一(yi)米直徑PP管(guan)，大口徑PP管(guan)。PP交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)改性是提(ti)(ti)高(gao)熱變形溫度的有(you)效方法，也能(neng)提(ti)(ti)高(gao)力學(xue)(xue)性能(neng)，交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)改性主要(yao)有(you)輻(fu)(fu)射(she)(she)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)法和(he)化(hua)學(xue)(xue)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)法。輻(fu)(fu)射(she)(she)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)是在高(gao)能(neng)射(she)(she)線的作用下(xia)聚分(fen)子鏈產(chan)生自(zi)由基(ji)進而進行交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)反(fan)(fan)應。化(hua)學(xue)(xue)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)一(yi)般(ban)是在PP中加入過氧化(hua)物作為(wei)引發劑(ji)，同時(shi)加入助(zhu)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)劑(ji)實現交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)反(fan)(fan)應。聚的交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)改中降解和(he)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)反(fan)(fan)應同時(shi)存在，采用輻(fu)(fu)射(she)(she)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)時(shi)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)效率比(bi)較低，而采用化(hua)學(xue)(xue)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)時(shi)一(yi)般(ban)都是通過加入帶有(you)不飽和(he)鍵的助(zhu)交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)體(ti)系促(cu)進交(jiao)(jiao)聯(lian)(lian)(lian)(lian)(lian)反(fan)(fan)應。

塑(su)料(liao)耐酸(suan)罐子(zi)，塑(su)料(liao)防腐罐，PP內(nei)螺紋接(jie)頭(tou)價格，塑(su)料(liao)耐酸(suan)堿(jian)儲(chu)罐。塑(su)料(liao)材(cai)質產品多種多樣：塑(su)料(liao)管道，塑(su)料(liao)管件，PP內(nei)螺紋接(jie)頭(tou)承(cheng)插(cha)內(nei)絲，塑(su)料(liao)閥門，塑(su)料(liao)儲(chu)罐等(deng)。塑(su)料(liao)管壓力(li)試(shi)驗(yan)機(ji)安裝與使用：1min后(hou)記下(xia)百分表讀數(shu)，該數(shu)值就是試(shi)樣外(wai)徑D1與壓扁處的外(wai)徑D2之差，不應大于(yu)D2的25%。松開(kai)緊固螺釘，使調(diao)節桿落下(xia)，然后(hou)松開(kai)回油閥桿，使升降平(ping)降平(ping)板緩慢(man)下(xia)降，由于(yu)千(qian)斤(jin)頂阻(zu)尼作用。可能(neng)需用手向(xiang)下(xia)按一(yi)下(xia)平(ping)板，方可降至(zhi)低點。

PP棒材(cai)，PP塑料棒材(cai)，PP內螺(luo)紋(wen)接頭(tou)，PP白色棒材(cai)屬于(yu)(yu)(yu)塑料制品。我(wo)國塑料管(guan)(guan)材(cai)的(de)年增長率已達15%，使用(yong)范圍(wei)越(yue)來越(yue)廣。我(wo)國已經(jing)能夠較好地生(sheng)產建(jian)筑用(yong)小口徑塑料管(guan)(guan)材(cai)，代(dai)替鋼管(guan)(guan)、鑄鐵管(guan)(guan)等(deng)傳統管(guan)(guan)材(cai)用(yong)于(yu)(yu)(yu)建(jian)筑排(pai)水、電(dian)信電(dian)纜、光纜護(hu)套等(deng)領域(yu)，但(dan)在生(sheng)產技術要求高的(de)供(gong)水管(guan)(guan)、燃氣管(guan)(guan)以及(ji)用(yong)于(yu)(yu)(yu)市(shi)政工程、交通預埋、能源(yuan)輸送(song)等(deng)方(fang)面的(de)管(guan)(guan)材(cai)尚處于(yu)(yu)(yu)啟動階段。