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)(cai)(cai)使用(yong)方法遍(bian)及(ji)pp板(ban)(ban)材(cai)(cai)(cai)(cai)常識，pp板(ban)(ban)材(cai)(cai)(cai)(cai)的(de)(de)特征! pp板(ban)(ban)材(cai)(cai)(cai)(cai)具(ju)有(you)(you)杰出的(de)(de)焊接功用(yong)，管(guan)(guan)材(cai)(cai)(cai)(cai)、管(guan)(guan)件(jian)可(ke)(ke)(ke)(ke)采用(yong)熱(re)熔和(he)電(dian)熔聯(lian)接，設(she)備(bei)便(bian)當(dang)，接頭可(ke)(ke)(ke)(ke)靠(kao)，其聯(lian)接部(bu)位的(de)(de)強度(du)(du)(du)大于管(guan)(guan)材(cai)(cai)(cai)(cai)自身的(de)(de)強度(du)(du)(du)。回(hui)收(shou)(shou)料(liao)(liao)用(yong)量不(bu)(bu)(bu)超越(yue)總(zong)量10%，不(bu)(bu)(bu)影響產(chan)品質量。 pp板(ban)(ban)材(cai)(cai)(cai)(cai)除了具(ju)有(you)(you)一般塑料(liao)(liao)管(guan)(guan)重量輕、耐侵(qin)蝕、不(bu)(bu)(bu)結垢、運(yun)用(yong)壽命長(chang)等(deng)特征外，還具(ju)有(you)(you)以下主要特征： 無(wu)毒(du)(du)、清(qing)(qing)洗。 PP-R管(guan)(guan)導(dao)熱(re)系數為0.21w/mk，僅為鋼管(guan)(guan)的(de)(de)1/200。 PP-R的(de)(de)材(cai)(cai)(cai)(cai)料(liao)(liao)分(fen)子(zi)只(zhi)要碳、氫元素(su)，沒有(you)(you)有(you)(you)害有(you)(you)毒(du)(du)的(de)(de)元素(su)存在，清(qing)(qing)洗可(ke)(ke)(ke)(ke)靠(kao)，不(bu)(bu)(bu)只(zhi)用(yong)于冷(leng)熱(re)水(shui)(shui)管(guan)(guan)道，還可(ke)(ke)(ke)(ke)用(yong)于貞潔(jie)飲用(yong)水(shui)(shui)系統(tong)。 保溫節(jie)能。物(wu)料(liao)(liao)可(ke)(ke)(ke)(ke)回(hui)收(shou)(shou)運(yun)用(yong)。 PP-R廢(fei)物(wu)經(jing)清(qing)(qing)洗、破碎后回(hui)收(shou)(shou)運(yun)用(yong)于管(guan)(guan)材(cai)(cai)(cai)(cai)、管(guan)(guan)件(jian)出產(chan)。 pp板(ban)(ban)材(cai)(cai)(cai)(cai)特征：具(ju)有(you)(you)高(gao)(gao)(gao)剛(gang)度(du)(du)(du),高(gao)(gao)(gao)硬度(du)(du)(du)和(he)高(gao)(gao)(gao)強度(du)(du)(du),但(dan)缺口(kou)抗沖擊韌一般.PP 材(cai)(cai)(cai)(cai)料(liao)(liao)能接受張(zhang)拉應力并易焊接.低(di)溫時變脆(cui),化學(xue)不(bu)(bu)(bu)亂性和(he)電(dian)氣(qi)功用(yong)優異.工(gong)(gong)(gong)作溫度(du)(du)(du)從0度(du)(du)(du)到100度(du)(du)(du).特性：密度(du)(du)(du)低(di);耐熱(re),不(bu)(bu)(bu)變形;高(gao)(gao)(gao)剛(gang)度(du)(du)(du);高(gao)(gao)(gao)表(biao)面強度(du)(du)(du);化學(xue)不(bu)(bu)(bu)亂性好;無(wu)毒(du)(du)無(wu)害; 運(yun)用(yong)： 泵閥部(bu)件(jian),飲用(yong)水(shui)(shui)污水(shui)(shui)管(guan)(guan)道,密封(feng)件(jian),噴涂載體,耐侵(qin)蝕槽、桶,耐酸堿工(gong)(gong)(gong)業(ye)用(yong),廢(fei)水(shui)(shui),廢(fei)氣(qi)排放設(she)備(bei)用(yong),洗刷塔,無(wu)塵室(shi),半導(dao)體廠及(ji)其相關工(gong)(gong)(gong)業(ye)之設(she)備(bei)和(he)機(ji)(ji)(ji)器,食物(wu)機(ji)(ji)(ji)械及(ji)斬(zhan)板(ban)(ban),電(dian)鍍工(gong)(gong)(gong)藝,玩(wan)具(ju)部(bu)件(jian),牙(ya)醫用(yong)導(dao)管(guan)(guan),廣泛用(yong)于化工(gong)(gong)(gong),機(ji)(ji)(ji)械,電(dian)器及(ji)電(dian)子(zi)工(gong)(gong)(gong)業(ye)等(deng)規劃材(cai)(cai)(cai)(cai)料(liao)(liao). 尺度(du)(du)(du)： 板(ban)(ban)材(cai)(cai)(cai)(cai)：厚x寬x長(chang)=2 pp板(ban)(ban)材(cai)(cai)(cai)(cai)具(ju)有(you)(you)強度(du)(du)(du)高(gao)(gao)(gao)、耐溫、防腐功用(yong)好、可(ke)(ke)(ke)(ke)進行填充、增強、增韌、增剛(gang)、阻燃、改性,表(biao)面可(ke)(ke)(ke)(ke)壓花、磨砂(sha). pp塑料(liao)(liao)板(ban)(ban)特征耐熱(re)性好、電(dian)絕緣功用(yong)可(ke)(ke)(ke)(ke)靠(kao)、無(wu)毒(du)(du)、機(ji)(ji)(ji)械強度(du)(du)(du)高(gao)(gao)(gao)，具(ju)有(you)(you)很好的(de)(de)化學(xue)不(bu)(bu)(bu)亂性。設(she)備(bei)便(bian)當(dang)，聯(lian)接可(ke)(ke)(ke)(ke)靠(kao)。