| RTV - 880
General Purpose Silicone Elastomer
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| Description:
RTV-880 is a general purpose condensation cure RTV silicone rubber. It has good heat resistance, high resilience, and exhibits good vibration resistance. RTV-880finds use in application areas include potting, high temperature molding, rollers, and print pads.
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Properties: |
|
Part-A |
Part-B |
| Color |
|
Black |
Neutral |
| Viscosity, CPS |
|
35,000 |
100 |
| Specific Gravity |
|
1.5 |
0.97 |
| Mix Ratio (by volume) |
100:10 |
| Mixed Viscosity, CPS |
25,000 |
| Pot Life @ 72° F, min. |
30 |
| Shelf Life @ 72° F, months |
6 |
| Hardness, Durometer Shore A |
70 |
| Tensile Strength, PSI |
800 |
| Tensile Elongation, % |
70 |
| Tear Strength, ppi |
35 |
| Service Temperature Range, °C |
-54 to 204 |
| Coefficient of Expansion, (cm/cm-°C) |
22x10-5 |
| Dielectric Strength, Volts/Mil |
500 |
| Dielectric Constant 100 HZ |
3.4 |
| Dissipation Factor 60 HZ |
0.002 |
| Volume Resistivity, ohm-cm |
9 x 1014 |
Shrinkage, after 3days, % |
.06 |
| Thermal Conductivity, BTU in/ft 2 hr ° F |
2.4 |
Use Instructions: Pre-mix both parts of RTV-880 thoroughly. Measure out the required amount of material. Mix thoroughly scraping both the bottom and sides of the mixing container until uniform color is achieved. Evacuate the air and then apply. |
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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