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)使用(yong)(yong)(yong)(yong)(yong)(yong)(yong)方法遍及pp板(ban)(ban)材(cai)(cai)(cai)常識，pp板(ban)(ban)材(cai)(cai)(cai)的特(te)征! pp板(ban)(ban)材(cai)(cai)(cai)具(ju)(ju)(ju)有(you)杰出的焊接(jie)功(gong)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)，管(guan)(guan)(guan)材(cai)(cai)(cai)、管(guan)(guan)(guan)件可(ke)采用(yong)(yong)(yong)(yong)(yong)(yong)(yong)熱(re)熔和電(dian)熔聯接(jie)，設(she)(she)備便當(dang)，接(jie)頭可(ke)靠，其(qi)聯接(jie)部(bu)位的強(qiang)度(du)(du)大于(yu)(yu)管(guan)(guan)(guan)材(cai)(cai)(cai)自身的強(qiang)度(du)(du)。回(hui)收料用(yong)(yong)(yong)(yong)(yong)(yong)(yong)量不超越總量10%，不影響(xiang)產(chan)品(pin)質(zhi)量。 pp板(ban)(ban)材(cai)(cai)(cai)除了(le)具(ju)(ju)(ju)有(you)一般塑料管(guan)(guan)(guan)重(zhong)量輕、耐(nai)(nai)侵蝕、不結垢、運用(yong)(yong)(yong)(yong)(yong)(yong)(yong)壽(shou)命長(chang)等特(te)征外(wai)，還(huan)具(ju)(ju)(ju)有(you)以下主要特(te)征： 無(wu)毒、清洗(xi)(xi)。 PP-R管(guan)(guan)(guan)導(dao)熱(re)系數為0.21w/mk，僅為鋼管(guan)(guan)(guan)的1/200。 PP-R的材(cai)(cai)(cai)料分(fen)子只要碳、氫(qing)元素，沒有(you)有(you)害(hai)有(you)毒的元素存在，清洗(xi)(xi)可(ke)靠，不只用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)冷熱(re)水(shui)(shui)管(guan)(guan)(guan)道(dao)，還(huan)可(ke)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)貞潔飲用(yong)(yong)(yong)(yong)(yong)(yong)(yong)水(shui)(shui)系統(tong)。 保溫節能(neng)。物(wu)料可(ke)回(hui)收運用(yong)(yong)(yong)(yong)(yong)(yong)(yong)。 PP-R廢物(wu)經清洗(xi)(xi)、破(po)碎后回(hui)收運用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)管(guan)(guan)(guan)材(cai)(cai)(cai)、管(guan)(guan)(guan)件出產(chan)。 pp板(ban)(ban)材(cai)(cai)(cai)特(te)征：具(ju)(ju)(ju)有(you)高(gao)剛度(du)(du),高(gao)硬(ying)度(du)(du)和高(gao)強(qiang)度(du)(du),但(dan)缺(que)口抗沖擊韌一般.PP 材(cai)(cai)(cai)料能(neng)接(jie)受張(zhang)拉應力并易焊接(jie).低溫時變(bian)(bian)脆(cui),化學不亂性(xing)(xing)(xing)(xing)和電(dian)氣(qi)功(gong)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)優(you)異.工(gong)(gong)(gong)作(zuo)溫度(du)(du)從0度(du)(du)到(dao)100度(du)(du).特(te)性(xing)(xing)(xing)(xing)：密度(du)(du)低;耐(nai)(nai)熱(re),不變(bian)(bian)形(xing);高(gao)剛度(du)(du);高(gao)表(biao)面(mian)強(qiang)度(du)(du);化學不亂性(xing)(xing)(xing)(xing)好(hao);無(wu)毒無(wu)害(hai); 運用(yong)(yong)(yong)(yong)(yong)(yong)(yong)： 泵閥部(bu)件,飲用(yong)(yong)(yong)(yong)(yong)(yong)(yong)水(shui)(shui)污(wu)水(shui)(shui)管(guan)(guan)(guan)道(dao),密封(feng)件,噴涂(tu)載體(ti),耐(nai)(nai)侵蝕槽、桶,耐(nai)(nai)酸(suan)堿(jian)工(gong)(gong)(gong)業(ye)用(yong)(yong)(yong)(yong)(yong)(yong)(yong),廢水(shui)(shui),廢氣(qi)排放設(she)(she)備用(yong)(yong)(yong)(yong)(yong)(yong)(yong),洗(xi)(xi)刷塔,無(wu)塵室,半導(dao)體(ti)廠及其(qi)相(xiang)關(guan)工(gong)(gong)(gong)業(ye)之設(she)(she)備和機(ji)器(qi),食物(wu)機(ji)械及斬板(ban)(ban),電(dian)鍍工(gong)(gong)(gong)藝,玩具(ju)(ju)(ju)部(bu)件,牙醫用(yong)(yong)(yong)(yong)(yong)(yong)(yong)導(dao)管(guan)(guan)(guan),廣(guang)泛(fan)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)于(yu)(yu)化工(gong)(gong)(gong),機(ji)械,電(dian)器(qi)及電(dian)子工(gong)(gong)(gong)業(ye)等規劃材(cai)(cai)(cai)料. 尺度(du)(du)： 板(ban)(ban)材(cai)(cai)(cai)：厚(hou)x寬x長(chang)=2 pp板(ban)(ban)材(cai)(cai)(cai)具(ju)(ju)(ju)有(you)強(qiang)度(du)(du)高(gao)、耐(nai)(nai)溫、防(fang)腐功(gong)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)好(hao)、可(ke)進行填充、增強(qiang)、增韌、增剛、阻燃、改性(xing)(xing)(xing)(xing),表(biao)面(mian)可(ke)壓花、磨砂. pp塑料板(ban)(ban)特(te)征耐(nai)(nai)熱(re)性(xing)(xing)(xing)(xing)好(hao)、電(dian)絕緣(yuan)功(gong)用(yong)(yong)(yong)(yong)(yong)(yong)(yong)可(ke)靠、無(wu)毒、機(ji)械強(qiang)度(du)(du)高(gao)，具(ju)(ju)(ju)有(you)很好(hao)的化學不亂性(xing)(xing)(xing)(xing)。設(she)(she)備便當(dang)，聯接(jie)可(ke)靠。