GAP FILLER
GAP FILLER 4000
Features & Benefits
- Thermal Conductivity: 4.0 W/m-K
- Extended working time for manufacturing flexibility
- Ultra-conforming with excellent wet-out
- 100% solids – no cure by-products
- Excellent low and high temperature chemical and mechanical stability
Properties
| Properties | Imperial Value | Metric Value | Test Method |
|---|---|---|---|
| Density (Bulk Rubber) (g/cc) | 3.1 | 3.1 | ASTM D792 |
| Color / Part A | Blue | Blue | Visual |
| Color / Part B | White | White | Visual |
| Mix Ratio | 1:1 | 1:1 | *** |
| Shelf Life @ 25ºC (months) | 5 | 5 | *** |
| Viscosity / Part A, High Shear (Pa-s) | 50 | 50 | ASTM D5099 |
| Viscosity, High Shear (Pa-s) (1) | 50 | 50 | ASTM D5099 |
| Electrical | Imperial Value | Metric Value | Test Method |
|---|---|---|---|
| Dielectric Constant (1000 Hz) | 7.9 | 7.9 | ASTM D150 |
| Volume Resistivity (Ohm-meter) | 10^10 | 10^10 | ASTM D257 |
| Flame Rating | V-O | V-O | U.L. 94 |
| Dielectric Strength (V/mil)/(V/mm) | 450 | 18,000 | ASTM D149 |
| Dielectric Constant (1000 Hz) | 450 | 450 | ASTM D149 |
| Thermal | Imperial Value | Metric Value | Test Method |
|---|---|---|---|
| Thermal Conductivity (W/m-K) | 4.0 | 4.0 | ASTM D5470 |
| Property as Cured | Imperial Value | Metric Value | Test Method |
|---|---|---|---|
| Color | Blue | Blue | Visual |
| Hardness (Shore A) (2) | 75 | 75 | ASTM D2240 |
| Heat Capacity (J/g-K) | 0.8 | 0.8 | ASTM D1269 |
| Continuous Use Temp (°F) / (°C) | -76 to 392 | -60 to 200 | *** |
| Deflection (% strain) | 10 | 20 | 30 |
|---|---|---|---|
| Thermal Impedance (°C-in2/W) 0.020" | V-O | V-O | U.L. 94 |
| Cure Schedule | |||
|---|---|---|---|
| Cure @ 25ºC (hrs) (3) | 24 | 24 | *** |
| Cure @ 100ºC (min) (3) | 30 | 30 | *** |
| Working Time @ 25ºC (min) (3) | 240 min (4 hrs) | 240 min ( 4 hrs) | *** |
| Electrical As Cured | Imperial Value | Metric Value | Test Method |
|---|---|---|---|
| Dielectric Constant (1000 Hz) | 450 | 450 | ASTM D149 |
| Volume Resistivity (Ohm-meter) | 7.9 | 7.9 | ASTM D150 |
| Flame Rating | 10^10 | 10^10 | ASTM D257 |