Description DuPont™ Vamac® G is a terpolymer of ethylene, methylacrylate, and a cure site monomer. It is cured using an amine-based vulcanization system. This gum elastomer includes a small amount of processing aid, and has a nominal specific gravity of 1.03. It has a mild acrylic odor. Use adequate ventilation during storage, mixing, and processing to prevent accumulation of residual vapors. Storage stability is excellent. Product Properties Property Target Value Method Mooney Viscosity ML 1’+4’ at 100 °C (212 °F) 16.5 ASTM D1646 Volatiles, wt % ≤ 0.4 Internal DuPont Test Form, mm (in) Bale size is nominally: 560 x 370 x 165 (22 x 15 x 7) Visual inspection Color Clear Visual inspection Major Performance Properties and Applications Vamac® G has excellent high-temperature durability and oil resistance with service lubricants, coupled with good low-temperature flexibility. Compounds of Vamac® G are typically rated at 175 °C (347 °F) for heat resistance, with oil swell values around 50% in IRM 903 oil. The properties of Vamac® G make it well suited for a wide range of automotive applications, including powertrain seals and gaskets, rocker cover and piston seals, oil coolant hoses, power steering hoses, turbocharger hoses, crankcase ventilating tubes, coverings for fuel and coolant hoses, O-rings, grommets and spark plug boots. Vamac® G is an excellent vibration damping material that is uniquely insensitive to temperature over a range of –30 °C (–22 °F) to 160 °C (320 °F). Compounds of Vamac® G are suitable for use in torsional dampers and isolator pads. Vamac® G is a halogen-free polymer and does not decompose to give off corrosive gasses when exposed to flame. It is used for flame-retarded, low-smoke, nonhalogen wire and cable jackets and in nonhalogen, low-smoke flooring. Vamac® G is well suited for injection, transfer and compression molding, and is easily extruded.
公司主营业务如下：
通用塑料：PP,LDPE,HDPE,LLDPE,MLLDPE,ABS,AS,MS,GPPS,PVC.
工程塑料：POM.PC.PA6.PA66.EMMA.EAA.EBA.EMA.EVA.PVDC.TPE.TPU.TPV.
PPS.PPA.EEA,TPEE.POE.CPE.PMMA.PBT.COC.LCP.PPO.PPS.TPX.SPS.
K胶,PEI.PES.PSU.PA9T.PEEK.CAP.LCP.PA46.PA11.PA12.
氟塑料：PFA.PTFE.FEP.PVDF.ETFE.ECTFE.PCTFE.EFEP.氟橡胶.
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