The curing agent has a great influence on the performance of the epoxy resin, and is generally selected according to the following points.
(1), from the performance requirements: some require high temperature resistance, some require good flexibility, and some require good corrosion resistance, then choose the appropriate curing agent according to different requirements.
(2), from the curing method: some products can not be heated, you can not choose a heat curing curing agent.
(3), from the application period: the so-called applicable period, refers to the time when the epoxy resin is added to the curing agent from the time when it can not be used. For long-term application, acid anhydrides or latent curing agents are generally used.
(4), from the choice of safety: generally requires less toxicity, easy to safe production.
(5), choose from the cost.
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