Wacker Elastosil® LR 3015/70 A/B Liquid Silicone Rubber

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Wacker Elastosil® LR 3015/70 A/B Liquid Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	ELASTOSIL® LR 3015/70 A/B liquid silicone rubber is a paste like, readily pigmentable two-component compound with extremely short curing time. Its vulcanizates are noted for their high oil resistance. They are colored off white and have moderate mechanical properties. Thanks to the excellent compression set, there is no need to post-cure technical parts. Application: ELASTOSIL® LR 3015/70 A/B is particularly suitable for the economical production of large series of injection molded articles. Parts made from ELASTOSIL® LR 3015/70 A/B can generally be used for technical applications without post-curing, but do not comply with regulations concerning use in the pharmaceutical and food industry. Due to their high oil resistance, ELASTOSIL® LR 3015/70 A/B is mainly used to produce gaskets for automotive and other mechanical engineering applications. Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Density	1.34 g/cc	DIN EN ISO 1183-1 A
Viscosity	600000 cP @Shear Rate 0.900 1/s	DIN 53019

Mechanical Properties	Original Value	Comments
Hardness, Shore A	58	Oil immersion (70h/150°C),Lubrizol OS 206 304
	59	Oil immersion (70h/150°C), IRM 903
	68	Oil immersion (70h/150°C), IRM 901
	70	DIN 53505
Tensile Strength at Break	4.60 MPa	Oil immersion (70h/150°C),Lubrizol OS 206 304
	4.80 MPa	Oil immersion (70h/150°C), IRM 903
	5.80 MPa	Oil immersion (70h/150°C), IRM 901
	6.00 MPa	DIN 53504 S 1
Elongation at Break	220 %	Oil immersion (70h/150°C), IRM 903
	220 %	Oil immersion (70h/150°C),Lubrizol OS 206 304
	240 %	Oil immersion (70h/150°C), IRM 901
	280 %	DIN 53504 S 1
Tear Strength	18.0 kN/m	ASTM 624 B
Compression Set	16 % @Temperature 175 °C, Time 79200 sec	DIN ISO 815-B

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	210 °C	with heat stabilizer
Minimum Service Temperature, Air	-55.0 °C

Processing Properties	Original Value	Comments
Cure Time	5.00 min @Treatment Temp. 165 °C	in press

Descriptive Properties
Appearance	beige
Volume Swell (%)	15	Oil immersion (70h/150°C),Lubrizol OS 206 304
	33	Oil immersion (70h/150°C), IRM 903
	4	Oil immersion (70h/150°C), IRM 901

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