Coking –Technical Problem of Fiberglass Compression Molding

Condition Description Reasons Solution
Condition 1: The surface areas which are incompletely filled is dark brown or black Trapped air and Styrene vapor are compressed to raise the temperature to the ignition point. To improve the feeding method so that the air flows out with the raw material, and no trapping occurs. If brown spots appear in the blind holes, you can use the three-half mold structure or use the ejector pin to exhaust air
Project:
Comparison of Applicability for process of Fiberglass Hand Lay Up,RTM and Compression Molding(SMC/BMC)

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Overview and main raw materials of short fiber moldings

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Why do Resins cure quickly in barrels,but slowly after pasting fabric?

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