This standard specifies how to determine the molding shrinkage in the directions parallel and perpendicular to the flow direction of the molten resin, as well as the post-shrinkage, for injection molded test pieces of thermoplastic plastic materials. …
JIS K 7152-4:2006 history
2006JIS K 7152-4:2006 Plastics -- Injection moulding of test specimens of thermoplastic materials -- Part 4: Determination of moulding shrinkage
2001JIS K 7152-4:2001 Plastics -- Injection moulding of test specimens of thermoplastic materials -- Part 4: Determination of moulding shrinkage