| RTV - 846
Lightweight Silicone
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| Description:
RTV-846 is condensation cure flexible syntactic foam RTV silicone rubber. RTV-846 exhibits excellent flow properties and low density. Applications include potting electronics requiring low dielectric constant and low capacitance. RTV 846 has found use in the aircraft and aerospace industries.
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Properties: |
|
Part-A |
Part-B |
| Color |
|
White |
Clear |
| Viscosity, CPS |
|
25,000 |
100 |
| Specific Gravity |
|
.70 |
.98 |
| Mix Ratio (by weight) |
100:10 |
| Mixed Viscosity, CPS |
10,000 |
| Pot Life @ 72° F, min. |
120 |
| Shelf Life @ 72° F, months |
12 |
| Hardness, Durometer Shore A |
45 |
| Tensile Strength, PSI |
350 |
| Tensile Elongation, % |
100 |
| Tear Strength, ppi |
20 |
| Service Temperature Range, °C |
-54 to 204 |
| Coefficient of Expansion, (cm/cm-°C) |
2.2x10-4 |
| Dielectric Strength, Volts/Mil |
500 |
| Dielectric Constant 100 HZ |
2.5 |
| Dissipation Factor 60 HZ |
0.002 |
| Volume Resistivity, ohm-cm |
1 x 1015 |
Shrinkage, after 3 days, % |
.06 |
| Thermal Conductivity, BTU in/ft 2 hr ° F |
1 |
Use Instructions: Pre-mix RTV-846 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. Apply material. |
Cure Schedule:
24 hours @ room temperature
Pot Life and cure is dependent on temperature & humidity.
Ideal conditions: 68-78°F (20-26°C)
40-60% relative humidity
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