LEXAN PC 915R阻燃詳細信息:
物(wu)料(liao)性(xing)(xing)能:沖(chong)(chong)擊強度(du)高(gao),尺寸(cun)穩定(ding)性(xing)(xing)好(hao),無色透明,著色性(xing)(xing)好(hao),電絕緣(yuan)性(xing)(xing)、耐腐蝕性(xing)(xing)、耐磨(mo)性(xing)(xing)好(hao),但自潤滑(hua)性(xing)(xing)差(cha),有應(ying)(ying)力開裂傾(qing)向,高(gao)溫(wen)(wen)(wen)易水(shui)(shui)解,與其它樹脂相溶性(xing)(xing)差(cha)。 適于(yu)制作儀表(biao)小(xiao)零件(jian)(jian)、絕緣(yuan)透明件(jian)(jian)和(he)耐沖(chong)(chong)擊零件(jian)(jian). 成(cheng)型(xing)性(xing)(xing)能 1.無定(ding)形料(liao),熱(re)穩定(ding)性(xing)(xing)好(hao),成(cheng)型(xing)溫(wen)(wen)(wen)度(du)范(fan)圍(wei)寬,流動性(xing)(xing)差(cha)。吸濕(shi)小(xiao),但對(dui)水(shui)(shui)敏(min)感,須(xu)經干燥處理(li)。成(cheng)型(xing)收縮率小(xiao),易發(fa)生熔(rong)融(rong)(rong)開裂和(he)應(ying)(ying)力集中,故應(ying)(ying)嚴(yan)格控(kong)制成(cheng)型(xing)條件(jian)(jian),塑件(jian)(jian)須(xu)經退(tui)火(huo)處理(li)。2.熔(rong)融(rong)(rong)溫(wen)(wen)(wen)度(du)高(gao),粘度(du)高(gao),大于(yu)200g的(de)(de)塑件(jian)(jian),宜用加熱(re)式的(de)(de)延伸(shen)噴嘴。3.冷卻速度(du)快,模(mo)(mo)(mo)具(ju)(ju)澆注系統以粗(cu)、短為(wei)原則,宜設冷料(liao)井,澆口(kou)宜取大,模(mo)(mo)(mo)具(ju)(ju)宜加熱(re)。4.料(liao)溫(wen)(wen)(wen)過低會造成(cheng)缺料(liao),塑件(jian)(jian)無光澤,料(liao)溫(wen)(wen)(wen)過高(gao)易溢(yi)邊,塑件(jian)(jian)起泡。模(mo)(mo)(mo)溫(wen)(wen)(wen)低時(shi)收縮率、伸(shen)長率、抗(kang)沖(chong)(chong)擊強度(du)高(gao),抗(kang)彎(wan)、抗(kang)壓、抗(kang)張強度(du)低。模(mo)(mo)(mo)溫(wen)(wen)(wen)超過120度(du)時(shi)塑件(jian)(jian)冷卻慢(man),易變形粘模(mo)(mo)(mo). Lexan PC樹(shu)脂,非晶聚合物聚碳酸酯(zhi)提供(gong)了(le)剛度,硬度和韌性的獨特結合。它(ta)具(ju)有優良的耐候性,抗蠕變, 光學(xue),電(dian)學(xue)和熱性能。 隨貨提供物性表,UL,SGS,MSDS,ROSH,REACH認證,報價,價格網址//ksn.net.cn |