Elkem (Bluestar Silicones) BLUESIL™ GP 25 Hi-Pro Green Silicone Rubber

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Elkem (Bluestar Silicones) BLUESIL™ GP 25 Hi-Pro Green Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Description: BLUESIL™ GP 25 is a general purpose, 25DSA, two component, tin catalyzed, room temperature curing silicone elastomer. It is designed as a medium viscosity, medium strength elastomer with good cured rubber properties, long library life and accurate detail reproduction. Applications: Figurine and giftware casting using Polyester, Urethane, and Plaster materials Conventional Prototype tooling Stereolithography, prototype tolling Information provided by Bluestar Silicones
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Physical Properties	Metric	English	Comments

Specific Gravity	1.20 g/cc	1.20 g/cc
Viscosity	90 cP	90 cP	Part B, Catalyst Component
	50000 cP	50000 cP	Mixed
	60000 cP	60000 cP	Part A, Base Component
Linear Mold Shrinkage	0.0020 cm/cm @Time 86400 sec	0.0020 in/in @Time 24.0 hour
	0.0040 cm/cm @Time 25200 sec	0.0040 in/in @Time 7.00 hour
Storage Temperature	24.0 °C	75.2 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	21	21	ASTM D2240
	25	25	24 hr thick section
Tensile Strength	4.00 MPa	580 psi	ASTM D412
Elongation at Break	380 %	380 %	ASTM D412
Tear Strength	26.3 kN/m	150 pli	ASTM D624, Die B

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	150 °C	302 °F
Minimum Service Temperature, Air	-50.0 °C	-58.0 °F

Processing Properties	Metric	English	Comments
Cure Time	10100 min @Temperature 24.0 °C	168 hour @Temperature 75.2 °F	50% RH
Pot Life	210 min	210 min
Working Life	960 min	960 min
Shelf Life	12.0 Month	12.0 Month

Descriptive Properties
Color	Green		Part B, Catalyst Component
	White liquid		Part A, Base Component
Mix Ratio	10:1		A:B

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PBLUST058 / 191034

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