POLYCAST RTV-849B Thermally Conductive Silicone Rubber
POLYCAST RTV-849B Thermally Conductive Silicone Rubber
SKU:POL-84bb49
High-performance RTV-849B silicone rubber for superior heat resistance, thermal conductivity, and durability. Ideal for potting, molding, and more.
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$29.99
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$29.99
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POLYCAST RTV-849B Thermally Conductive Silicone Rubber
$29.99
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POLYCAST RTV-849B Thermally Conductive Silicone Rubber
$29.99
Quantity: 1
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POLYCAST RTV-849B is a high-performance condensation cure silicone rubber designed for applications requiring high heat resistance, exceptional thermal conductivity, and vibration resistance. Ideal for potting, high temperature molding, rollers, and print pads, this clear silicone rubber features a specific gravity of 0.98, Shore A hardness of 73 duro, and a service temperature range of -54 to 260°C. With a thermal conductivity of 9 Btu/in/ft²hr/°F and other superior mechanical properties, it offers reliable performance in demanding environments.
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Product Specifications
Specifications Coefficient Of Expansion
68x10-6 cm/cm-ºC
Specifications Color
Clear
Specifications Cure Schedule
24 hours at room temperaturePot Life and cure is dependent on temperature and humidity.Ideal conditions:68 to 78ºF (20 to 26ºC)40-60% relative humidity
Specifications Dielectric Constant At 100 Hertz Hz
4.7
Specifications Dielectric Strength
550 V/mil
Specifications Dissipation Factor At 60 Hertz Hz
0.01
Specifications Instructions For Use
Pre-mix RTV-849 Base thoroughly. Weigh out the required amount and add the required amount of Catalyst. Mix thoroughly scraping both the bottom and sides of the mixing container. Evacuate the air and then apply.
Specifications Minimum Pot Life At 72f
45 to 60
Specifications Mixed Viscosity
40000 cps
Specifications Mix Ratio By Weight
100:5
Specifications Service Temperature Range
-54 to 260 ºC
Specifications Shelf Life At 72 F
6 m
Specifications Shore A Hardness
73 duro
Specifications Shrinkage After 3 Days
0.06 %
Specifications Specific Gravity
0.98
Specifications Tear Strength
25 ppi
Specifications Tensile Elongation
100 %
Specifications Tensile Strength
590 psi
Specifications Thermal Conductivity
9 Btu/in/ft²hr/ºF
Specifications Viscosity
100 cps
Specifications Volume Resistivity
1x1014 ohm-cm