... molding more than 10 years.General Mold Specifications: Nameplastic storage box injection mouldmould materialP20,H718,H13,80# ,2738, NAK80, S136, SKD61 ... systemIn core baffle cooling and in cavity plate chain drilling type coolingSurface finishDiamond polish, Molding life500,000-1,200,000shotsRunnerCold or ...