Technical Problem 2 from Fiberglass Compression Molding-Coking
Description:The surface areas of fiberglass parts which are incompletely filled is dark brown or black.
Condition:Trapped air and Styrene vapor are compressed to raise the temperature to the ignition point.
Solution: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.
More information please check: http://www.olimyfiberglass.com/
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