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既然都是以聚乙烯为原料生产的 外形也差不多 那怎么进行区分呢？

答案就是pe管上的线 根据承压 耐腐蚀等等因素可以把这些相似的管材

DIGUANDAISHUQUANGUANDAOSHUSHUIHEJUBUWEILIANGGUANGAI，SHISHUIFENDESHENLOUHESUNSHIJIANXIAO。TONGSHI，YOUYOUYUNENGZUODAOSHISHIDIGONGYINGZUOWUGENQUSUOXUSHUIFEN，BUCUNZAIWAIWEISHUIDESUNSHIWENTI，YOUSHISHUIDELIYONGXIAOLVDADATI GAO。

PE管具有良好的稳定性与阻老化性，在正常的工作温度与压力状况下，使用寿命可保 证50年以上。管道本身的健康是饮用水健康的基本，PE管低温脆化温度 低，可在-60℃-60℃范围内安全使用，对管基不均匀沉降具有非 常强的适应能力。

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QIANGDU：DIGUANGUANZAIGUIDINGSHIJIANNEIPENSAZAINONGTIANSHANGDESHUILIANG，YIBANPENGUANQIANGDUHETURANGDEXISHUINENGLICHABUDUO。

HDPEGUANKANGCHONGJIQIANGDUGAO，SHIPVC-UGUANDE5BEI。HDPEGUANNAIDIWENXINGNENGHAO、DIWENCUIHUAWENDUKEDA—70℃。

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