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  |