2024-03-26 13:42:33 评论： 点击：
The processing methods for 3PE anti-corrosion steel pipes are generally divided into two types: winding and circular mold wrapping. The standards for 3PE anti-corrosion steel pipes mainly focus on specification polyethylene and high-density polyethylene, and the Vicat softening point is set to not less than 110 ℃; The thickness of the outer anti-corrosion layer of 3PE anti-corrosion steel pipes is determined based on the standard of low and medium density polyethylene. Greatly improved the impact strength of the 3PE anti-corrosion coating.
3PE防腐钢管加工方式一般分缠绕式和圆模包覆式两种，3PE防腐钢管的标准主要以规范聚乙烯与高密度聚乙烯为主，维卡软化点定为不小于110℃；3PE防腐钢管外防腐层的厚度按以低、中密度聚乙烯为主的标准来确定。极大地提高了3PE防腐层的抗冲击强度。并将3PE防腐钢管的剥离强度、抗冲击的指标大幅提高。而且标准明确规定了一些专用料炭黑含量，保证了3PE防腐钢管的机械强度和耐候性能，并加大了补口剥离强度（即热缩套、热缩带对底漆钢的剥离强度）抽测频次。
冀公网安备13092102000247号
