated alumina, zinc sulfide, magnesium oxide, calcium carbonate and sulfate, clay, mica, polymer talc and bentonite.
COMPOSITION MATERIALS CO., INC.
Organic fillers include flour and grit nut shells in all mesh sizes; cellulose flock, bleached and unbleached; treated Cellulose K asbestos replacement; hard and soft wood flour in 40-325 mesh; reclaimed rubber dust; flour and grit rice hulls; and flour and grit corn cobs.
CREAFILL FIBERS CORP.
Supplies CreaTech alpha cellulose powders and fibers and CreaMix mineral modified fibers. Both grades are made from bio-based renewable pulp cellulose resources and are available in a wide range of particle sizes.
Products can be granulated or pelletized for more efficient handling and dosing and provide reliable reinforcement, low density, non-abrasion, matrix formation, and low cost in plastics composite applications that include phenolics, urea, polyester, PVC, styrene, nylons, PP and HDPE.
CreaTech powders and fibers have a 99.6% alpha cellulose content that gives purity and consistency with high-temperature toleraiice, superior brightness, low density and volumetric efficiency. CreaTech adds flexural and impact strength to almost any plastic application.
CreaMix fibers are a cost-effective alternative for plastics applications that require a reliable functional filler at an economical cost where brightness and purity are not a factor. CreaMix fibers are derived from reclaimed cellulose sources and offer a minimum of 75% cellulose content. Benefits include strong matrix formation, product rigidity, and impact strength.
Silcron amorphous, fine-particle silica gel in a variety of grades performs as a thixotrope and flatting agent, in addition to preserving clarity and smoothness of finish. Improves pigment dispersion and moisture control; eliminates blocking and plate-out; improves mar resistance or pencil and ink receptivity; and ensures smoother, uninterrupted flow of dry powders. A nontoxic, chemically inert powder averaging 4 to 8 microns can be dry-blended with resin or pigment powders, compounded into resin melts, or be incorporated into a masterbatch or concentrate.
EVONIK DEGUSSA CORP., AEROSIL & SILANES
Aerosil 130, 200, 300 and 380 pyrogenic fumed silicas are thixotropes and reinforcing fillers for silicone rubber and used as additives to prevent plateout in calendered PVC. Aerosil R 972 hydrophobic pyrogenic silica is a reinforcing filler for silicone rubber and a free-flow additive used where moisture pickup can cause caking problems.
Aluminum oxide C pyrogenic alumina is an antistatic agent for granular plastics.
Sipernat 22LS, FK500LS, and Sipernat 44 precipitated silicas arc antiblocking agents in blown PP film (also Aerosil OX50 and Aerosil FLM).
Sipernat 22LS and FK500LS also used to prevent plateout in PVC calendered films. Sipernat 22, 22S, 50, and 50S act as anticaking aids or can be used to convert liquids into easy-to-disperse powders. Hydrophobic Sipernat D17 and Dll are anticaking agents for extremely hygroscopic powders, and FK140 and FK160 are reinforcing fillers in silicone rubber.
Thermoplastic microspheres are ultra-light-weight, flexible, and resilient. Average density between 0.025 and 0.060 g/cc; average particle diam. of 20 to 140 microns. Uniform cell structure and compatibility with resins such as PUR, epoxies, PVC, and PE. Also used in polyesters as a lightweight filler that imparts enough flexibility to the composite to reduce cracking and brittleness.
Available unexpanded for in-situ foaming. RIM applications incorporate Expancel DU (dry, unexpanded) to achieve target densities and reduce shrinkage. PVC plastisols use Expancel DU for uniform, controlled voids in foaming.
IMERYS, PERFORMANCE MINERALS NORTH AMERICA
Provides a variety of calcium carbonate, feldspar, kaolin clay, mica and other mineral products. These minerals bring various functional properties to plastic substrates including reduced blocking, process improvement/reduced cycle times, increased stiffness, increased impact, improved adhesion to paper, opacity for BOPP film, and nucleation for foamed products.
Specialty and commodity talc products for PP, PE and other polyolefins, TPO, many engineering thermoplastics, and select thermoset polymers, including patented and proprietary specialty HAR (high-aspect-ratio) and submicron Jetfine talcs, high performance Cirnpact and JetFil line of macrocrystalline talcs; commodity plastic grades of vStellar, JetFil, Silverline, Nicron and Vertal talcs, as well as macrocrystalline Mistron talcs for rubber and nucleation applications, and surface modified grades for special performance enhancement.
INHANCE/FLUORO SEAL, LTD. TECHNICAL DEPT.
Reactive gas surface modified polymer particles including UHMWPE, HOPE, SiC, and TiC and fibers such as HDPE and aramid have polar surfaces which wet and disperse well in polar systems and which bond tenaciously to numerous polymer systems during cure.
Provides high-quality carbon nanotube (CNT) technologies that can improve the properties of plastic and composite applications.
Carbon nanotubes are tailor-made for ESD/electrical conductivity, thermal protection, eco-friendly anti-fouling, and mechanical reinforcement.
Manufactures and distributes nano-sized inorganic and organic powders.
Mica and feldspar mineral fillers for plastics and coating applications.
POLYONE CORP. ENGINEERED MATERIALS
Specialty additive concentrates in solid or liquid form, with or without colorants, containing fillers and other additives.
PREMIER MAGNESIA, LLC CPI
Magnesium oxide and magnesium carbonate.
