LEXAN PC 244RF阻燃;食品接觸詳細信息:
物(wu)料性(xing)能(neng):沖(chong)(chong)擊(ji)(ji)強度(du)高(gao),尺(chi)寸穩定性(xing)(xing)好,無(wu)色(se)透明(ming),著色(se)性(xing)(xing)好,電絕緣性(xing)(xing)、耐腐蝕性(xing)(xing)、耐磨性(xing)(xing)好,但(dan)自潤(run)滑性(xing)(xing)差,有應(ying)力開裂(lie)傾向,高(gao)溫(wen)(wen)易(yi)水解,與其它樹脂相(xiang)溶性(xing)(xing)差。 適于(yu)制作儀表小(xiao)零件(jian)(jian)、絕緣透明(ming)件(jian)(jian)和(he)耐沖(chong)(chong)擊(ji)(ji)零件(jian)(jian). 成(cheng)型(xing)性(xing)(xing)能 1.無(wu)定形(xing)料(liao)(liao),熱(re)穩定性(xing)(xing)好,成(cheng)型(xing)溫(wen)(wen)度(du)范(fan)圍寬,流(liu)動性(xing)(xing)差。吸濕小(xiao),但(dan)對水敏感,須經(jing)干燥(zao)處理。成(cheng)型(xing)收縮率(lv)(lv)(lv)小(xiao),易(yi)發生熔融開裂(lie)和(he)應(ying)力集中(zhong),故應(ying)嚴格控制成(cheng)型(xing)條件(jian)(jian),塑(su)件(jian)(jian)須經(jing)退(tui)火處理。2.熔融溫(wen)(wen)度(du)高(gao),粘(zhan)度(du)高(gao),大于(yu)200g的塑(su)件(jian)(jian),宜(yi)用加熱(re)式的延(yan)伸噴嘴。3.冷卻(que)速度(du)快(kuai),模(mo)具澆(jiao)(jiao)注(zhu)系統以粗、短為原則,宜(yi)設冷料(liao)(liao)井,澆(jiao)(jiao)口宜(yi)取大,模(mo)具宜(yi)加熱(re)。4.料(liao)(liao)溫(wen)(wen)過低(di)會(hui)造成(cheng)缺料(liao)(liao),塑(su)件(jian)(jian)無(wu)光澤,料(liao)(liao)溫(wen)(wen)過高(gao)易(yi)溢邊,塑(su)件(jian)(jian)起(qi)泡。模(mo)溫(wen)(wen)低(di)時收縮率(lv)(lv)(lv)、伸長率(lv)(lv)(lv)、抗(kang)(kang)沖(chong)(chong)擊(ji)(ji)強度(du)高(gao),抗(kang)(kang)彎、抗(kang)(kang)壓、抗(kang)(kang)張(zhang)強度(du)低(di)。模(mo)溫(wen)(wen)超過120度(du)時塑(su)件(jian)(jian)冷卻(que)慢(man),易(yi)變形(xing)粘(zhan)模(mo). Lexan PC樹脂,非晶聚合(he)物聚碳酸酯提供了剛度(du),硬度(du)和(he)韌(ren)性(xing)的(de)(de)獨特結合(he)。它具有優良的(de)(de)耐候(hou)性(xing),抗蠕變, 光學,電學和(he)熱性(xing)能(neng)。 隨貨提供(gong)物性表,UL,SGS,MSDS,ROSH,REACH認證,報價,價格網址//ksn.net.cn |