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Kenplas Forum ==> Resin & Additives ==> Shrinkage on PET product
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Dear Sir, Mdm
I have an injection molded product with PET material used. It is shaped like a water pipe with thick walls about 7mm. Total legth for the Pipe is about 120 mm. I am having a problem in controlling the shrinkage, the part will shrink on the dimension & have many BAD sink mark on the internal wall. Any suggestion on controlling the shrinkages. Thank You.


Regards
Andrew

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 7/24/2009 8:50:33 AM By andrew
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