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Liquid Silicone Rubber Overmolding Manufacturer Custom LSR Silicone Rubber Parts Factory

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Categories	Automotive Silicone Overmolding
Trademark/Brand	SiliconePlus \| Silicone OverMolding Manufacturing
Brand Name	Siliconeplus
Place of Origin	Shenzhen, China
Material	Silicone
Application	Automotive
Feature	Dustproof
Sampling	3-5 days
Processing Service	Moulding
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Update Time	Jan 15,2026

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Detail Information

Introduction：

Liquid Silicone Rubber (LSR) overmolding is an advanced manufacturing process that combines the flexibility

sealing performance of silicone rubber with rigid substrates such as plastics or metals. As a professional silicone overmolding manufacturer, Siliconeplus.net provides custom LSR overmolding solutions designed to meet the high-performance and regulatory demands of medical, food, automotive, electronics, and industrial B2B applications.

LSR overmolding involves injecting platinum-cured liquid silicone rubber directly onto pre-molded components

,forming a permanent chemical or mechanical bond. This process eliminates secondary assembly steps, improves product reliability, and delivers seamless, burr-free silicone rubber parts. Compared with traditional assembly or adhesive bonding, liquid silicone overmolding ensures superior waterproofing, insulation, and long-term durability.

From a material perspective, liquid silicone rubber offers outstanding thermal stability

maintaining elasticity and mechanical strength across a wide temperature range from -60°C to over 230°C. It is resistant to UV radiation, ozone, aging, and aggressive chemicals, making LSR overmolded components ideal for harsh operating environments and repeated sterilization. These characteristics are especially critical for medical devices, food-contact equipment, and outdoor or industrial electronics.

Regulatory compliance is a core concern for global B2B buyers.

Siliconeplus utilizes FDA- and LFGB-compliant silicone raw materials and supports REACH and RoHS requirements. Our controlled production processes enable cleanroom manufacturing, precision molding, and stable mass production, ensuring every silicone overmolded component meets international safety and quality standards.

Customization capability is one of the key advantages of our silicone overmolding services.

Our engineering team supports customers from early-stage design and material selection to tooling development, prototyping, and large-scale manufacturing. We optimize silicone hardness, adhesion performance, sealing geometry, and part integration to match specific application requirements. Whether you need soft-touch grips, waterproof seals, vibration-damping components, or electrically insulated housings, we deliver scalable OEM and ODM silicone overmolding solutions.

By choosing Siliconeplus as your liquid silicone rubber overmolding partner, you gain access to advanced LSR injection equipment, in-house mold tooling, and a mature quality management system. We help B2B customers reduce assembly costs, improve product performance, and accelerate time-to-market through reliable and cost-effective silicone overmolding manufacturing.