Momentive Performance Materials Silopren LSR4020 TP 3364 Two-component liquid silicone rubber

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Momentive Performance Materials Silopren LSR4020 TP 3364 Two-component liquid silicone rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	Silopren LSR 4020 TP 3364 is a two-component liquid silicone rubber for injection molding processes. Silopren LSR 4020 TP 3364 can be used to produce medical technical articles with high transparency and excellent rubber elastic properties. Vulcanized consisting of Silopren LSR 4020 TP 3364 are distinguished by the following properties: excellent biocompatibility, high stability to ozone and ultraviolet light, neutral odor and taste, sterilize able with ethylene oxide, steam and gamma radiation, good transparency, high thermal stability, high recovery after puncture, easy to add pigment with the LSR Color Pastes. Because of the outstanding properties Silopren LSR 4020 TP 3364 is particularly suitable for the following elastomeric articles: sealing elements, catheters, vibration dampers, tube connectors, parts for medical technical equipment, mats. Information provided by Momentive Performance Materials.
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Physical Properties	Original Value	Comments

Density	1.08 g/cc	DIN 53 479 A
Viscosity	200000 cP	A- part. gamma=10s-1 at 20°C.; DIN 53018
	200000 cP	B-part. gamma=10s-1 at 20°C.; DIN 53018

Mechanical Properties	Original Value	Comments
Hardness, Shore A	22	DIN 53 505
Tensile Strength	6.50 MPa	DIN 53 504 S2
Elongation at Break	1000 %	DIN 53 504 S2
Tear Strength	15.3 kg(f)/cm	ASTM D 624
Compression Set	20 % @Temperature 175 °C, Time 79200 sec	DIN 53 517

Processing Properties	Original Value	Comments
Processing Temperature	175 °C @Time 601 sec	Vulcanization as Tested; Die B
Pot Life	4320 min @Temperature 20.0 °C	Closed vessel

Descriptive Properties
Appearance	Translucent	A-part
	Translucent	B-part
Mix Ratio	1:1 A:B	As Tested

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PMOMEN9991 / 265806

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