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)(ban)(ban)材(cai)使用(yong)方(fang)法遍及(ji)pp板(ban)(ban)(ban)(ban)材(cai)常識(shi)，pp板(ban)(ban)(ban)(ban)材(cai)的特(te)(te)征! pp板(ban)(ban)(ban)(ban)材(cai)具(ju)(ju)(ju)有(you)(you)(you)杰出(chu)的焊接(jie)功用(yong)，管(guan)材(cai)、管(guan)件可(ke)采用(yong)熱(re)(re)熔(rong)和(he)電(dian)熔(rong)聯接(jie)，設(she)備(bei)便(bian)當(dang)，接(jie)頭可(ke)靠(kao)(kao)，其聯接(jie)部位的強(qiang)度(du)(du)(du)大(da)于管(guan)材(cai)自身的強(qiang)度(du)(du)(du)。回(hui)(hui)收(shou)料(liao)用(yong)量(liang)不(bu)(bu)超越總量(liang)10%，不(bu)(bu)影響產(chan)品質量(liang)。 pp板(ban)(ban)(ban)(ban)材(cai)除了具(ju)(ju)(ju)有(you)(you)(you)一般塑料(liao)管(guan)重量(liang)輕、耐(nai)(nai)侵蝕、不(bu)(bu)結垢、運用(yong)壽命(ming)長(chang)等特(te)(te)征外，還(huan)具(ju)(ju)(ju)有(you)(you)(you)以下主要特(te)(te)征： 無毒(du)(du)、清洗(xi)。 PP-R管(guan)導熱(re)(re)系數為0.21w/mk，僅(jin)為鋼管(guan)的1/200。 PP-R的材(cai)料(liao)分子只要碳、氫(qing)元素，沒有(you)(you)(you)有(you)(you)(you)害有(you)(you)(you)毒(du)(du)的元素存在，清洗(xi)可(ke)靠(kao)(kao)，不(bu)(bu)只用(yong)于冷熱(re)(re)水(shui)管(guan)道，還(huan)可(ke)用(yong)于貞潔飲(yin)用(yong)水(shui)系統。 保(bao)溫(wen)(wen)(wen)節(jie)能(neng)。物(wu)料(liao)可(ke)回(hui)(hui)收(shou)運用(yong)。 PP-R廢物(wu)經清洗(xi)、破碎后回(hui)(hui)收(shou)運用(yong)于管(guan)材(cai)、管(guan)件出(chu)產(chan)。 pp板(ban)(ban)(ban)(ban)材(cai)特(te)(te)征：具(ju)(ju)(ju)有(you)(you)(you)高(gao)(gao)剛(gang)度(du)(du)(du),高(gao)(gao)硬度(du)(du)(du)和(he)高(gao)(gao)強(qiang)度(du)(du)(du),但缺口抗沖擊韌一般.PP 材(cai)料(liao)能(neng)接(jie)受張拉(la)應力并易焊接(jie).低溫(wen)(wen)(wen)時(shi)變脆,化學不(bu)(bu)亂(luan)(luan)性(xing)和(he)電(dian)氣功用(yong)優異.工(gong)作溫(wen)(wen)(wen)度(du)(du)(du)從0度(du)(du)(du)到100度(du)(du)(du).特(te)(te)性(xing)：密度(du)(du)(du)低;耐(nai)(nai)熱(re)(re),不(bu)(bu)變形;高(gao)(gao)剛(gang)度(du)(du)(du);高(gao)(gao)表面強(qiang)度(du)(du)(du);化學不(bu)(bu)亂(luan)(luan)性(xing)好(hao)(hao);無毒(du)(du)無害; 運用(yong)： 泵(beng)閥部件,飲(yin)用(yong)水(shui)污水(shui)管(guan)道,密封件,噴涂載體,耐(nai)(nai)侵蝕槽、桶(tong),耐(nai)(nai)酸(suan)堿工(gong)業(ye)(ye)(ye)用(yong),廢水(shui),廢氣排放(fang)設(she)備(bei)用(yong),洗(xi)刷塔,無塵(chen)室(shi),半(ban)導體廠及(ji)其相(xiang)關工(gong)業(ye)(ye)(ye)之設(she)備(bei)和(he)機(ji)器,食物(wu)機(ji)械及(ji)斬(zhan)板(ban)(ban)(ban)(ban),電(dian)鍍工(gong)藝,玩具(ju)(ju)(ju)部件,牙醫用(yong)導管(guan),廣泛用(yong)于化工(gong),機(ji)械,電(dian)器及(ji)電(dian)子工(gong)業(ye)(ye)(ye)等規劃(hua)材(cai)料(liao). 尺度(du)(du)(du)： 板(ban)(ban)(ban)(ban)材(cai)：厚x寬x長(chang)=2 pp板(ban)(ban)(ban)(ban)材(cai)具(ju)(ju)(ju)有(you)(you)(you)強(qiang)度(du)(du)(du)高(gao)(gao)、耐(nai)(nai)溫(wen)(wen)(wen)、防腐(fu)功用(yong)好(hao)(hao)、可(ke)進行(xing)填充、增(zeng)強(qiang)、增(zeng)韌、增(zeng)剛(gang)、阻燃、改性(xing),表面可(ke)壓花(hua)、磨砂. pp塑料(liao)板(ban)(ban)(ban)(ban)特(te)(te)征耐(nai)(nai)熱(re)(re)性(xing)好(hao)(hao)、電(dian)絕緣功用(yong)可(ke)靠(kao)(kao)、無毒(du)(du)、機(ji)械強(qiang)度(du)(du)(du)高(gao)(gao)，具(ju)(ju)(ju)有(you)(you)(you)很好(hao)(hao)的化學不(bu)(bu)亂(luan)(luan)性(xing)。設(she)備(bei)便(bian)當(dang)，聯接(jie)可(ke)靠(kao)(kao)。