Injection Molding Parts Custom Plastic

Injection Molding Parts Custom Plastic: Rainbowmold is a specialist manufacturer of custom plastic injection mold for global OEM/ODM buyers. Our capability covers multi-cavity and family molds, insert/LSR molding, conformal cooling, produced in P20, P2006, H13 and 718H mold steels to tight tolerances. Backed by 20+ years of experience, ISO 9001 and ISO 14001 quality systems, and compliance with ANSI, ASME, DIN, BS, GB, ISO and JIS, we deliver from rapid prototype and tooling through mass production with DFM support and door-to-door logistics. Send us your drawing or sample for engineering feedback and a fast, competitive quote.

Mixed-Material Family Mount Mold

Balanced-Runner Family Housing Mold 

32-Cavity Micro Nozzle Mold

Steel-Insert Threaded Bushing Mold

Medical-Grade LSR Valve Membrane Mold

Medical-Grade PP Filter Housing

Injection Molding Parts Custom Plastic: Rainbowmold supplies the Injection Molding Parts Custom Plastic together with the matching injection tooling, engineering single- and multi-cavity molds with hot-runner or cold-runner systems, conformal cooling and optimized gating for cycle-time and part-quality targets. mold steels include P20, 718H, H13, NAK80 and S136 hardened to the required HRC; with a typical tool life of 300,000 to 1,000,000 shots. DFM and Moldflow analysis are provided before cutting steel, and CNC, EDM and wire-cut machining with SPI-standard polishing hold cavity accuracy. Dimensional part tolerance can reach +/-0.01mm. Production serves automotive, medical device, consumer electronics and home-appliance programs, and all work is run under an ISO 9001 / ISO 14001 quality system. Send us your 3D STEP or IGES model for a free DFM report and mold quotation within 24-48 hours.