Wacker Silpuran® 2450 A/B Silicone Rubber

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Wacker Silpuran® 2450 A/B Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Addition-curing RTV-2 silicone rubber curing to a silicone elastomer of high 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 White to slightly grayish vulcanizate with hardness of Shore A 50 Application: SILPURAN® 2450 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	1.22 g/cc	0.0441 lb/in³	Component B; DIN EN ISO 2811
	1.30 g/cc	0.0470 lb/in³	cured
	1.38 g/cc	0.0499 lb/in³	Component A; DIN EN ISO 2811
Viscosity	20000 cP @Shear Rate 10.0 1/s	20000 cP @Shear Rate 10.0 1/s	Component B; DIN EN ISO 3219
	35000 cP @Shear Rate 10.0 1/s	35000 cP @Shear Rate 10.0 1/s	Component A; DIN EN ISO 3219

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	50	50	ISO 868
Tensile Strength at Break	6.00 MPa	870 psi	ISO 37
Elongation at Break	200 %	200 %	ISO 37
Tear Strength	7.00 kN/m	39.9 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	slightly greyish		Component A
	slightly greyish		Component B
	white to slightly greyish		Catalyzed A+B

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PWACK9482 / 205011

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