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Silopren™ LSR 4070
Silopren™ LSR 4070 is a two-component 70A medical-grade liquid silicone rubber with high transparency, biocompatibility, sterilization, and high recovery after puncture.
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- Manufacturer: Momentive
- Product Line: Momentive Silicone Elastomers
- Product: Liquid Silicone Rubber
- Industries: Building & Construction | Elastomers | Metal Processing & Fabrication | Plastics
- Authorized Countries: Canada | United States
Fulfilled By ChemPoint
Fulfilled By ChemPoint
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Product Line
Product
Authorized Countries
Canada
United States
Overview
Silopren™ LSR 4070 is a two-component liquid silicone used to injection mold low-durometer parts. Silopren™ LSR 4070 offers silicone manufacturers 1:1 mix ratios that are transparent, easily pigmented, and processed. Silopren™ LSR 4070 is FDA and USP Class VI- compliant, making it suitable for healthcare applications.
Momentive performance materials such as Silopren™ LSR 4070 offer medical devices with high transparency and excellent rubber-elastic properties. After vulcanization and incorporation of Silopren™ LSR 4070, silicone rubber exhibits outstanding properties for silicone medical devices from biocompatibility, sterilization, and high thermal stability.
Specifications
Form: Liquid
Color: Transparent
Density: 1.14 g/cm³
Shore A hardness: 70
Tensile strength, N/mm²: 9.0
Elongation at break, %: 400
Tear strength, N/mm: 20
Compression set, (22 h at 175°C), %: 25
Primary Chemistry: Liquid silicone rubber
Features & Benefits
- Excellent biocompatibility
- Stability to ozone and UV light
- Good transparency
- High thermal stability
- High recovery after puncture
- Easily pigmentable
- Sterilizable with steam, gamma radiation, and ethylene oxide
Problems Solved
Regulatory approvals for use of liquid silicone rubbers in medical and healthcare parts
Low resistance and pigmentation issues of liquid silicones
Lack of sterilization capabilities and biocompatibility for medical applications
Applications
Elastomeric articles
Sealing elements
Bellows
Ear plugs
Pipette nipples
Catheters
Vibration dampers
Tube connectors
Medical equipment parts and mats
Related Chemistries
Elastomers
Related End Markets
Elastomers
Metal Processing & Fabrication
Plastics
Related Functions
Building & Construction
Related Properties
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