牌号简介 About |
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杜邦Vamac® G是乙烯、丙烯酸甲酯和固化部位单体的三元共聚物。使用胺基硫化系统进行固化。这种橡胶弹性体包括少量加工助剂,其名义比重为1.03。它有轻微的丙烯酸气味。在储存、混合和加工过程中,应充分通风,防止残余蒸汽积聚。储存稳定性极佳。Vamac® G具有优异的高温耐久性和耐油性,同时具有良好的低温灵活性。Vamac® G化合物的耐热性通常为175°C(347°F),在IRM 903油中的油膨胀值约为50%。Vamac® G的特性使其非常适合各种汽车应用,包括动力传动系统密封件和垫圈、摇臂盖和活塞密封件、机油冷却液软管、动力转向软管、涡轮增压器软管、曲轴箱通风管、燃油和冷却液软管的覆盖物、O形圈、套圈和火花塞护套。Vamac® G是一种优良的减振材料,在-30°C(-22°F)到160°C(320°F)范围内对温度具有独特的不敏感。Vamac® G化合物适用于扭转阻尼器和隔振垫。Vamac® G是一种无卤聚合物,当暴露在火焰中时不会分解以释放腐蚀性气体。用于阻燃、低烟、无卤电线和电缆护套以及无卤、低烟地板。Vamac® G非常适合于注塑、转移和压缩成型,并且易于挤压。 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. 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. |
技术参数 Technical Data | |||
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
门尼粘度 Mooney viscosity |
ASTM D1646 | ||
ML 1+4,100℃ ML 1+4,100℃ |
17 到 40 | MU | ASTM D1646 |
MS 1,121℃ MS 1,121℃ |
> 16 | MU | ASTM D1646 |
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
邵氏硬度 Shore hardness |
ASTM D2240 | ||
邵氏 A Shaw's A |
68 | ASTM D2240 | |
邵氏 A Shaw's A 2 |
77 | ASTM D2240 | |
邵氏 A Shaw's A 3 |
66 | ASTM D2240 | |
邵氏 A Shaw's A 4 |
ASTM D2240 | ||
邵氏 A Shaw's A 5 |
ASTM D2240 | ||
邵氏 A Shaw's A 6 |
ASTM D2240 | ||
弹性体 elastic body |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
拉伸强度 tensile strength |
|||
100% 应变 100% strain |
MPa | ASTM D412 | |
100% 应变 100% strain 2 |
MPa | ASTM D412 | |
100% 应变 100% strain 3 |
MPa | ASTM D412 | |
100% 应变 100% strain 4 |
MPa | ASTM D412 | |
100% 应变 100% strain 6 |
MPa | ASTM D412 | |
拉伸强度 tensile strength |
ASTM D412 | ||
屈服 yield |
MPa | ASTM D412 | |
屈服 yield 2 |
MPa | ASTM D412 | |
屈服 yield 3 |
MPa | ASTM D412 | |
屈服 yield 4 |
MPa | ASTM D412 | |
屈服 yield 5 |
MPa | ASTM D412 | |
屈服 yield 6 |
MPa | ASTM D412 | |
拉伸应变 Tensile strain |
ASTM D412 | ||
断裂 fracture |
% | ASTM D412 | |
断裂 fracture 2 |
% | ASTM D412 | |
断裂 fracture 3 |
% | ASTM D412 | |
断裂 fracture 4 |
% | ASTM D412 | |
断裂 fracture 5 |
% | ASTM D412 | |
断裂 fracture 6 |
% | ASTM D412 | |
压缩形变 Compression deformation |
ASTM D395 | ||
150℃,70 hr 150℃,70 hr |
% | ASTM D395 | |
150℃,168 hr 150℃,168 hr |
% | ASTM D395 | |
150℃,336 hr 150℃,336 hr |
% | ASTM D395 | |
150℃,504 hr 150℃,504 hr |
% | ASTM D395 | |
150℃,1008 hr 150℃,1008 hr |
% | ASTM D395 | |
177℃,168 hr 177℃,168 hr |
% | ASTM D395 | |
老化性能 Aging performance |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
体积变化 Volume change |
ASTM D471 | ||
150℃,70 hr,ASTM 标准油(1号) 150 ℃, 70 hr, ASTM standard oil (No.1) |
% | ASTM D471 | |
150℃,70 hr,在IRM 903油中 150 ℃, 70 hr, in IRM 903 oil |
% | ASTM D471 | |
150℃,1008 hr,Dexron® III ATF 150℃,1008 hr,Dexron® III ATF |
% | ASTM D471 | |
150℃,1008 hr,在SF105油中 150 ℃, 1008 hr, in SF105 oil |
% | ASTM D471 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
脆化温度 Embrittlement temperature |
ASTM D3418 | ||
-- -- 7 |
℃ | ASTM D3418 | |
-- -- 8 |
℃ | ASTM D3418 | |
补充信息 Supplementary information |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
Mooney Scorch(Time to 10unit rise,121℃) Mooney Scorch(Time to 10unit rise,121℃) |
min | ASTM D1646 | |
挥发性 volatility |
wt% | 内部方法 |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 Aged 70 Hrs at 150°C (302°F) Immersed in IRM 903 |
3 Aged 1008 Hrs at 150°C (302°F) Immersed in SF-105 Oil |
4 Aged 1008 Hrs at 150°C (302°F) Immersed in GM Dexron® III ATF |
5 Aged 1008 Hrs at 150°C (302°F) in Air |
6 Aged 70 Hrs at 150°C (302°F) Immersed in ASTM #1 Oil |
7 Initial |
8 Inflection |
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