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Silopren™ LSR 4020 is a two component liquid silicone rubber used to injection mold low durometer parts. It is transparent, can be easily pigmented and is processed in a 1:1 mix ratio. LSR 4020 is FDA and USP Class VI compliant making it suitable for healthcare applications.
Product Specifications
Density: 1.08 g/cm³ Shore A hardness: 22 Tensile strength, N/mm²: 6.5 Elongation at break, %: 1000 Tear strength, N/mm: 15 Compression set (22 h at 175°C), %: 20
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
Problems Solved
Poor transparency and clarity of traditional liquid silicone resins Biocompatibility and stability of LSR products when exposed to ozone or UV light
Applications
Elastomeric articles Sealing elements Catheters Vibration dampers Tube connectors Medical equipment parts
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.
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