Plastic shrinkage Daquan

Soft PE shrink - 2.5% a note with the different flow direction and transverse shrinkage, process effects.Abstract...Articles section What is a plastic "shrinkage"? Commonly used plastic shrinkage rate?
Shrinkage refers to the plastic solidified by cooling after forming mold, and its original size and the percentage error between the size of the mold, to follow measured by ASTM D955 method. Plastic mold design taking into consideration the shrinkage, so as to avoid errors in product size, resulting in poor product. Below are a few commonly used plastic materials of shrinkage compared.
Plastic molding temperature, mold temperature and injection molding process, plastic shrinkage is generally

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          Peter Huang