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Liquid Silicone Rubber (LSR) Injection Molding

Specialized in high-precision LSR molding for medical, automotive, and consumer products. Our advanced LSR injection molding technology delivers superior quality silicone parts with excellent durability and biocompatibility.

10-14 Days
Typical lead time
40+
LSR material options
±0.05mm
Precision tolerance
LSR Injection Molding

LSR Molding Capabilities

Our state-of-the-art LSR injection molding facility combines advanced automation with precision engineering to deliver exceptional quality and consistency. We specialize in both high-volume production and prototype development.

Technical Specifications

Part Size Range

US:
0.1 in. - 12 in.
Metric:
2.54mm - 305mm
Capable of producing both micro components and large-scale parts

Wall Thickness

US:
0.012 in. - 0.5 in.
Metric:
0.3mm - 12.7mm
Precision control for thin-wall and standard applications

Shot Weight

US:
0.0001 oz - 16 oz
Metric:
0.1g - 453g
Wide range capability for various part sizes

Hardness Range

5 - 80 Shore A
Flexible material options from ultra-soft to firm

Production Volume

Prototype to 1,000,000+ pieces annually
Scalable production capacity

Color Options

Transparent, Translucent, Custom Colors
Full spectrum color matching available

Precision Tolerances

Standard Tolerance:±0.002 in. (0.05mm)
Micro Tolerance:±0.001 in. (0.025mm)

Advanced Features

Multi-cavity Molds

Up to 128 cavities for high-volume production

Insert Molding

Integration of metal inserts and other materials

2-Shot Molding

Combining LSR with thermoplastics

Micro Molding

Ultra-precise components down to 0.1mm

Advanced Equipment

  • Automated LSR Dosing Systems
  • Electric Injection Molding Machines
  • Robotic Part Removal
  • Integrated Quality Control Systems
  • Clean Room Manufacturing
  • Advanced Cooling Systems

Industries Served

Medical & Healthcare
Automotive & Transportation
Consumer Electronics
Industrial Equipment
Aerospace & Defense
Food & Beverage

LSR Material Options

We offer a comprehensive range of medical and industrial grade liquid silicone rubber materials to meet your specific requirements.

Medical Grade LSR

  • Class VI LSR
  • Implant Grade LSR
  • Optically Clear LSR
  • Radiopaque LSR

Industrial Grade LSR

  • High Temperature LSR
  • Flame Retardant LSR
  • Conductive LSR
  • Self-Lubricating LSR

Specialty LSR

  • Food Grade LSR
  • Fluorosilicone LSR
  • UV Resistant LSR
  • Anti-Bacterial LSR

LSR Injection Molding Process

Material Preparation

Precise mixing of LSR components and additives in a controlled environment to ensure optimal material properties.

Cold Runner Technology

Advanced cold runner systems for waste reduction and consistent part quality across all cavities.

Automated Processing

Fully automated molding cells with integrated part removal and post-cure handling systems.

Quality Inspection

100% automated vision inspection and statistical process control for critical dimensions.

Common Applications

Medical

  • Surgical Components
  • Medical Seals
  • Respiratory Devices
  • Implantable Devices

Automotive

  • Gaskets & Seals
  • Electrical Connectors
  • Vibration Dampeners
  • Interior Components

Consumer Products

  • Baby Care Products
  • Kitchen Utensils
  • Wearable Devices
  • Sports Equipment

Start Your LSR Project Today

Contact our LSR molding experts to discuss your project requirements