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
Yw   PVC  Heat-resistant 105℃ -20
+105
Yk    PVC Cold resistant -40
+70
2Y   LDPE Low density polyethylene -40
+80		 Flammable ≤23 No
2Y   HDPE High density polyethylene -60
+90
2X   XLPE Cross-linked polyethylene -35
+90
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
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
5G     CR  Polychloroprene
compounds		 -40
+100		 Self-extinguishing 30-35 Hydrogen chloride
6G   CSM  Chlorosulfonated
Polyethylene compounds		 -30
+80
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