Elkem (Bluestar Silicones) BLUESIL™ CATA 3020 HT Silicone Rubber

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Elkem (Bluestar Silicones) BLUESIL™ CATA 3020 HT Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Description: BLUESIL™ RTV 3040 is a clear, high strength, addition cure silicone rubber compound. It is formulated to be used with multiple catalysts to cure overnight at room temperature or within hours at elevated temperature to give a variety of hardness. Its low viscosity makes the product easy to pour and quick to degas. BLUESIL™ RTV 3040 is designed to serve the needs of the prototype by reproducing intricate details and maintaining tight tolerances. In addition, BLUESIL™ RTV 3040 has been formulated to provide improved urethane resin resistance. BLUESIL™ RTV 3040 system is compliant to 21CFR177.2600 ~ Repeated food contact applications. Applications: Conventional production and prototype molds Finished rubber parts Stereolithography (SLA) molds Information provided by Bluestar Silicones
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Physical Properties	Metric	English	Comments

Specific Gravity	1.08 g/cc	1.08 g/cc
Viscosity	40000 cP	40000 cP	Mixed
	50000 cP	50000 cP	Part A, Base Component
Linear Mold Shrinkage	<= 0.0010 cm/cm @Time 86400 sec	<= 0.0010 in/in @Time 24.0 hour
	<= 0.0010 cm/cm @Time 605000 sec	<= 0.0010 in/in @Time 168 hour
Storage Temperature	24.0 °C	75.2 °F

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	22	22	ASTM D2240
Tensile Strength	5.34 MPa	775 psi	ASTM D412
Elongation at Break	525 %	525 %	ASTM D412
Tear Strength	22.8 kN/m	130 pli	ASTM D624, Die B

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	204 °C	399 °F
Minimum Service Temperature, Air	-54.0 °C	-65.2 °F

Processing Properties	Metric	English	Comments
Cure Time	180 - 240 min @Temperature 40.0 - 65.0 °C	3.00 - 4.00 hour @Temperature 104 - 149 °F	accelerated, heat curing may increase shrinkage
	1440 min @Temperature 24.0 °C	24.0 hour @Temperature 75.2 °F	50% RH
Pot Life	90.0 min	90.0 min
Working Life	45.0 min	45.0 min
Shelf Life	18.0 Month	18.0 Month

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes

Descriptive Properties
Color	Translucent		Part A, Base Component
	Translucent		Part B, Catalyst 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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PBLUST030 / 191006

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