• Problems like difficulty for epoxy firming agent of low-molecular amine to be inter-connected and firmed in water or at lower temperatures have been solved.

    解决低分子胺类环氧固化剂无法水中低温环境中交联固化的问题

    youdao

  • The hole sealing agent has the advantages of simple construction, low difficulty to master, good sealing effect, safe use and low cost, etc.

    发明具有施工简单、易于掌握封堵效果使用安全优点成本低廉

    youdao

  • The hole sealing agent has the advantages of simple construction, low difficulty to master, good sealing effect, safe use and low cost, etc.

    发明具有施工简单、易于掌握封堵效果使用安全优点成本低廉

    youdao

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