Polyamide Curing Agents are vegetable oils and ethylene amines dimer acid synthesis, the curing agent and epoxy resin should be Medium has the following advantages: at room tempeature, it has good curing properties; it has good adhesion, easy to peel off, with good bending properties and excellent resistance to impact resistance; it has excellent insulting properties; it has wider range epoxy resin easy to operate, a mixture of it has long operate period; polyamide curing agent of low toxicity, can be applied to a number of health protection, food applications.