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style="font-size:14px;"><span style="line-height:2;">2.“闻”有无色,无味。pp管路重要原料是聚丙烯pp,好的管材沒有异味,差的则异呡重,很可能是掺和了高密度聚乙烯,不是聚丙烯pp?br /> 3.“捏”pp管路具有十分的抗压强度,随便可以搓成变形的管,不容置疑并并不是pp管路?br /> 4.“砸”好的pp管路,“回弹性”好,太很容易砸碎自然并并不是好的pp管路。但抗压强度强并不意味着可塑性好,对怎样都砸不碎的pp管路A消费者就必须空出疑虑了。因为有一些不法生产商依据加上过多碳酸钙等沉渣来提高管材的抗压强度,那般的有效久了很容易造成脆裂?br /> 5.“烧”点火一烧,很具象化也很有效。原料中混和了回收塑料和其他沉渣的pp管路会冒排汽管冒排气管冒黑烟,有呛鼻子味?好的原材料引燃后不仅不ɘ冒排汽管冒排气管冒黑烟、无艡Dz,无味,引燃后,熔出的液体依然很清理?br /> 6.pp管路件手感柔和,伪pp管路手感光滑L?br /> </span></span></p> </div> <div class="newArtiNext mt10"><div>上一?<a href="348.html">FRPP管道特别要注意防火方面安全事项!</a></div> <div>下一?<a href="/sh17i7/news/346.html">PE管道热熔接的规定及质量检?/a></div> </div> <div class="tag">相关标签?a href='/key.aspx?k=pp%b9%dc%b5%c0'>pp管道</a>,</div> <div class="crumb mt15"> <span class="fl font_w fb fs22">相关新闻<b class="fs14 fn font_i ml5">RELATED NEWS</b></span> </div> <div class="insNews1 clearfix pt10 fs14 font_w"> <ul> <li><a href="/sh17i7/news/351.html"> FRPP管道主要应用领域和特?/a><span>2021-07-06</span></li> <li><a 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