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- Manufacturer: Momentive
- Product Line: Momentive Silicone Elastomers
- Product: Liquid Silicone Rubber
- Industries: Building & Construction | Elastomers
- Authorized Countries: Canada | United States
Silopren™ LSR 4050
Fulfilled By ChemPoint
SKU
0128230
Silopren™ LSR 4050 is a two-component, medical-grade liquid silicone rubber with high transparency, repeat sterilization resistance, and is easily pigmentable.
Package Sizes
Quantity
Documents
Specifications
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;
Primary Chemistry:
Liquid Silicone Rubber
Manufacturer
Product Line
Product
Industries
Authorized Countries
Canada
United States
Overview
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.
Features & Benefits
- 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
Problems Solved
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
Applications
Elastomeric articles
Sealing elements
Bellows
Earplugs
Pipette nipples
Catheters
Vibration dampers
Tube connectors
Medical equipment parts
Related Chemistries
Elastomers
Related Functions
Building & Construction
Related Properties
Momentive Silicone Elastomers Articles
Momentive Liquid Silicone Rubber For Healthcare
Momentive Liquid Silicone Rubber (LSR) is a versatile class of elastomers that can be molded and cured quickly even at a higher temperature range.
Momentive Fluorosilicone Elastomers
Learn about Momentive range of fluorosilicone elastomers that are excellent for a wide range of industrial and transportation harsh conditions.
Momentive Silicone for Biopharmaceuticals
Learn how Momentive silicones are keep up with new technology and medical advances in the biopharmaceutical industry.
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.
Silicone LSR for Micromolded Medical Applications
Momentive silicone elastomer liquid silicone rubber (LSR) grades are engineered for high-precision micromolding of medical components and surgical tools where performance, consistency, and compliance are nonnegotiable.
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