东莞市千泰塑胶原料有限公司为您提供pc/abs//wp-1200///行业。pc/abs//wp-1200///行业
本公---期供应货源稳定，价格优惠，-，欢迎来电咨询pc/abs//wp-1200///行业lcp has excellent electrical insulation properties. the dielectric strength is higher than that of the general engineering plastics,&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&alkali concentration of 50% is not affected by the presence of erosion, for industrial solvents, fuel oil, detergent&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&electrical lcp: surface mount electronic&electrical welding dimension stability&resistance of materials have high requirements (can use to surface assembly technology in gas phase infrared welding&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,&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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