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Two-shot Mould

Two-Shot Mould Manufacturing for Multi-Material Plastic Parts

UTTMould designs and manufactures two-shot moulds for plastic parts that need two colors, two materials or integrated soft-touch and hard-plastic features in one molding process. Two-shot molding can improve appearance, reduce secondary assembly and support more stable production for parts that would otherwise require separate molding and manual assembly.

Our two-shot mold experience supports automotive components, electronic housings, handles, buttons, seals, consumer products and functional plastic parts that require material bonding, accurate positioning and repeatable dimensions.

Two-shot mould for multi-material plastic injection molding

Two-Shot Mold Capabilities

CapabilityEngineering FocusCustomer Benefit
Two-color moldingColor separation, gate layout and rotation alignmentImproves product appearance and consistency
Hard-soft material combinationMaterial compatibility, bonding area and shrinkage controlReduces assembly and improves grip or sealing function
Insert and alignment controlFirst-shot part positioning and second-shot overmolding accuracySupports stable repeatable molding
Mold structure designRotary platen, core movement, cooling, ejection and trial adjustmentReduces risk before production

When to Use Two-Shot Molding

  • Parts need two materials or two colors molded into one finished component.
  • The product requires better sealing, grip, appearance or touch feel.
  • Manual assembly cost should be reduced or eliminated.
  • The project requires stable repeatability for medium or high-volume production.

Two-Shot Mold Project Process

  1. Part review: We check material combination, bonding areas, wall thickness, draft and parting line.
  2. DFM and mold concept: Engineers review mold structure, gate plan, rotation or transfer method and ejection.
  3. Mold manufacturing: The mold is machined, fitted and assembled according to approved design.
  4. Mold trial: Trial parts are checked for bonding, appearance, dimensions and molding stability.
  5. Optimization: Mold and process adjustments are made before final approval or production handoff.

Related Services

Two-shot projects often need early mold design and DFM review, accurate plastic mold making, and stable injection molding support. UTTMould can coordinate these steps in one workflow.

Frequently Asked Questions

What is a two-shot mould?

A two-shot mould is an injection mold used to produce a plastic part with two materials or two colors through a coordinated molding process.

Can two-shot molding reduce assembly cost?

Yes. It can combine materials or colors in one molded component, reducing secondary assembly, bonding or manual fitting work.

What information is needed for quotation?

Please send 3D files, 2D drawings, material requirements, annual quantity, color or material combination and surface requirements.

Can UTTMould support two-shot mold design review?

Yes. We can review part design, material compatibility, bonding areas and mold structure before tooling starts.

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