Wacker Silpuran® 2440 A/B Silicone Rubber

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Wacker Silpuran® 2440 A/B Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Addition-curing RTV-2 silicone rubber curing to a silicone elastomer of medium hardness. Properties: Highly biocompatible No by-products from curing process Pourable after stirring 2-part, mixing ratio 1 : 1 Rapid curing at relatively low temperatures Translucent vulcanizate with good tear resistance Application: SILPURAN® 2440 A/B can be used for flexible molding applications in prosthetics. Information provided by Wacker Chemie AG.
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Physical Properties	Metric	English	Comments

Density	1.13 g/cc	0.0408 lb/in³	Component A; DIN EN ISO 2811
	1.13 g/cc	0.0408 lb/in³	Component B; DIN EN ISO 2811
Viscosity	10000 cP	10000 cP	Component B; DIN EN ISO 3219
	15000 cP	15000 cP	Component A; DIN EN ISO 3219

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	30	30	ISO 868
Tensile Strength at Break	6.00 MPa	870 psi	ISO 37
Elongation at Break	400 %	400 %	ISO 37
Tear Strength	20.0 kN/m	114 pli	ASTM D624B

Processing Properties	Metric	English	Comments
Cure Time	10.0 min @Treatment Temp. 135 °C	0.167 hour @Treatment Temp. 275 °F
Pot Life	45.0 - 60.0 min	45.0 - 60.0 min

Descriptive Properties
Color	translucent		Catalyzed A+B
	translucent		Component A
	translucent		Component B

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PWACK9480 / 205009

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