New resins for SMC, VARTM, open molding.Several new polyester and vinyl ester Vinyl Ester, or Vinylester, is a resin produced by the esterification of an epoxy resin with an unsaturated monocarboxylic acid. The reaction product is then dissolved in a reactive solvent, such as styrene, to a 35 - 45 percent content by weight. resins have been introduced by Ashland Composite Polymers, Columbus, Ohio. One of these is Arotran HMR HMR Hazardous Materials Regulations HMR Human Resources HMR Home Meal Replacement HMR Hamrun (postal locality, Malta) HMR Hôpital Maisonneuve-Rosemont (Montréal, Canada) , a high-modulus, resilient polyester designed for automotive SMC SMC Saint Mary's College SMC Santa Monica College SMC Solaris Management Console SMC Smooth Muscle Cell SMC Small Magellanic Cloud (also see LMC) SMC Safety Management Certificate (maritime shipping) . It is said to "virtually eliminate" paint popping. It is also more resistant to cracking and crazing, and it can be used in low-density SMC, according to Ashland. Also new is a series of polyesters and vinyl esters tailored specifically for vacuum infusion. The series (including Hetron, Aropol, Modar, and AME See AIT. 2000 grades) offers low viscosity for rapid infusion and a range of cure times. Third is a new low-styrene polyester for filament winding or hand lay-up of underground storage tanks. It contains less than 35% styrene sty·rene n. A colorless oily liquid from which polystyrenes, plastics, and synthetic rubber are produced. Also called vinylbenzene. while providing resistance to petroleum products, alcohols, and alcohol-gasoline mixtures. Low-HAP Aropol Q7022 T-08 resin is aimed at tanks requiring UL 1746 and 1316 certification. Tel: (614) 790-3333 * PTDirect: 187YH [ILLUSTRATION OMITTED] |
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