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名称:PC SF800Z?┷PC SF800Z 商家:千泰塑胶原料有限公司 联系人:周生 联系电话:15818465693 给他打电话
发布时间:2021/6/15 16:52:03 联系电话:15818465693 给他打手机
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PEI Plastic online plastic Encyclopedia
1. The main characteristics of PEI plastic online plastic Encyclopedia
1, PEI Chinese name (polyether imide) is amber transparent solid, good flame retardancy and low smoke, combustion grade of UL94-V-0 grade. Medium plastic online plastic Encyclopedia
2, PEI has strong high temperature stability, high temperature resistance, thermal deformation temperature of 220 degrees C, and can be used for a long time at working temperature of 180 C at -160.
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4. Polyether imide has good anti ultraviolet and Y ray properties.
Two, application
Replacing metal with fiber optic connectors can optimize the structure of the component, simplify the manufacturing and assembly steps, and maintain a more accurate size. It is used in automotive field, such as sensors for manufacturing high-temperature connectors, producing high-power lights and indicators, controlling the external temperature of the cabin and controlling the mixture of air and fuel. It can also be used as a vacuum pump impeller with high temperature and lubrication and erosion, a grinding glass joint (Interface) and a non lighting antifogging reflector at a temperature of 180 degrees.
application area
After determining the total projection area (all the cavity plus the area of the injection pressure), we should provide 4 to 6 tons of clamping force for the projection area per square inch, so as to reduce the overflow of components. Glass reinforced resin may require a slightly higher clamping force (an estimate of one ton of clamping force per square inch). The thickness of the wall, the length of the flow and the injection conditions determine the actual tonnage of the clamping force. PC SF800Z?┷PC SF800Z PP台塑1120 POM 德国巴斯夫 2640Z4 NC PMMA 日本住友化学 MG5 TPU深圳科思创(拜耳)UF-95A10 MBS日本钟渊PA-20 PP新加坡聚烯烃FL7641L PP台化T8002 PMMA 日本旭化成 G810 PEEK 基础创新塑料 LF-1002 ABS韩国LGAF312A BK HIPS扬子巴斯夫476L ABS马来西亚东丽700-314 POM 日本宝理 TC-15L ABS高胶粉山东万达WD-133PC德国科思创(拜耳) APEC 1895 TPU德国巴斯夫EB64D12 TPE美国吉力士CL2042X TPEE韩国LG BT-1072D PA66荷兰DSM NY-3/MI/30 BK PBT美国泰科纳2302 G1/20 TPE德国胶宝TC8AAZ-S340 AS(SAN)宁波台化NF2200AE PC基础创新塑料 DMX2415 ABS新湖(常州)石化CF-651A PVC台塑PR-F LCP日本东丽L204T40 PA66上海罗地亚A20V25 BK EVA韩国韩华道达尔E260F PP韩国LG GP-3300 TPU德国巴斯夫C85A PC日本帝人 GN-3720SH BK SEBS美国科腾G7720-1001-01 POM 日本旭化成 4563 HDPE美国量子化学F-FA70000 LLDPE中石化福炼LLF1802 PC SF800Z?┷PC SF800Z PC SF800Z?┷PC SF800Z
Barrel selection and screw design considerations: Plastic online plastic Encyclopedia
When the PEI* resin is processed, the traditional manufacturing materials suitable for the compatible screw and cylinder of the day are usually used. It is recommended to use a bimetallic cylinder.
According to the diameter of the screw, it is best to make the ratio of length to diameter 20:1, and the compression ratio of 2.2:1. In addition, it is suggested to use short feed zone (5 stage) and long compression zone (11 segments), and gradually transition to a shorter measurement area (4 segments) through a constant taper. Compression should be done at a constant taper of a gradual transition, as sharp changes may lead to excessive shear and material degradation. If a specific screw is not selected, it is successful to use a universal screw with a long diameter ratio of 16:1 to 24:1 and a compression rate of 1.5:1 to 3.0:1. It is recommended not to use a cylinder with a vent hole to process PEI* resin. The check valve should be a slip ring type. In a screw metering area, 80%. is usually at least the cross section of the flow area.
PEI is amorphous, and has outstanding high temperature resistance, high strength, high modulus and wide chemical resistance. It has natural flammability, low smoke emission and high dielectric constant and dissipation factor.
Commodity name: ULTEM:
PEI plastic material in plastic online plastic Encyclopedia
The United States GE 1000-1000/71011010-1000/7001, ATX2002100220
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