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板材(cai)(cai)(cai)使用(yong)(yong)方(fang)法遍(bian)及pp板材(cai)(cai)(cai)常識，pp板材(cai)(cai)(cai)的特征(zheng)(zheng)! pp板材(cai)(cai)(cai)具有(you)(you)杰出的焊(han)接(jie)功用(yong)(yong)，管材(cai)(cai)(cai)、管件(jian)可(ke)(ke)采用(yong)(yong)熱(re)熔(rong)和電(dian)(dian)熔(rong)聯接(jie)，設(she)備(bei)便(bian)當，接(jie)頭可(ke)(ke)靠(kao)，其聯接(jie)部(bu)位的強(qiang)度(du)(du)(du)大于管材(cai)(cai)(cai)自(zi)身的強(qiang)度(du)(du)(du)。回(hui)收料(liao)(liao)用(yong)(yong)量(liang)不(bu)超越總量(liang)10%，不(bu)影響產品質量(liang)。 pp板材(cai)(cai)(cai)除了具有(you)(you)一般塑料(liao)(liao)管重量(liang)輕、耐(nai)(nai)侵蝕(shi)、不(bu)結(jie)垢、運用(yong)(yong)壽命(ming)長等特征(zheng)(zheng)外，還具有(you)(you)以下主要特征(zheng)(zheng)： 無(wu)毒(du)、清(qing)洗(xi)(xi)。 PP-R管導(dao)熱(re)系(xi)數為0.21w/mk，僅為鋼管的1/200。 PP-R的材(cai)(cai)(cai)料(liao)(liao)分子只(zhi)要碳(tan)、氫(qing)元(yuan)素，沒有(you)(you)有(you)(you)害有(you)(you)毒(du)的元(yuan)素存在(zai)，清(qing)洗(xi)(xi)可(ke)(ke)靠(kao)，不(bu)只(zhi)用(yong)(yong)于冷熱(re)水(shui)管道，還可(ke)(ke)用(yong)(yong)于貞潔飲用(yong)(yong)水(shui)系(xi)統(tong)。 保溫(wen)(wen)(wen)節能。物(wu)(wu)料(liao)(liao)可(ke)(ke)回(hui)收運用(yong)(yong)。 PP-R廢(fei)(fei)物(wu)(wu)經清(qing)洗(xi)(xi)、破碎后回(hui)收運用(yong)(yong)于管材(cai)(cai)(cai)、管件(jian)出產。 pp板材(cai)(cai)(cai)特征(zheng)(zheng)：具有(you)(you)高(gao)剛(gang)度(du)(du)(du),高(gao)硬度(du)(du)(du)和高(gao)強(qiang)度(du)(du)(du),但缺(que)口抗沖(chong)擊韌一般.PP 材(cai)(cai)(cai)料(liao)(liao)能接(jie)受張拉應力并易焊(han)接(jie).低溫(wen)(wen)(wen)時變脆(cui),化(hua)學(xue)不(bu)亂性(xing)和電(dian)(dian)氣功用(yong)(yong)優(you)異.工作溫(wen)(wen)(wen)度(du)(du)(du)從(cong)0度(du)(du)(du)到100度(du)(du)(du).特性(xing)：密度(du)(du)(du)低;耐(nai)(nai)熱(re),不(bu)變形;高(gao)剛(gang)度(du)(du)(du);高(gao)表(biao)面強(qiang)度(du)(du)(du);化(hua)學(xue)不(bu)亂性(xing)好;無(wu)毒(du)無(wu)害; 運用(yong)(yong)： 泵閥(fa)部(bu)件(jian),飲用(yong)(yong)水(shui)污水(shui)管道,密封件(jian),噴涂載體,耐(nai)(nai)侵蝕(shi)槽、桶(tong),耐(nai)(nai)酸堿工業(ye)(ye)用(yong)(yong),廢(fei)(fei)水(shui),廢(fei)(fei)氣排放設(she)備(bei)用(yong)(yong),洗(xi)(xi)刷(shua)塔,無(wu)塵室,半導(dao)體廠及其相關(guan)工業(ye)(ye)之(zhi)設(she)備(bei)和機器(qi),食物(wu)(wu)機械(xie)及斬板,電(dian)(dian)鍍工藝,玩具部(bu)件(jian),牙醫用(yong)(yong)導(dao)管,廣泛用(yong)(yong)于化(hua)工,機械(xie),電(dian)(dian)器(qi)及電(dian)(dian)子工業(ye)(ye)等規劃材(cai)(cai)(cai)料(liao)(liao). 尺度(du)(du)(du)： 板材(cai)(cai)(cai)：厚x寬x長=2 pp板材(cai)(cai)(cai)具有(you)(you)強(qiang)度(du)(du)(du)高(gao)、耐(nai)(nai)溫(wen)(wen)(wen)、防腐功用(yong)(yong)好、可(ke)(ke)進行填(tian)充、增(zeng)(zeng)強(qiang)、增(zeng)(zeng)韌、增(zeng)(zeng)剛(gang)、阻燃、改性(xing),表(biao)面可(ke)(ke)壓花、磨砂. pp塑料(liao)(liao)板特征(zheng)(zheng)耐(nai)(nai)熱(re)性(xing)好、電(dian)(dian)絕緣功用(yong)(yong)可(ke)(ke)靠(kao)、無(wu)毒(du)、機械(xie)強(qiang)度(du)(du)(du)高(gao)，具有(you)(you)很(hen)好的化(hua)學(xue)不(bu)亂性(xing)。設(she)備(bei)便(bian)當，聯接(jie)可(ke)(ke)靠(kao)。