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Shrinkage allowance and Plastic

Question asked by Maha Nadarasa on Jul 26, 2018
Latest reply on Jul 27, 2018 by Maha Nadarasa

Suppose if this is a hot plastic material. When it’s cool down shrinking can take place in two opposite direction. Is it correct to say hole size will increase in this case? 


I was given shrinkage allowance for this plastic material is 0.1~0.2 inch.