Standards
- acc. to EN 60893: UP GM 204
Laminate for extreme electrical require-ments.
Low smoke gas emission and toxicity in case of fire.
Flame-retardant acc. to UL 94, level V0.
Special creep resistance CTI 600M.
Description
WKT 174 is a special laminated material based on halogen-free, unsaturated polyester resin in connection with a reinforcement of glass mats. Primarily the material distinguishes by means of good mechanical as well as excellent electrical characteristics.
RoHS Directive
The dangerous substances mentioned in the EU-directive 2015/863/EU (RoHS-directive), §4 Clause 1, are not used for manufacturing the material.
Colour
White, Red
Standard Size
2440 x 1220 mm (2 - 80 mm)
3720 x 1020 mm (2 - 40 mm)
2020 x 1020 mm (40 - 130 mm)
We are well prepared to cut the sheets to the required dimension.
Mechanical Characteristics
| Tensile strength // | MPa | 150 | ISO 527 |
| Bending strength ﬩ | MPa | 250 | ISO 178 |
| Compressive strength ﬩ | MPa | 400 | ISO 604 |
| Elasticity modulus | MPa | 16000 | ISO 178 |
Thermal Characteristics
| Heat resistance | °C | 155 | IEC 60216 |
| Thermal class | F | DIN 60085 | |
| Thermal conductivity | W/mk | 0,3 | DIN 52612 |
| Linear expansion factor | 10-6K-1 | 15 - 30 | DIN 53762 |
Electrical Characteristics
| Dielectric strength ﬩ | KV/mm | 13 | IEC 60243-1 |
| Breakdown voltage // | KV/25 mm | 65 | IEC 60243-1 |
| Tracking resistance | CTI | 600 | IEC 60112 |
Misc. Characteristics
| Density | gr/cm3 | 1,85 - 1,9 | ISO 1183 A |
| Flammability | V0 | UL 94 | |
| Water absorption | mg (D=4) | <30 | ISO 62-1 |
| Halogen-free | Yes | ||
| Resin | UP | ||
| Type of reinforcement | Cut glass / glass fibres |
