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歡迎來到鹽山昱通螺旋鋼管實體生產企業!

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昱通管道

鹽山昱通管道

專業生產銷售大口徑厚壁國標螺旋鋼管,廠內加工防腐/保溫/涂塑

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自來水管道用防腐螺旋鋼管廠家報價

日期:2021-02-03

普通環氧煤瀝青防腐鋼管測定附著力的方法有:劃圈法、劃格法、拉開法、扭開法及美國ASTM中的劃X法等數種,標準標準GB1720(79)規定了劃圈法測定漆膜附著力的方法,而GB9286規定了采用劃格法測定附著力,GB5210-85規定了采用拉開法測定涂層附著力的方法。其中應用簡便的是劃圈法測定漆膜附著力,現場為常用的是劃格法。

自來水管道用防腐螺旋鋼管廠家報價

環氧煤瀝青防腐鋼管的防腐效果受影響的因素無非以下幾種因素,鋼管表面處理不合格沒有達到除銹等級Sa2級,涂料與鋼管達不到有效的粘結就起不到防腐的效果。涂料的配比不合格,造成環氧煤瀝青防腐鋼管防腐厚度過于薄,容易出現表皮脫落。玻璃纖維布起泡,質量較差的玻璃纖維布里面的含蠟含堿量不合格外。

自從我過引入環氧煤瀝青防腐鋼管之后,環氧煤瀝青防腐鋼管廠家就在不斷的增進自己的技術,不斷的培訓一批又一批的技術人才,但現如今我國環氧煤瀝青防腐鋼管行業仍存在一些問題,還需要人們不斷的研究,探索。

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