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Silopren™ LSR 4080

Technical Datasheet | Supplied by Momentive Performance Materials

Silopren™ LSR 4080 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 temperature stability, excellent recovery after puncture, neutral odor and taste. Exhibits excellent rubber like properties, long service life at dynamic stress, high stability to ozone and UV light. Designed for processing by injection molding. Silopren™ LSR 4080 is used in healthcare devices like sealing elements, O-rings, diaphragms, ear plugs, bellows, baby teats, respiratory devices, air vent flaps, tube connectors, catheters 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 4080 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Viscosity

250 Pa.s

(gamma = 10 s^-1 at 20°C)

DIN 53018

Specific Gravity

1.13 g/cm³

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

DIN 53 479 A

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