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General Purpose Silicone
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Description:
RTV-811 is a general purpose condensation cure RTV silicone rubber. RTV-811 has low shrinkage and reproduces detail well. Major application areas include flexible molding, rollers, and print pads. It is low viscosity and has high resilience. It contains no by-products, and is non-allergenic.
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Properties:
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Part-A
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Part-B
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Color
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White
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Clear
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Viscosity, CPS
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18,000
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100
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Specific Gravity
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1.20
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.96
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Mix Ratio (by weight)
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100:10
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Mixed Viscosity, CPS
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10,000
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Pot Life @ 72° F, min.
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45
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Shelf Life @ 72° F, months
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6
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Hardness, Durometer Shore A
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45
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Tensile Strength, PSI
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350
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Tensile Elongation, %
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150
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Tear Strength, ppi
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20
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Service Temperature Range, °C
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-54 to 200
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Coefficient of Expansion, (cm/cm-°C)
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25x10-5
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Dielectric Strength, Volts/Mil
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500
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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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0.002
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Volume Resistivity, ohm-cm
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9 x 1014
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| Shrinkage after 3 days (%) |
.06
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Thermal Conductivity, BTU in/ft 2 hr ° F
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2
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Use Instructions:
Pre-mix RTV-811 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.
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