BASIC FEATURES OF MAIN MATERIALS Material Code VDE class Working temp. ±°C Elongation % Tensile strength N/mm² Water resistance Oil or grease resistance Solvents resistance Alcohol resistance Polyvinichloride PVC Y -30/60 +105 150/300 15/25 XXX XX X XXX Flexible polyvinilchloride PVC S-N - -10 +80 120/180 25/30 XXX XX X XX Polyvinichloride - nitrile PVC NBR (Y) -30 +80 150/300 15/25 XXX XXXX XX XXX Polyethylene LD LDPE 2Y -50 +70 400/600 10/20 XXXXX XX X XXXX Polyethylene HD HDPE 2Y -50 +100 400/600 20/30 XXXXX XX X XXXX Cellular polyethylene PES 02 Y -50 +70 300/400 8/12 XXXXX XX X XXXX Polyamide PA 4Y -70 +120 200/300 50/80 X XXXXX XXX X Polyurethane polyester PUR 11Y -50 +90 300/600 30/60 X XXXXX XXX XX Polyurethane polyether PUR 11Y -50 +90 300/600 30/60 XXXX XXXXX XXXX XX Perfluoroalkoxy PFA - -180 +250 200/400 20/30 XXXX XXXX XXXX XXXX Ethylene tetrafluoroethylene ETFE 7Y -100 +150 100/300 40/50 XXXX XXXX XXXX XXX Polytetrafluoroethylene PTFE 5Y -180 +250 240/400 20/30 XXXXX XXXX XXXX XXXX Perfluoroethylenpropylene FEP 6Y -100 +200 250/250 20/30 XXXXX XXXX XXXX XXXX Polypropylene PP 9Y -30 +100 500/700 15/25 XXXX XXXX XX XXXX Polyvinylidene fluoride PVDF 10Y -50 +150 100/300 40/50 XXX XXX XXX XXXX Polyetheretherketone PEEK - -55 +200 100/150 40/50 XXX XXXX XXXX XXXX Polyethylene terephthalate PET 12Y -55 +125 100/300 30/40 XX XXXXX XXX XXXX Interprene IP - -30 +90 150/300 20/25 XXX XXXX XXX XXX Mesh polyethylene XLPE 2X1 -50 +90 300/400 15/25 XXXX XX XX XX Silicon rubber SI 2G -100 +180 300/500 4/12 XXXX XXXX XXXX XXXX BASIC FEATURES OF MAIN MATERIALS Material Resistance to acids Weather resistance Dielectric features Fire resistance Oxygen rate Specific resistivity Dielectric Constant 1 MHz Dissipation Factor 1MHz (10-3) Specific Weight Dielectric resistance KV/mm Polyvinichloride XXX XXX XXX XXXX 25-35 1014 3.5/6 50-100 1.35-1.38 16 Flexible polyvinilchloride XXX XXX XXX XXX 25-30 1015 3.2/4 50-100 1.2-1.35 20 Polyvinichloride - nitrile XXX XXX XX XXXX 25-30 1013 4/6 50-100 1.35-1.38 16 Polyethylene LD XXX XXX** XXXX * 18* 1018 2.3 0.4 0.91-0.92 24 Polyethylene HD XXX XXX** XXXX * 18* 1018 2.4 0.3 0.94-0.96 24 Cellular polyethylene XXX XXX XXXXX XX 18-30 1017 1.50 0.4 0.55-0.65 21 Polyamide XX XXX** XX * 18* 1014 3.5 15-20 1.14 15 Polyurethane polyester XX X XX * 19* 1013 3.5/6 18-29 1.2-1.3 15 Polyurethane polyether XX XXX XX * 19* 1013 3.5/6 30 1.2-1.3 15 Perfluoroalkoxy XXXX XXXXX XXXXX XXXXX 95 1018 2.1 0.4-1 2.12-2.17 20 Ethylene tetrafluoroethylene XXXX XXXXX XXXX XXXX 30 1016 2.7 0.7-1.2 1.7 19 Polytetrafluoroethylene XXXX XXXXX XXXXX XXXXX 95 1018 2.1 0.2 2.20 19 Perfuoroethylenpropylene XXXX XXXXX XXXXX XXXXX 95 1018 2.2 3 2.12-2.17 20 Polypropylene XXXX XXX** XXXX * 18* 1017 2.3 0.4 0.9 26 Polyvinylidene fluoride XXXX XXX XXX XXXX 43 1015 6.8 40-200 1.75-1.78 10 Polyetheretherketone XXXX XXXX XXXX XXXXX 35 1016 3.2/3.3 3 1.2 20 Polyethylene terephthalate XXX XXX XXX * 19* 1015 3/5 20 1-1.2 26 Interprene XXX XXX XX XXX 25-30 1011 4/6 50-100 1.35-1.38 16 Mesh polyethylene XXX XXX** XXXXX * 18* 1018 2.3 0.2 0.91-0.92 24 Silicon rubber XXXX XXX XXXX * 20* 1015 3.6 1 1.1-1.3 26 x = low xx = sufficient xxx = good xxxx = very good xxxxx = excellent * = materials can be integrated with special additives in order to increase their oxygen rate so to obtain a sufficient self-extinguishing capacity ** = in black colour only Important remark: Table values must be regarded as examples and can only be considered as an overall description of each material features. These values can be modified through some chemical manipulation, leaving the basic structure unaltered, in order to enhance or reduce any of these features. Appendice • Appendix 273
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