The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Silopren™ LSR 2630

Silopren™ LSR 2030 by Momentive Performance Materials is a low viscosity, two-component liquid silicone rubber (LSR). It is a non-combustible, biocompatible resin available in a mixing ratio of 1:1. Possesses long service life at dynamic stress, excellent dielectric strength & high stability to ozone and ultraviolet light. Exhibits shorter cycle time, excellent thermal stability and high flexibility at low temperatures. Shows improved tear & aging resistance, high reactivity and a standard crosslinking rate. Offers short cycle times and easy demolding. It can be sterilized with ethylene oxide, steam and gamma radiation. Suitable for processing by injection molding. Designed for O-rings, stoppers, keypads, pacifiers, baby teats, respiratory devices and switch covers. Silopren™ LSR 2030 is also recommended for swimming caps, vibration dampers, air vent flaps, cable connectors, catheters and parts for medical technical equipment. Complies with USP Class VI, ISO 10993 part 6, 10 and 11 testing and BfR recommendation XV “Silicones”. Also meets with FDA 21 CFR 177.2600, KTW, DVGW Working sheet W 270 and WRAS (BS 6920).
Product Type
Silicone Rubber
Physical Form

Silopren™ LSR 2630 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
1.10 g/cm³
( )
DIN 53479 A
300 Pa.s
(10s-1 at 20°C)
DIN 53018

Silopren™ LSR 2630 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
140 - 200 °C
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