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Silopren™ LSR 4040

Technical Datasheet | Supplied by Momentive Performance Materials

Silopren™ LSR 4040 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 excellent biocompatibility, high thermal stability, excellent recovery after puncture, neutral odor and taste. Exhibits high transparency, excellent rubber elastic properties, high stability to ozone and UV light. Designed for processing by injection molding. Silopren™ LSR 4040 is used in elastomeric articles like sealing elements, diaphragms, ear-plugs, bellows, catheters, baby teats, respiratory devices, air vent flaps, tube connectors, 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.

Silopren™ LSR 4040 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Viscosity

600 Pa.s

(gamma = 10 s^-1 at 20°C)

DIN 53018

Specific Gravity

1.12 g/cm³

(Vulcanization: 10 min at 175°C, Post cure: 4 hrs at 200°C)

DIN 53 479 A

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