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High Thermally Conductive Silicone
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Description:
RTV-793 is an addition cure, self-extinguishing, UL 94v0 rated, RTV silicone rubber. It has high thermal conductivity, low shrinkage, and excellent heat resistance. RTV-793 is suited for commercial potting and encapsulation applications. It has good overall properties, can be cured rapidly at elevated temperatures, is odorless, and non-toxic. It contains no by-products, and is non-allergenic. UL File Number: E 164275
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Properties: |
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Part-A |
Part-B |
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Color
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Red/White/Others
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Clear
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Viscosity, CPS
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20,000
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25,000
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Specific Gravity
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2.22
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2.25
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Mix Ratio (by volume)
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1:1
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Mixed Viscosity, CPS
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20,000
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Pot Life @ 72° F, hrs.
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45
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Shelf Life @ 72° F, months
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12
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Hardness, Durometer Shore A
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70
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Tensile Strength, PSI
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650
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Tensile Elongation, %
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70
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Tear Strength, Die B lb/in.
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28
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Linear Shrinkage, %
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0.1
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Service Temperature Range, °C
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-54 to 260
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Coefficient of Expansion, ° C
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17 x 10-5
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Dielectric Strength, Volts/Mil
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450
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Dielectric Constant 100 HZ
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3.4
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Dissipation Factor 60 HZ
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0.001
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Volume Resistivity, ohm-cm
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1 x 1014
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Thermal Conductivity, BTU in/ft 2 hr ° F
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10
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Use Instructions:
Pre mix RTV-793 thoroughly. Weigh out the required amount of Part A and add the required amount of Part B. Mix thoroughly scraping both the bottom and sides of the mixing container. Evacuate the air and then apply.
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Cure Schedule:
24 hours @ room temperature
4 hours @ 150°F
Pot Life and cure is dependent on temperature.
Ideal conditions: 68-78°F (20-26°C)
40-60% relative humidity