R.J. MARSHALL COMPANY, THE MARSHALL ADDITIVE TECHNOLOGIES
ATH, calcium sulfate (gypsum), calcium carbonate, and lightweight fillers. Available separately or in combination with guaranteed properties such as viscosity, gel time, and color. Special-effect fillers available for cast polymer products. Also Spraylite filler systems for making high quality gelcoated, acrylic, or laminated structures.
R.T. VANDERBILT CO., INC. RUBBER & PLASTICS DEPARMENT
Wollastonite (calcium meta-silicate) for polyesters, nylon and other resins. Grades offered include Vansil W-1O (2% retained on 200 mesh), Vansil W-20 (2% retained on 325 mesh), Vansil W-30 (0.06% retained on 325 mesh), Vansil W-40 (0.3 % retained on 325 mesh), Vansil W-50 (0.1% retained on 200 mesh), Vansil WG (20% retained on 200 mesh), Vansil HR-325 (0.5% retained on 325 mesh), and Vansil HR-1500 (2.5% retained on 200 mesh).
Vancote silane-treated Vansil wollastonite is used to improve flexural and impact strength, and dimensional stability.
Clay products in different particle sizes include Dixie clay (0.2-micron average) and McNamee clay (2-micron average).
READE ADVANCED MATERIALS
Manufacturer and value-added custom / toll processor of metal, alloy, mineral, ceramic, composite, nanoparticles, nanofibers, nanotubes, quantum dots, ceramic fibers, natural fibers, metal fibers, aluminide particle fillers and reinforcements for high-performance applications. Products can be made almost 100% pure, and in sizes sometimes down to 5 nanometers.
Also chemically surface-modified fillers, platelets, fibers, whiskers, microspheres (monoclinic and stabilized), conductive additives, magnetic additives, oxides, borides, carbides, and nitrides.
SOUTHERN CLAY PRODUCTS, INC.
Hydrophilic and organophilic rheological additives for a wide range of industrial applications including paints, coatings, greases, plastics, inks, adhesives, caulks and sealants, and personal- and household-care products. Bentonite mineral is used as a building block for manufacturing aqueous and solvent-based rheological additives. Products are good impact modifiers, heat-distortion modifiers, mineral functional fillers, thixotropic agents, and thickeners. Nanomer-brand montmoril-lonite nano-clays suitable for making nano-composite compounds.
SPECIALTY MINERALS INC. SUB. OF MINERAL TECHNOLOGIES INC.
Mineral filler and additive products include ABT antiblock talcs for polyolefin films that provide a balance of blocking efficiency, optical properties, and ease of handling. PoIyBloc talc minimizes absorption of expensive formula additives.
MicroTuff chemically surface-modified reinforcing talcs possess enhanced impact/ stiffness balance, superior long-term heat stability, and superior color and color uniformity.
Super-Pflex, Tuffgard and Ultra-Pflex precipitated calcium carbonate used extensively in rigid PVC applications. Super-Pflex provides higher loading levels and reduced formulation costs while maintaining critical properties in PVC siding and profiles. Ultra-Pflex enhances impact strength and surface appearance in extruded and molded parts. Tuffgard reduces impact modifier levels.
ViCron ground calcium carbonate products and coated Hi-Pflex, PFinyl, and Super-Fil exhibit controlled particle size, high brightness, low resin demand, and ease of handling. Applications in flexible PVC compounds, specialty polyolefins, and calendered vinyls.
TEKNOR COLOR CO. DIV. OF TEKNOR APEX CO.
Mineral filler concentrates available in various thermoplastic resin carriers and in a range of filler loadings. Custom filler concentrates with additive and processing-aid packages available.
3M PERFORMANCE MATERIALS DIV.
Offers hollow microscopic glass spheres with average particle size under 70 microns. Density, strength, packing fraction, particle size, and percent of floaters are controlled. Scotchlite Glass Bubbles reportedly allow for a compound or composite for best cost, weight, texture, shrinkage, and sanding time. Enhancement potential includes abrasion- and corrosion-resistance, gloss control, hardness, low viscosity and lowered VOCs in industrial coatings. Applications include auto-body putty, automotive plastisols, ure-thane foam, polyester SMC, BMC, spray-up, and hand lay-up.
Zeospheres thick-walled, high-compres-sive-strength, very fine particle size ceramic microspheres are used as specialty extenders in thermoset and thermoplastic systems such as SMC, BMC, RIM, RTM, compression molding, injection molding, extrusion, and potting/casting. Variety of particle sizes, including grades fine enough for use as antiblocking agents for films. Products contribute to high filler loadings, increased flow, improved surface finish and hardness, and reduced shrinkage and warpage.
Also offers Z-Light Spheres, low-density (0.6-0.7 g/cc), hollow ceramic microspheres with moderate strength (3000-4000 psi compressive strength) and white color. Reduce density and enhance performance of cultured marble, SMC, and BMC. Used in syntactic foams, marine construction materials, engineering and aerospace composites, and light molded parts.
UNIMIN SPECIALTY MINERALS INC.
Offers silica, nepheline syenite, and feldspar. Whole-grain and ground silica offered for polyester and epoxy systems. High-quality nepheline syenite is good for thermoplastics where color is important. Nepheline also used in PVC and polyester gel coats to maintain color clarity, and in BMC for patio furniture or microwave cookware that's resistant to staining. Also a proven antiblock for PE where clarity is important.
WORLD MINERALS INC. CELITE CORP.
Diatomaceous silicas (diatomite) used as anti-block agents in LDPE, LLDPE, and HDPE films. Use levels can range from 0.1% to 1%. Diatomite lends itself well to masterbatching at levels of 50% by weight. Super Floss grade offers good optical properties at an economical cost.