Elkem (Bluestar Silicones) BLUESIL™ RTV 1597 Silicone Rubber

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Elkem (Bluestar Silicones) BLUESIL™ RTV 1597 Silicone Rubber
Categories:	Polymer; Thermoset; Silicone; Silicone Rubber
Material Notes:	Description: BLUESIL™ RTV 1597 is a two component, medium hardness, high strength, addition cure, room temperature or heat curing silicone elastomer. Designed specifically for moldmaking applications, it offers low viscosity, high tear and cut resistance, and easy release for long lasting molds. BLUESIL™ RTV 1597 has high temperature and chemical resistance with excellent flexibility, low shrinkage, and well-defined detail reproduction, making it ideal for prototyping applications. Applications: Conventional production and prototype molds Giftware, furniture, and artistic molding Finished rubber parts Electronic encapsulation Stereolithography (SLA) molds Epoxy laminate molding Picture frames, mirrors, and furniture molding Information provided by Bluestar Silicones
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Physical Properties	Original Value	Comments

Specific Gravity	1.10 g/cc
Viscosity	10000 cP	Part B, Catalyst Component
	15000 cP	Mixed
	20000 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	38	ASTM D2240
Tensile Strength	950 psi	ASTM D412
Elongation at Break	550 %	ASTM D412
Tear Strength	110 pli	ASTM D624, Die B

Electrical Properties	Original Value	Comments
Volume Resistivity	7.10e+14 ohm-cm
Dielectric Constant	3.0 @Frequency 1000 Hz
Dielectric Strength	460 V/mil
Dissipation Factor	0.0040 @Frequency 1000 Hz

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.250 W/m-K
Maximum Service Temperature, Air	249 °C
Minimum Service Temperature, Air	-55.0 °C

Processing Properties	Original Value	Comments
Cure Time	0.250 hour @Temperature 150 °C
	0.500 hour @Temperature 100 °C
	2.00 hour @Temperature 65.0 °C
	72.0 hour @Temperature 24.0 °C
	168 hour @Temperature 24.0 °C	50% RH
Pot Life	2.00 min
Working Life	16.0 - 24.0 hour
Shelf Life	18.0 Month

Descriptive Properties
Color	Translucent	Part A, Base Component
	Translucent or Blue	Part B, Catalyst Component
Mix Ratio	10:1	A:B

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PBLUST041 / 191017

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