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Silopren™ LSR 4050 is a two-component, medical-grade liquid silicone rubber with high transparency, repeat sterilization resistance, and is easily pigmentable.
Momentive Silopren™ LSR 4050 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. Silopren™ LSR 4050 is FDA and USP Class VI compliant, making it suitable for healthcare applications. Silopren™ LSR 4050 can be used to produce rubber medical devices with outstanding transparency and elastomer properties.
Silopren™ LSR 4050 provides high thermal stability, tear strength, and durometer shore A hardness of 51. Silopren™ LSR 4050 durometer shore hardness allows for recovery after puncturing. Momentive Silopren™ LSR 4050 silicone rubber components offer ease of processability and excellent biocompatibility.
Appearance A-Part: Translucent
Appearance B-Part: Translucent
Density: 1.12 g/cm³
Shore A hardness: 51
Tensile strength, N/mm²: 10
Elongation at break, %: 600
Tear strength, N/mm: 35
Compression set, (22 h at 175°C), %: 25
Excellent biocompatibility
Stability to ozone and UV light
Good transparency
High thermal stability
High recovery after puncture
Outstanding sterilization capability for medical devices
Easily pigmentable with color pastes
FDA and USP regulatory requirements for the use of liquid silicones in medical and health care applications
Low thermal stability and poor resistance to UV and ozone
Issues with low clarity and sterilization stability
Elastomeric articles
Sealing elements
Bellows
Earplugs
Pipette nipples
Catheters
Vibration dampers
Tube connectors
Medical equipment parts
Learn about Momentive range of fluorosilicone elastomers that are excellent for a wide range of industrial and transportation harsh conditions.
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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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