BS EN ISO 294-4:2019 pdf free.Plastics - Injection moulding of test specimens of thermoplastic materials. BS EN ISO 294-4 This document specifies a method of determining the moulding shrinkage and post-moulding shrinkage of injection-moulded test specimens of thermoplastic material in the directions parallel to and normal to the direction of melt flow. For the determination of shrinkage of thermosets, see...