千泰塑膠原料有限公司

千泰塑膠長(zhǎng)期供應(yīng)PA12 TR90╣158-1846-5693經(jīng)理：周生0769-3321-4396 QQ:275-158-775(千泰塑膠)貨源穩(wěn)定，價(jià)格優(yōu)惠，質(zhì)量保證，歡迎來(lái)電咨詢，提供SGS報(bào)告，出廠認(rèn)證，MSGD,COA,UL黃卡等資料….
LLDPE熱封溫度比LDPE高10-15攝氏度4g/cm3）但強(qiáng)迫取向后很難松弛 本公司長(zhǎng)期供應(yīng)貨源穩(wěn)定，價(jià)格優(yōu)惠，質(zhì)量保證，歡迎來(lái)電咨詢PA12 TR90╣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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