Medical Silicone Compliance: Why It Matters

Healthcare-grade silicone elastomers must meet strict standards for purity, clarity, durability, and biocompatibility. Momentive’s Silopren™ LSR 4000 series is engineered to comply with these requirements, making it ideal for both disposable and reusable medical devices. 

Key Compliance Features

  • Biocompatibility: Safe for contact with body fluids and medications 
  • Regulatory Standards: Meets stringent healthcare regulations and ISO, USP Class VI compliance, and FDA requirements 
  • Sterilization Resistance: Maintains performance after repeated autoclave, gamma, or EO sterilization 
  • Primerless Adhesion: Bonds to substrates like PC, PBT, and copolyesters without post-curing 
  • Aging and Chemical Stability: Withstands harsh environments and extreme temperatures 


Medical Silicone Specification Checklist 

When selecting silicone for healthcare applications, ensure your material meets the critical specifications below. 

Applications in Healthcare 


Silopren™ LSR 4000 grades are used in the following: 

  • General Medical Parts: O-rings, gaskets, seals, valves, diaphragms 
  • Drug Delivery Systems: Catheters, tubing, dosage control devices 
  • Respiratory & Surgical: Masks, valves, wound drains 
  • Dental & Orthopedic: Impression molds, prosthetic components 


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