Top 10 Silicone Injection Molding Companies in the World

Choosing a Silicone Injection Molding Company

Silicone injection molding is the core process for high-precision, high-volume silicone parts — from seals and gaskets to overmolded components. The right injection molding company determines your part quality, unit cost, and how smoothly a project moves from prototype to production.

What to Evaluate in a Silicone Injection Molding Partner

LSR Injection Molding

Liquid silicone rubber (LSR) injection molding delivers tight tolerances and fast cycle times at volume. Confirm the company's experience with multi-cavity molds and their ability to hold consistency across a production run.

Silicone Overmolding

Many products bond silicone to plastic, metal, or FPC. Ask whether the company has proven overmolding capability and can manage adhesion, tolerance, and sealing requirements.

Tooling and DFM

Tooling decides part quality and unit cost. A good partner provides a DFM (design for manufacturability) review before cutting steel — flagging draft angles, undercuts, wall thickness, and gate placement.

OEM / ODM

If you have drawings, the company should quote from your files. If you only have a concept or sample, they should help with measurement and design.

Questions to Ask Before You Commit

• Can you provide a DFM report before tooling?
• What is your sample lead time and mass-production lead time?
• Do you have experience in my industry — medical, automotive, or consumer electronics?
• Can you take a project from prototype through mass production?

SiliconePlus Manufacturing Capabilities

SiliconePlus specializes in LSR injection molding and silicone overmolding over plastic, metal and FPC, plus precision silicone parts and sealing components. We support OEM/ODM projects with tooling and DFM, from prototype to mass production. Send your drawing or 3D file for a DFM report and a quote.