UPVC U Trap Pipe Fitting Injection MouldMould name: UPVC U Trap Pipe Fitting Injection MouldCavity:  1 cavitiesMould size:110mMould steel:Germany2316 china2316 or4cr13 for the cavity and coreGate :direct gatemould structure: Oil cylinderHardness of core/cavity: HRC 40-45°degree after vaccum heat treatmentInjection moulding machine:  380TFollowing is the main information for your reference. Key points of PVC U-bending mold design and manufacturingCore pulling mechanism design: This is the core technology of U-bend molds. How to smoothly remove the curved core and lateral slider f...