Plastic Injection Over‑Moulding Technical Details

At Keyflex, we are specialists in over‑moulding and multi‑shot injection moulding, delivering advanced solutions for complex product designs. With decades of expertise, our engineering team provides customised sealing solutions and solves challenging technical requirements across industries including electronics, automotive, medical, and consumer products.

Over‑Moulding Capabilities

• We offer a wide range of plastic over‑moulding technologies, including:

• Plastic over‑moulding with plastic for durable multi‑material components
• Soft plastic over‑moulding or multi‑shot injection moulding for ergonomic designs

• Silicone rubber over‑moulding for flexibility and sealing performance
• Silicone rubber and plastic over‑moulding for hybrid applications
• Soft and hard plastic over‑moulding with metal parts for strength and precision
• Soft plastic or silicone rubber over‑moulding with electronic components for insulation and protection

• Plastic over‑moulding with silicone rubber seals for enhanced sealing and reliability

• Our in‑house tooling team can design and manufacture moulds tailored to over‑moulding and multi‑shot injection processes, ensuring precision and efficiency.

Materials & Expertise

• With 30 years of experience in mould design and manufacturing, Keyflex produces:

• Plastic over‑moulding injection moulds

• Silicone rubber over‑moulding moulds

• Liquid Silicone Rubber (LSR) over‑moulding injection moulds

• This expertise allows us to deliver tight tolerances, high‑quality finishes, and long‑lasting mould performance.