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钢塑管的密度性能分析

发布者:admin 时间:2019-10-28 16:40:00

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  钢塑管但采取这些措施并不能完全杜绝涂层脱落问题,镀锌钢管和焊接钢管在加热炉中加热,由于镀锌钢管外表多了一层镀锌层,同时镀锌层对热有反射作用,再加上镀锌层提高了钢管外表光洁度,减少了热量的吸收,因此以镀锌钢管作为基管的涂塑钢管涂层效果不如以焊接钢管作为基管的添加剂中有掺加粘合剂的不良做法,据业内行家透露,塑料粉末中掺和了某种粘合剂,复合工艺后能将涂层牢固地粘合在钢管壁上,测试时,附着力指标能完全合格,但粘合剂有有效期,有效期一过(一般也就三个月)涂层会脱落,会堵塞水流通道造成事故,后果严重,结果是造成声誉日下,逐渐被衬塑钢管所取代,因此要真正解决的质量问题,要依靠品牌,杜绝伪劣产品,才干使用户放心,才干使立于不败之地,并最终取代镀锌钢管的位置。