New nylon families for water injection molding.Bayer Polymers in Pittsburgh and Rhodia Engineering Plastics in Farmington Hills Far·ming·ton Hills A city of southeast Michigan, an industrial suburb of Detroit. Population: 81,400. , Mich., have both introduced grades of 30% glass-reinforced nylon 66 tailored specifically for water injection molding. That emerging process reportedly offers cycles 50% to 70% shorter than gas assist for molding long, thin, hollow-core parts. Bayer's new products are Durethan BKV BKV BK virus. 30 G and DP2-2224/30. The former has been adopted by injection press builder Engel Austria GmbH to make convoluted handles for a machine-protection grid. Both materials are highly resistant to hydrolytic hy·drol·y·sis n. Decomposition of a chemical compound by reaction with water, such as the dissociation of a dissolved salt or the catalytic conversion of starch to glucose. degradation. DP2-2224/30 offers especially high resistance to engine coolants. Meanwhile, Rhodia has launched two grades aimed at providing optimal balances of processability and glycol glycol (glī`kōl), dihydric alcohol in which the two hydroxyl groups are bonded to different carbon atoms; the general formula for a glycol is (CH2)n(OH)2. resistance. They are aimed primarily at automotive coolant coolant (kōō´l  nt),n pipes and other under-hood applications. The grades are Technyl A338 Wit1 V30 bk34N and A338 Wit2 V30 bk34N. Bayer: (412) 777-2000/PT Direct: 468PT * Rhodia: (248) 994-6121/PT Direct. 348ET [ILLUSTRATION OMITTED] |
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