調減玉米避免了巨大損失 　　另一方面在豆粕期權上市首日 本公司長期供應貨源穩定，價格優惠，質量保證，歡迎來電咨詢(TPE 5556-）/LCP has excellent electrical insulation properties. The dielectric strength is higher than that of the general engineering plastics, and the arc resistance is good. In continuous use temperature 200-300 C, its electrical properties are not affected. Intermittent use of temperature up to 316 degrees celsius.
E, LCP has excellent corrosion resistance, LCP products in 90% concentration of acid and alkali concentration of 50% is not affected by the presence of erosion, for industrial solvents, fuel oil, detergent and hot water, the contact will not be dissolved, it will not cause stress cracking.
2, the application of
A, is the main market of electronic and electrical LCP: surface mount electronic and electrical welding dimension stability and resistance of materials have high requirements (can use to surface assembly technology in gas phase infrared welding and welding);
B LCP,: printed circuit board, satellite electronic components, jet engine parts, auto parts, medical;
Molding process
LCP plastic raw material molding temperature is high, because of its variety, the melting temperature in the range of 300~425. LCP melt viscosity is low, the mobility is good, and the olefin plastic approximation. LCP has a very small coefficient of linear expansion, good size stability. Molding processing conditions refer to: molding temperature 300~390 degrees C, mold temperature 100~260 degrees C, molding pressure 7~100MPa, compression ratio 2.5~4, molding shrinkage rate 0.1~0.6.
1 barrel temperature
Usually the barrel temperature, nozzle temperature, material melting temperature as shown in the table.
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