SABIC原厂供应PEI----Main characteristics
1. Physical properties: amorphous; Good dimensional stability; Low creep sensitivity; The coefficient of thermal expansion is small and uniform; Excellent strength to weight ratio; wrong
Excellent anti coloring performance; FDA and NSF compliant
2. Mechanical properties: high impact strength; Excellent ductility; Fatigue resistance, long-term creep resistance
3. Heat resistance: high temperature stability; High long-term heat resistance, hot deformation temperature up to 220 ℃; The glass transition temperature (TG) is 217 ℃,
HDT / AE is 190 ℃, which can be used for a long time under the working temperature of - 160-180 ℃, and the maximum allowable intermittent use temperature is 200 ℃; Heat conduction system
Number 0.22w/m/k
4. Combustion performance: excellent natural flame retardancy; Low smoke, no need to add flame retardant;
5. Chemical stability: hydrolysis stability is very good; High temperature and steam resistance; It has good corrosion resistance to a variety of chemicals, such as gasoline fluid
Fully halogenated hydrocarbons, alcohol and aqueous solutions;
6. Electrical performance: excellent electrical performance; It has stable dielectric constant and dielectric loss in a wide frequency and temperature range
Extremely high dielectric strength; Electrical insulation;
7. Weather resistance:
8. Radiation resistance: radiation resistance; It has good UV and y-ray resistance; High microwave wearability; For visible light, infrared light and
Microwave radiation is transparent and non absorbable
8. Processability: low shrinkage and good mechanical properties in the same direction;
基本介绍
英文名称:Polyetherimide，琥珀色（透明深黄色），高性能的无定形聚合物，不添加任何添加剂就有固有
的阻燃性和低烟度。
项目 纯树脂 玻纤增强 PEI/PCE 合金
颜色
密度（kg/cm3） 1.27-1.36 1.34-1.61 1.26
洛氏硬度（R） 109 114
成型收缩率(%) 0.5-0.7 0.1-0.9 0.5-0.7
吸水率(%) 0.25 0.13
平衡吸水率(%) 1.3 0.9
介电常数 3.5-3.7
拉伸强度（M） 110 108-186 96
弯曲强度（M） 152-165 172-241 145
悬臂梁有缺口冲击（D256） 27-53 32-110 53
维卡软化温度（℃） 181-219 210-234
热变形温度（1.8MPa） 161-201℃ 205-213 19