Elkem (Bluestar Silicones) BLUESIL™ CATA 3038 Silicone Rubber

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Elkem (Bluestar Silicones) BLUESIL™ CATA 3038 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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore A	36	ASTM D2240
Tensile Strength	900 psi	ASTM D412
Elongation at Break	340 %	ASTM D412
Tear Strength	100 pli	ASTM D624, Die B

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	204 °C
Minimum Service Temperature, Air	-54.0 °C

Processing Properties	Original Value	Comments
Cure Time	3.00 - 4.00 hour @Temperature 40.0 - 65.0 °C	accelerated, heat curing may increase shrinkage
	24.0 hour @Temperature 24.0 °C	50% RH
Pot Life	120 min
Shelf Life	18.0 Month

Compliance Properties	Original Value	Comments
FDA	Yes

Descriptive Properties
Color	Translucent	Part A, Base Component
	Translucent	Part B, Catalyst Component
Mix Ratio	10:1	A:B
Work Life	1 hr

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PBLUST031 / 191007

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