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Seven Silicone Manufacturing Methods, In-House Since 2005

Compression molding, LSR injection, extrusion, overmolding, die-cutting, CNC tooling, and prototyping, all in-house at our 15,000 m² Dongguan facility, ISO 9001, ISO 14001, ISO 45001 certified since 2005. The method gets matched to the part: tolerance, volume, and material grade decide the process.

 
  • Manufacturing since 2005, 15,000 m² Dongguan facility
  • ISO 9001, ISO 14001, ISO 45001 certified
  • DFM review within 24 hours

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Overmolded silicone products
Silicone grommets
Silicone straws

Silicone Manufacturing Capabilities

Every stage of silicone product manufacturing happens in-house: material testing on receipt, Shore A hardness checked per ASTM D2240 on every finished batch, and DFM review before tooling starts. Each method below covers the process, its strengths, and what it's best suited for. For method-specific specs and quotes, use the linked pages below.

Compression Molding

  • Process: Place silicone preforms in heated molds, compress, and cure.
  • Benefits: Cost-effective tooling, flexible designs, supports many silicone grades.
  • Best For: Medium-volume runs, gaskets, seals, complex shapes, ±0.2 mm precision.

Liquid Silicone Injection Molding

  • Process: Inject liquid silicone into closed molds under high pressure for fast, repeatable production.
  • Advantages: High precision, consistent quality, scalable, suitable for cleanroom and medical uses.
  • Applications: Micro-components, medical devices, small to large volume parts.

CNC Tooling for Silicone

  • Enables high-precision molds for compression and injection molding.
  • Fast turnaround, repeatable ±0.02 mm accuracy, cost-effective tool modifications.
  • Supports custom tooling, rapid iterations, and DFM collaboration.

Custom Die Cutting

  • Uses precision dies to cut silicone sheets into 2D shapes or gaskets.
  • High accuracy, scalable for large volumes, low material waste.
  • Ideal for seals, electrodes, diagnostic pads, and medical interfaces.

Silicone Extrusion

  • Process: Uncured silicone is pushed through a precision die, then cured into fixed profiles.
  • Common Products: Tubing, cords, gaskets, window and door seals.
  • Industry Use: HVAC, automotive, cleanroom, food-grade applications.

Silicone Overmolding

  • Process: Mold silicone onto or around another material for strong bonds and sealing.
  • Best For: Bungs, lab device handles, electronics encapsulation, wearables.

Prototyping & Design for Manufacturability (DFM)

  • Capabilities: Functional prototypes, mold trials, performance validation.
  • Approach: Collaborative engineering, rapid iteration, seamless transition to production.