Automotive Industry
| type | material | thermal class/operative temp. | flammability | Marking colour | Pipe colour | norm | ||
|---|---|---|---|---|---|---|---|---|
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WKT(-C) | PE | 70°C | flammable | no | black | FIAT 91223 | ![]() |
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WKT3A (-C) | PP-mod | T3A/125°C | flammable | blue | black | FIAT 91223 | ![]() |
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WKT3B (-C) | PP-mod | T3B/125°C | self-extinguishing | green | black | FIAT 91223 | ![]() |
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RKG | HDPE | 105°C | flammable | no | black | ------- | ![]() |








