Momentive Self-Bonding LSR Solutions For Healthcare

What is Self-Bonding Liquid Silicone Rubber (LSR)?

Liquid Silicone Rubber (LSR) is a two-component versatile class of pumpable silicone elastomers that can be molded and cured with fast cycle times and at elevated temperatures. Momentive offers a broad range of self-bonding LSR products that can be molded into precise shapes and dimensions, maintaining their flexibility and resistance in injection molding applications.

Momentive Liquid Silicone Rubber In Health Care Applications:

Momentive offers a range of LSR products that enable the production of a broad range of disposable and reusable medical devices and supplies. It meets regulatory compliance, biocompatibility, and withstands repeated sterilization processes.

They also offer primer-less adhesion without post-curing to various substrates. Momentive LSR solutions also enable the manufacturing of articles for healthcare parts when plastics and elastomers need to be combined in over-molding or insert-molding processes.

Why Momentive Self-Bonding Liquid Silicone Rubber For Your Health Care Parts and Applications?

  • Fast cure and high tear strength

  • Excellent flexible and transparency 

  • A broad range of durometer shore hardness 

  • Improved aging stability and chemical resistance

  • Fast processability for high-speed injection molding equipment

  • Primer-less adhesion to various substrates

  • High productivity due to the rapid cure and processability

  • Enables soft-hard design freedom to match the application needs

  • Self-bonding properties to thermoplastics including polycarbonate (PC), polybutylene terephthalate (PBT) and copolyesters

Health Care Application Examples:

  • General medical parts such as o-rings, gaskets, seals, and diaphragms 
  • Dialysis bag caps, valves, transfer set, and seals
  • Pharmaceutical: Septa disks and incubator
  • Respiratory and surgical masks
  • Gastroenterology: Feeding devices, balloons, and medical tubing
  • Dental impression molds, Orthopedics and prosthetics parts
  • Ventilation masks, rubber parts and tubing
  • Dosage Control Devices, catheters, fluid, and drug delivery systems
  • Vascular: Hemostasis valves and accessories 

Featured Grade


Silopren™ LSR 4739 is a two-component liquid silicone rubber for injection molding, which offers robust primerless adhesion to a wide range of substrates. Due to its self-bonding and adhesion properties, Silopren™ LSR 4739 is an excellent choice for health care and medical silicone rubber applications.


Other Applications For Momentive Liquid Silicon Rubber (LSR):



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