6F45 Grade Tufnol
6F45 Grade Tufnol is a top quality epoxy grade which has a unique combination of properties including excellent electrical properties, good dimensional stability and outstanding machinability.
Key Features:
- High insulation resistance and electric strength.
- Exceptional resistance to surface electrical tracking
- Excellent wear resistance.
- Mechanically strong
- Chemically resistant
- Low water absorption and good dimensional stability.
- Superb machined finish can be achieved.
Applications:
A wide range of mechanical and electromechanical applications such as rotor blades in compressors, high vacuum components, slot wedges, labyrinth seals, insulating gears in scientific equipment and electrical mounting plates.
Availability:
| Typical Sheet Size (mm): |
1200x1200 |
| Thickness (mm): |
0.4 through to 76 |
| Rod Dia (mm): |
6 through to 50 |
| Length (mm): |
1200 |
Specifications:
| Sheet |
BS EN 60893-3-2 Type EP CC 301 |
| Round Rod |
BS EN 61212-3-3 Type EP CC 41 |
| Rectangular Bar |
BS 6128 Part 4 Type PF CC 41 & 42 |
| Hexagon Bar |
BS 6128 Part 6 Type PF CC 61 & 62 |
| Round Tube |
BS EN 61212-3-2 Type EP CC 31 |
| Rectangular Tube |
BS 6128 Part 13 Type PF CC 131 |
Technical Specification:
| Property |
Unit |
Result |
| Cross Breaking Strength |
MPa |
170 |
| Impact Strength - notched - charpy |
kJ/m² |
4.6 |
| Compressive Strength - flatwise |
MPa |
290 |
| Compressive Strength - edgewise |
MPa |
190 |
| Shear Strength - flatwise |
MPa |
100 |
| Water Absorption - 1.6mm thick |
mg |
30 |
| Water Absorption - 3mm thick |
mg |
35 |
| Water Absorption - 6mm thick |
mg |
45 |
| Water Absorption - 12mm thick |
mg |
55 |
| Electric Strength flatwise in oil at 90ºC - 1.6mm thick |
MV/m |
15 |
| Electric Strength flatwise in oil at 90ºC - 3mm thick |
MV/m |
12 |
| Electric Strength flatwise in oil at 90ºC - 6mm thick |
MV/m |
10 |
| Electric Strength edgewise in oil at 90ºC |
KV |
80 |
| Insulation resistance after immersion in water |
ohms |
3x1011 |
| Loss tangent at 1 MHz |
|
0.040 |
| Permittivity at 1 MHz |
|
4.3 |
| Comparitive Tracking Index |
|
800 |
| Relative Density |
|
1.36 |
| Maximum Working Temperature - Continuous |
ºC |
130 |
| Maximum Working Temperature - Intermittent |
ºC |
150 |
| Thermal Classification |
|
Class B |
| Thermal Conductivity through Laminae |
W/(mK) |
0.36 |
| Thermal Expansion in plane of Laminae |
X 10-5 / K |
1.8 |
| Specific Heat |
kJ / (kgK) |
1.5 |
BACK