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HDPE钢带增强聚乙烯波纹管的内壁出现裂缝如何处理？

2025-03-14 11:34:07

推荐回答（2个）

回答1：

找厂家补，一般都是质量问题，厂家无条件修补，厂家不管直接做第三方检测，十个里有八个不合格。

回答2：

双壁波纹管是d200-800，环刚度有sn4和sn8；钢带管是d300-2400，环刚度有sn8，12.5，16；钢带管质量要比双壁波纹管质量好的多，当然价格也稍高，本人专业厂家

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