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What is the curing agent

Curing agent is a kind of promotion or control the curing reaction of the substance or mixture. Curing is the result of condensation, closed-loop, addition or catalytic chemical reactions, cause irreversible changes in the thermosetting resin, curing is done by adding curing (cross-linking) agent to complete. Curing agents are essential additives, whether for adhesives, coatings, casting materials are required to add curing agent, or epoxy resin cannot cure. Cured hardener on mechanical properties, heat resistance, water resistance, corrosion resistance, have great influence.
Curing agents category: 1. Basic class 2. Acid 3. additional 4. catalytic-5.-6. lurk 7. Amine 8. anhydride hardener 9. resin class of curing agent.