Collapsible Elbow Pipe Fitting MouldMould name: Collapsible Elbow Pipe Fitting MouldCavity: 1 cavitiesMould size:110mmMould steel:Germany2316 china2316 or4cr13 for the cavityGate :direct gatemould structure:Oil cylinderHardness of core/cavity: HRC 40-45°degreeInjection moulding machine: 400 T 1、 Requirements of PVC material characteristics for demolding systemBefore designing a demolding system, it is necessary to understand the unique properties of PVC (especially soft PVC):Poor thermal stability: prone to decomposition at high temperatures, releasing corrosive gases (HCl), therefore re...