Precision LSR Overmolding &
Injection Molding Solutions

Custom-engineered liquid silicone rubber products for medical, industrial, and consumer applications. ISO 9001 certified manufacturing from China with global delivery and full customization.

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15+ Years

Industry Experience

ISO 9001

Quality Certified

Global

Shipping & Support

Trusted LSR Manufacturer from China

Xiamen OTI Electronic Industry Co., Ltd. is a leading manufacturer of LSR overmolding and injection molding products. With a strong focus on quality, innovation, and customer satisfaction, we deliver high-performance silicone solutions for medical devices, electronics, infant care, and industrial applications.

Our advanced production lines, strict quality control, and experienced engineering team ensure every product meets international standards including FDA and medical-grade certifications.

Custom LSR Molding & Overmolding Services
Medical-Grade & Autoclavable Silicone
From Prototyping to Mass Production

Premium LSR Silicone Products

Custom-designed liquid silicone rubber components for medical, electronic, and industrial applications. All products are manufactured under strict quality control and available in various Shore hardness levels.

Custom Medical Silicone Mask

Water-resistant overmolded design, adjustable straps, medical-grade LSR material.

• Shore A 30-80 hardness
• FDA & ISO 10993 compliant
• Reusable & autoclavable

LSR Duckbill Medical Valve

Precision injection molded for resuscitators and breathing devices.

• 100% pure silicone
• Crack-resistant design
• Custom sizes available

Silicone Rubber Keypad

Conductive carbon ink, epoxy coating, backlight-ready for electronics.

• 30-80 Shore A
• 10M+ cycle life
• IP67 sealing

Medical Head Harness

Transparent, adjustable straps for CPAP and anesthesia masks.

• Shore A 40-90
• Latex-free & hypoallergenic
• Custom colors

LSR Overmolded Seal

For plastic tubing and medical device sealing applications.

• Chemical & heat resistant
• Tight tolerance molding
• ISO 9001 certified

Silicone Corrugated Tube

Medical-grade bellow hose, 0.6mm–50mm OD, flexible & kink-resistant.

• 30-80 Shore A
• FDA compliant
• Custom lengths

LSR Cross Slit Valve

Injection molded for precise fluid control in medical devices.

• Leak-proof design
• Reusable & autoclavable
• OEM/ODM supported

Silicone Shower Nozzle

Water-saving, anti-clog design for bathroom fixtures.

• Durable & flexible
• Easy installation
• Custom shapes

View All 150+ Products

Why Choose LSR Overmolding?

Medical Grade

FDA, ISO 10993, and USP Class VI compliant materials for critical applications.

Custom Design

From 2D drawings to 3D prototypes, we support full customization and tooling.

Quality Control

ISO 9001 certified processes with in-house testing and inspection.

Fast Turnaround

Rapid prototyping and scalable production with global shipping.

Frequently Asked Questions

What is LSR overmolding?

Liquid Silicone Rubber (LSR) overmolding is a two-shot injection process where silicone is molded over a rigid substrate (plastic or metal) to create a sealed, ergonomic, or functional component. Commonly used in medical devices, electronics, and consumer products.

Are your products medical-grade?

Yes, we manufacture medical-grade silicone products compliant with FDA, ISO 10993, and USP Class VI standards. Our materials are suitable for skin contact and repeated sterilization.

What is the minimum order quantity (MOQ)?

MOQ varies by product complexity and tooling. For standard items, MOQ starts at 500 pcs. For custom designs, we offer prototyping and low-volume production options.

Can you assist with design and tooling?

Absolutely. Our engineering team provides full support from concept to production, including 3D modeling, DFM analysis, mold design, and validation.

Ready to Start Your Project?

Visit Official Website to Contact

Manufactured by: Xiamen OTI Electronic Industry Co., Ltd.

Tel: 18950122603 | Email: wendy@otixm.cn

Address: 3701-10, Xiang'an North Road, Xiamen, Fujian, China

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Precision LSR Overmolding &Injection Molding Solutions