Characteristics of Insulation & Sheath Materials
Designation | Fire Performance | ||||||
VDE code |
Abbreviations | Materials | Working Temperature ℃ |
Flame Retardance |
Oxygen Index | Corrosive Gased in case of Fire |
|
Thermoplastic compounds | Y | PVC | Polyvinylchloride compounds | -30 +70 |
Self-extinguishing | 23-42 | Hydrogen chloride |
---|---|---|---|---|---|---|---|
YW | PVC | Heat-resistant 90℃ | -20 +90 |
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Yw | PVC | Heat-resistant 105℃ | -20 +105 |
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Yk | PVC | Cold resistant | -40 +70 |
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2Y | LDPE | Low density polyethylene | -40 +80 |
Flammable | ≤23 | No | |
2Y | HDPE | High density polyethylene | -60 +90 |
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2X | XLPE | Cross-linked polyethylene | -35 +90 |
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02Y | - | Foamed polyethylene | -40 +70 |
18-30 | |||
3Y | PS | Polystrole | -50 +80 |
≤23 | No | ||
4Y | PA | Polyamide | -20 +105 |
≤23 | No | ||
9Y | PP | Polypropylene | -20 +100 |
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11Y | PUR | Polyurethane | -40 +80 |
20-26 | |||
Elastomeric compounds | G | NR | Natural rubber SBR Styrol butadiene rubber compounds |
-65 +60 |
Flammable | ≤23 | No |
2G | SIR | Silicome rubber | -60 +180 |
High flash point | 25-35 | ||
3G EPR | Ethylene propylene rubber compounds | -30 +90 |
Flammable | ≤23 | |||
4G | EVA | Ethylene vinylacetate copolymer compounds | -30 +125 |
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5G | CR | Polychloroprene compounds |
-40 +100 |
Self-extinguishing | 30-35 | Hydrogen chloride | |
6G | CSM | Chlorosulfonated Polyethylene compounds |
-30 +80 |
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Fluoropolymer | 10Y | PVDF | Polyvinylidene fluoride Kynar /Dyflor | -40 +135 |
Self-extinguishing | 40-45 | |
7Y | ETFE | Ethylene Tetrafluorethylene Tefzel | -80 +155 |
Self-extinguishing | 30-35 | Yes | |
6Y | FEP | Fluorine ethylene propylene Teflon | -80 +205 |
Self-extinguishing | >95 | Yes | |
5YX | PFA | Perfluoralkoxypolymeric Teflon | -80 +240 |
Self-extinguishing | >95 | Yes | |
5Y | PTFE | Polytetraflurethylene Teflon | -80 +260 |
Self-extinguishing | >95 | Yes | |
Halogen-Free compounds | H | not cross linked |
Halogen free polymer compounds |
-30 +70 |
Self-extinguishing | ≤40 | No |
HX | cross linked | Halogen free polymer compounds | -30 +90 |
Self-extinguishing | ≤40 | No |
Mechanical Performace | Halogen Contenr | Weather | ||||
Tensile Strength N/mm2 | Abrasion Resistance |
Weather Resistance |
Halogen- Free |
Weather Resistance |
Cold Resistance |
|
Thermoplastic compounds | 10-30 | Fair | Good | No | Fair/Good | Fair/Good |
---|---|---|---|---|---|---|
Excellent | ||||||
10-20 | Fair | Excellent | Yes | Good | ||
20-30 | Good | |||||
10-20 | Fair | Good | ||||
5-15 | - | - | Condi-tional | - | ||
50-70 | Good | Good | Yes | Fair/Good | Fair/Good | |
50-60 | Excellent | Fair | Good | Good | ||
20-40 | Fair | Excellent | Fair | |||
30-50 | Excellent | Fair | Yes | Excellent | Excellent | |
Elastomeric compounds | 5-10 | Fair | Fair | No | Fair | Excellent |
Yes | Good | |||||
Excellent | Good | |||||
5-15 | Good | |||||
10-20 | Fair | No | Excellent | Fair/Good | ||
Fair | Fair | |||||
Fluoropolymer | 50-80 | Excellent | Excellent | No | Excellent | Excellent |
40-50 | Excellent | Excellent | Excellent | Excellent | ||
10-30 | Excellent | Excellent | Excellent | Excellent | ||
20-30 | Excellent | Excellent | Excellent | Excellent | ||
70-80 | Excellent | Excellent | Excellent | Excellent | ||
Halogen-Free compounds | 8-15 | Fair | Conditional | Yes | Fair/Good | Fair |
8-15 | Fair |