Wacker Elastosil® LR 3011/50 FR A/B Liquid Silicone Rubber

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Wacker Elastosil® LR 3011/50 FR A/B Liquid Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)
Material Notes:	Liquid silicone rubber ELASTOSIL® LR 3011/50 FR A/B is a paste-like, low inflammable two-component compound. Properties: The excellent flame retardancy is confirmed by achieved UL94-V0 listings at 0.75 mm and 3mm thickness. Good heat resistance, low Compression Set as well as short curing times and non abrasive behavior in LIM process are further benefits of this material. Application: This grade is especially designed for economical manufacturing of flame retardant technical articles/parts by Liquid Injection Molding process. Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Density	1.14 g/cc	DIN EN ISO 1183-1 A
Viscosity	1.00e+6 cP @Shear Rate 0.890 1/s	DIN 53019

Mechanical Properties	Original Value	Comments
Hardness, Shore A	50	DIN 53505
Tensile Strength at Break	8.90 MPa	DIN 53504 S 1
Elongation at Break	470 %	DIN 53504 S 1
Rebound	60 %	DIN 53512
Tear Strength	28.0 kN/m	ASTM 624 B
Compression Set	17 % @Temperature 175 °C, Time 79200 sec	post cure 6h/200°C; DIN ISO 815-B

Electrical Properties	Original Value	Comments
Volume Resistivity	2.70e+15 ohm-cm	DIN IEC 93
Dielectric Strength	31.0 kV/mm @Thickness 1.00 mm	DIN IEC 243-2

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	210 °C	with heat stabilizer
Minimum Service Temperature, Air	-55.0 °C
Flammability, UL94	V-0 @Thickness 0.750 - 3.00 mm

Processing Properties	Original Value	Comments
Cure Time	5.00 min @Treatment Temp. 165 °C	in press, postcuring for 4h/200°C (in ventilated air)

Component Elements Properties	Original Value	Comments
Loss on Ignition(%)	31 %	EN ISO 4589-2/ASTM D2863

Descriptive Properties
Appearance	dark-gray/black

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PWACK9112 / 204641

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