PEI 1010-7101 送货上门
价格:100.00起
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关 键 词:1010-7101,PEI
行 业:塑料 通用/工程塑料 工程塑料
发布时间:2021-06-22
沙伯基础创新塑料(中国)有限公司于1994年02月23日成立。公司经营范围包括:化工产品批发(危险化学品除外);塑料制品批发;合成纤维批发;初级形态塑料及合成树脂制造(化学品、危险化学品除外);塑料薄膜制造;塑料板、管、型材制造;塑料粒料制造等
美国保险商实验室规定聚醚树脂的长期使用温度是338T和356T(根据等级),燃烧等级达到UL94V—0(10密耳厚度。)氧指数达47,聚醚酰符合飞机内件要求的FAA阻燃性和热稀放性的材料标准。它的玻璃化转变温度为419F,并允许在392F下间断使用,在更高温度下,产生短期偏移。在356T下,拉伸温度和挠曲模量分别在41和2068MPa以上。用玻纤、碳纤维增强的材料在接近玻璃态转变温度下,具有更高的强度和刚度。
Pei has strong high temperature stability, even if it is non reinforced Pei, it still has good toughness and strength. Therefore, Pei can be used to make high temperature heat-resistant devices. Pei also has good flame retardant, chemical resistance and electrical insulation properties. The glass transition temperature is very high, up to 215 ℃. Pei also has low shrinkage and good isotropic mechanical properties. Adding glass fiber, carbon fiber or other fillers can achieve the pure of reinforcement and modification; it can also form heat-resistant polymer alloy with other engineering plastics, which can be used for a long time under the working temperature of - 160 ~ 180 ℃. UL stipulates that the long-term service temperature of polyetherimide resin is 338t and 356t. According to the grade, the combustion grade reaches ul94v-010 mil thickness. The oxygen index is 47, and Pei meets the FAA flame retardant and heat release material standards for aircraft internals. It has a glass transition temperature of 419f and allows intermittent use at 392f, resulting in short-term excursion at higher temperatures.
PEI的注塑模工艺条件:
熔化温度:普通类型材料为340~400℃;增强类型材料为340~415℃。
模具温度:107~175℃,建议模具温度为140℃。压力:700~1500bar。
速度:使用尽可能高的速度。
干燥处理:PEI具有吸湿特性并可导致材料降解。要求湿度值应小于0.02%。建议干燥条件为150℃、4小时的干燥处理。
The long-term creep resistance of Pei (polyetherimide) under high temperature and stress allows it to replace metals and other materials in many structural devices. It has good electrical properties under variable temperature, humidity and frequency. The low loss factor at GHz makes polyetherimide have high microwave wearability. Its ionic pollutants are of low level, and its conductivity is more than 20 megohm at 250 f R.H. and 207 kPa for 120 hours. It can be used as an insulating material for electronic sensor components.
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