Warm Global Customers
With China Plastic Machinery
With China Plastic Machinery
Thermosetting plastic curing refers to the process in which thermosetting plastics are kept at the molding temperature for a certain period of time, and the condensation reaction of the resin reaches a certain degree of cross-linking, so that the product has the required physical and mechanical properties. The curing rate of the material in the mold cavity depends on factors such as the type of plastic product thickness, material form, mold strength, and the preheating temperature of the material. The molding process of thermosetting plastics mainly includes feeding, mold closing, venting, curing, demolding and cleaning the mold. If the product has inserts, the inserts should be placed before adding materials.
The final degree of curing should be complete hardening. Over-maturity or under-maturity is not good for the performance of the product. For materials with low hardening rates, in order to improve equipment utilization, demolding is carried out after curing in the mold cavity to have sufficient rigidity. The demolded parts are fully hardened through post-baking.
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