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Plastics & Elastomers
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Plastics & Elastomers
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Silopren™ LSR 4030

Silopren™ LSR 4030 by Momentive Performance Materials is a two-component liquid silicone rubber, sterilizable with ethylene oxide, steam and gamma radiation. It is easily pigmented with LSR color pastes. Offers high thermal stability, excellent recovery after puncture, neutral odor and taste. Exhibits high transparency, excellent rubber like properties, high stability to ozone and UV light. Designed for processing by injection molding. Silopren™ LSR 4030 is used in elastomeric articles like sealing elements, O-rings, diaphragms, bellows, catheters, baby teats, respiratory devices, vibration dampers, parts for medical technical equipment and mats. Complies with USP Class VI, ISO 10993, BfR recommendation XV "Silicones", FDA 21 CFR 177.2600 and Eur. Pharmacopia VI 3.1.9 regulations.
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Product Type
Silicone Rubber
Physical Form
Liquid
Appearance
Translucent

Silopren™ LSR 4030 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Viscosity
350 Pa.s
(gamma = 10 s-1 at 20°C)
DIN 53018
Specific Gravity
1.10 g/cm3
(Vulcanization: 10 min at 175°C, Post cure: 4 hrs at 200°C)
DIN 53 479 A

Silopren™ LSR 4030 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
170 - 230 °C
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