亚洲 欧美 变态 另类 综合_两个人看的www高清免费_久久久久人妻精品区一三寸_肉岳疯狂69式激情的高潮

pp板(ban)(ban)材(cai)(cai)使(shi)用(yong)(yong)(yong)方(fang)法(fa)遍(bian)及pp板(ban)(ban)材(cai)(cai)常識，pp板(ban)(ban)材(cai)(cai)的(de)(de)特(te)(te)征(zheng)(zheng)! pp板(ban)(ban)材(cai)(cai)具有(you)(you)(you)(you)杰(jie)出(chu)(chu)的(de)(de)焊(han)接(jie)(jie)(jie)功(gong)用(yong)(yong)(yong)，管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件可(ke)(ke)(ke)采用(yong)(yong)(yong)熱熔(rong)和(he)電(dian)熔(rong)聯(lian)接(jie)(jie)(jie)，設備(bei)便(bian)當，接(jie)(jie)(jie)頭可(ke)(ke)(ke)靠，其聯(lian)接(jie)(jie)(jie)部(bu)位的(de)(de)強(qiang)(qiang)度(du)(du)大(da)于(yu)管(guan)(guan)(guan)材(cai)(cai)自身的(de)(de)強(qiang)(qiang)度(du)(du)。回(hui)收料(liao)(liao)(liao)用(yong)(yong)(yong)量不(bu)超(chao)越(yue)總(zong)量10%，不(bu)影(ying)響產(chan)品質量。 pp板(ban)(ban)材(cai)(cai)除(chu)了(le)具有(you)(you)(you)(you)一般(ban)塑(su)料(liao)(liao)(liao)管(guan)(guan)(guan)重量輕、耐(nai)(nai)侵蝕、不(bu)結垢、運(yun)用(yong)(yong)(yong)壽命(ming)長等特(te)(te)征(zheng)(zheng)外，還具有(you)(you)(you)(you)以(yi)下主要特(te)(te)征(zheng)(zheng)： 無毒(du)、清洗(xi)。 PP-R管(guan)(guan)(guan)導熱系數為0.21w/mk，僅為鋼管(guan)(guan)(guan)的(de)(de)1/200。 PP-R的(de)(de)材(cai)(cai)料(liao)(liao)(liao)分子只要碳、氫(qing)元(yuan)素(su)，沒有(you)(you)(you)(you)有(you)(you)(you)(you)害(hai)有(you)(you)(you)(you)毒(du)的(de)(de)元(yuan)素(su)存在(zai)，清洗(xi)可(ke)(ke)(ke)靠，不(bu)只用(yong)(yong)(yong)于(yu)冷熱水(shui)(shui)(shui)管(guan)(guan)(guan)道，還可(ke)(ke)(ke)用(yong)(yong)(yong)于(yu)貞潔飲用(yong)(yong)(yong)水(shui)(shui)(shui)系統(tong)。 保溫節能。物料(liao)(liao)(liao)可(ke)(ke)(ke)回(hui)收運(yun)用(yong)(yong)(yong)。 PP-R廢(fei)物經清洗(xi)、破碎(sui)后回(hui)收運(yun)用(yong)(yong)(yong)于(yu)管(guan)(guan)(guan)材(cai)(cai)、管(guan)(guan)(guan)件出(chu)(chu)產(chan)。 pp板(ban)(ban)材(cai)(cai)特(te)(te)征(zheng)(zheng)：具有(you)(you)(you)(you)高(gao)(gao)(gao)剛度(du)(du),高(gao)(gao)(gao)硬度(du)(du)和(he)高(gao)(gao)(gao)強(qiang)(qiang)度(du)(du),但缺口(kou)抗沖擊(ji)韌一般(ban).PP 材(cai)(cai)料(liao)(liao)(liao)能接(jie)(jie)(jie)受張拉應力并易焊(han)接(jie)(jie)(jie).低溫時變脆,化(hua)學(xue)(xue)不(bu)亂性和(he)電(dian)氣(qi)功(gong)用(yong)(yong)(yong)優異.工作溫度(du)(du)從0度(du)(du)到100度(du)(du).特(te)(te)性：密(mi)度(du)(du)低;耐(nai)(nai)熱,不(bu)變形;高(gao)(gao)(gao)剛度(du)(du);高(gao)(gao)(gao)表面(mian)強(qiang)(qiang)度(du)(du);化(hua)學(xue)(xue)不(bu)亂性好(hao)(hao)(hao)(hao);無毒(du)無害(hai); 運(yun)用(yong)(yong)(yong)： 泵閥(fa)部(bu)件,飲用(yong)(yong)(yong)水(shui)(shui)(shui)污水(shui)(shui)(shui)管(guan)(guan)(guan)道,密(mi)封件,噴(pen)涂載(zai)體,耐(nai)(nai)侵蝕槽、桶(tong),耐(nai)(nai)酸(suan)堿工業用(yong)(yong)(yong),廢(fei)水(shui)(shui)(shui),廢(fei)氣(qi)排放設備(bei)用(yong)(yong)(yong),洗(xi)刷塔,無塵室,半導體廠及其相(xiang)關工業之(zhi)設備(bei)和(he)機(ji)(ji)器,食物機(ji)(ji)械(xie)及斬(zhan)板(ban)(ban),電(dian)鍍工藝(yi),玩具部(bu)件,牙醫(yi)用(yong)(yong)(yong)導管(guan)(guan)(guan),廣泛用(yong)(yong)(yong)于(yu)化(hua)工,機(ji)(ji)械(xie),電(dian)器及電(dian)子工業等規(gui)劃材(cai)(cai)料(liao)(liao)(liao). 尺度(du)(du)： 板(ban)(ban)材(cai)(cai)：厚x寬x長=2 pp板(ban)(ban)材(cai)(cai)具有(you)(you)(you)(you)強(qiang)(qiang)度(du)(du)高(gao)(gao)(gao)、耐(nai)(nai)溫、防腐功(gong)用(yong)(yong)(yong)好(hao)(hao)(hao)(hao)、可(ke)(ke)(ke)進行填充、增強(qiang)(qiang)、增韌、增剛、阻燃、改性,表面(mian)可(ke)(ke)(ke)壓花、磨砂. pp塑(su)料(liao)(liao)(liao)板(ban)(ban)特(te)(te)征(zheng)(zheng)耐(nai)(nai)熱性好(hao)(hao)(hao)(hao)、電(dian)絕緣功(gong)用(yong)(yong)(yong)可(ke)(ke)(ke)靠、無毒(du)、機(ji)(ji)械(xie)強(qiang)(qiang)度(du)(du)高(gao)(gao)(gao)，具有(you)(you)(you)(you)很好(hao)(hao)(hao)(hao)的(de)(de)化(hua)學(xue)(xue)不(bu)亂性。設備(bei)便(bian)當，聯(lian)接(jie)(jie)(jie)可(ke)(ke)(ke)靠。