| RTV - 725
Silicone Potting Compound
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| Description:
RTV-725 is an addition cure, flame retardant, general purpose RTV silicone rubber. RTV-725 is suited for use in commercial potting of high voltage power supplies. It can be cured at elevated temperatures. RTV-725 has a one-to-one mixing ratio, making it ideal for automatic dispensing. It is non-allergenic and non-toxic.
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Properties: |
|
Part-A |
Part-B |
| Color |
|
White |
Buff |
| Viscosity, CPS |
|
10,000 |
6000 |
| Specific Gravity |
|
1.50 |
1.50 |
| Mix Ratio (by weight or volume) |
1:1 |
| Mixed Viscosity, CPS |
7000 |
| Pot Life @ 72° F, min. |
60 |
| Shelf Life @ 72° F, months |
12 |
| Hardness, Durometer Shore A |
50 |
| Tensile Strength, PSI |
725 |
| Tensile Elongation, % |
160 |
| Tear Strength, Die B lb/in. |
20 |
| Flammability, UL 94v-0 |
Passes |
| Short Term Exposure, °C |
260 |
| Service Temperature Range, °C |
-54 to 204 |
| Coefficient of Expansion, ° C |
23 x 10-5 |
| Dielectric Strength, Volts/Mil |
525 |
| Dielectric Constant 100 HZ |
3.4 |
| Dissipation Factor 60 HZ |
0.004 |
| Volume Resistivity, ohm-cm |
1 x 1015 |
| Thermal Conductivity, BTU in/ft 2 hr ° F |
2.5 |
Use Instructions: Pre mix RTV-725 thoroughly. Weigh out the required amount of Part A and add he required amount of Part B. Mix thoroughly scraping both the bottom and sides of the mixing container. Evacuate the air and then apply. |
Cure Schedule:
24 hours @ room temperature
3.5 hours @ 125°F
Pot Life and cure is dependent on temperature.
Ideal conditions: 68-78°F (20-26°C)
40-60% relative humidity
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