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聚氨酯泡沫是否发满，有任何质量问题以便直接检验

作者：　来源：　日期：2018-09-29 10:58:22

聚(ju)(ju)氨(an)酯(zhi)(zhi)泡(pao)沫(mo)(mo)是(shi)(shi)否发(fa)满，有(you)任(ren)何(he)质(zhi)(zhi)(zhi)量问题以便直(zhi)(zhi)接检验(yan)。第三层(ceng)(ceng)：玻(bo)璃(li)钢(gang)保(bao)护层(ceng)(ceng)用(yong)(yong)机(ji)械湿法缠绕研发(fa)设计而(er)(er)(er)成(cheng)(cheng)(cheng)。其(qi)作用(yong)(yong)一个(ge)方面保(bao)护聚(ju)(ju)氨(an)酯(zhi)(zhi)保(bao)温(wen)层(ceng)(ceng)免遭(zao)机(ji)械硬物破坏(huai)，二是(shi)(shi)防腐防水，它(ta)的(de)(de)耐气候性(xing)(xing)，耐酸性(xing)(xing)，耐海水性(xing)(xing)较好(hao)，不过，树脂(zhi)必须(xu)用(yong)(yong)306#，191#，196#等刚性(xing)(xing)和半刚性(xing)(xing)不饱和树脂(zhi)。第二层(ceng)(ceng)：聚(ju)(ju)氨(an)酯(zhi)(zhi)保(bao)温(wen)层(ceng)(ceng)玻(bo)璃(li)纤(xian)维(wei)(wei)及(ji)布(bu)必须(xu)用(yong)(yong)白(bai)金钳埚或(huo)池窑拉丝(si)而(er)(er)(er)成(cheng)(cheng)(cheng)的(de)(de)中低碱纤(xian)维(wei)(wei)纱，不允许使(shi)用(yong)(yong)土埚拉丝(si)而(er)(er)(er)成(cheng)(cheng)(cheng)的(de)(de)含碱量较高的(de)(de)纤(xian)维(wei)(wei)纱，以确(que)保(bao)产品质(zhi)(zhi)(zhi)量1，蒸气直(zhi)(zhi)埋(mai)保(bao)温(wen)管(guan)(guan)(guan)接口处的(de)(de)结(jie)构(gou)与管(guan)(guan)(guan)网的(de)(de)直(zhi)(zhi)管(guan)(guan)(guan)段结(jie)构(gou)应相同(tong)。，工(gong)作钢(gang)管(guan)(guan)(guan)的(de)(de)保(bao)温(wen)层(ceng)(ceng)选用(yong)(yong)优质(zhi)(zhi)(zhi)保(bao)温(wen)材(cai)料，保(bao)温(wen)效果好(hao)。5，工(gong)作钢(gang)管(guan)(guan)(guan)保(bao)温(wen)层(ceng)(ceng)与外套钢(gang)管(guan)(guan)(guan)之(zhi)间留有(you) 10~ 20mm 左右的(de)(de)间隙，既(ji)可直(zhi)(zhi)到进(jin)一步(bu)保(bao)温(wen)跟功能。又是(shi)(shi)直(zhi)(zhi)埋(mai)管(guan)(guan)(guan)道极为通畅的(de)(de)排潮通道，使(shi)排潮管(guan)(guan)(guan)真(zhen)正(zheng)起(qi)到及(ji)时排潮与用(yong)(yong)处，同(tong)时起(qi)到信号管(guan)(guan)(guan)跟特(te)质(zhi)(zhi)(zhi)；或(huo)将其(qi)抽成(cheng)(cheng)(cheng)低真(zhen)空，可更有(you)效地保(bao)温(wen)并环比降低外套管(guan)(guan)(guan)内壁腐蚀。硬质(zhi)(zhi)(zhi)聚(ju)(ju)氨(an)酯(zhi)(zhi)泡(pao)沫(mo)(mo)保(bao)温(wen)钢(gang)管(guan)(guan)(guan)用(yong)(yong)高压(ya)发(fa)泡(pao)机(ji)在钢(gang)管(guan)(guan)(guan)于(yu)特(te)制钢(gang)模具(ju)之(zhi)间形成(cheng)(cheng)(cheng)的(de)(de)空腔(qiang)中注入硬质(zhi)(zhi)(zhi)聚(ju)(ju)氨(an)酯(zhi)(zhi)泡(pao)沫(mo)(mo)塑料原(yuan)液而(er)(er)(er)成(cheng)(cheng)(cheng)。即(ji)俗称的(de)(de)“模具(ju)发(fa)泡(pao)工(gong)艺”。

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