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.
解决了低分子胺类环氧固化剂无法在水中、低温环境中交联固化的问题。
The hole sealing agent has the advantages of simple construction, low difficulty to master, good sealing effect, safe use and low cost, etc.
本发明具有施工简单、易于掌握、封堵效果好、使用安全等优点，且成本低廉。
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