... plastic material " ----Phil. Canada....Spare parts Steel information for your reference: AISIDINSTEEL NAMEHARDNESSHEATBTREATMENTUSE10401.1730ASSAB76013-18HRC/plastic mold base,ejector plate,support ... 2316ESRBeCu/mold max40-42 HRC/good for cooling After sales services:Spare parts offering, like: spring, ejector pins.Mould maintenance as ...