Insulation/Jacket Materials: Physical Properties Chart

MaterialAbv.VDE symbolCenelec symbolDielectric index (800Hz)Breakdown voltage KV/mmRadiation resist- cJ/kg (= rad)
Polyvinylchloride PVC Y V 4.0 10 8•107
Polyvinylchloride heat resistant PVC Y V2 3.5 20 1•108
Polyethylene LD LDPE 2Y E 2.3 75 1•107
Polyethylene HD HDPE 2Y E2 2.3 100 7•106
Polystyrene PS 3Y Q3 2.5 30 5•106
Polyamide PA 4Y Q4 4.0 25 1•107
Polytetrafluoroethylene PTFE 5Y E4 2.1 25 1•105
Fluorine-Ethylene-Propylene FEP 6Y   2.1 20 3•105
Ethylene tetrafluoroethylene ETFE 7Y E6 2.6 30 1•107
Polypropylene PP 9Y E7 2.3 35 1•105
Polyurethane PUR 11Y Q 6 20 5•107
Polyethylene-Terephthalate PET 12Y Q2 3.3 30 1•107
Natural Rubber NR G R 4 20 8•107
Styrene-Rubber SBR G R 4 20 2•107
Silicone-Rubber SIR 2G S 3.2 20 2•107
Ethylene-Propylene-Rubber EPR/EPDM 3G B 3.5 20 1•108
Ethylene-Vinyl-Acetate EVA 4G G 5 30 1•107
Polychloroprene CR 5G N 8 20 2•107
Cross-linked Polyethylene XLPE 2X X 2.4 50 1•107
MaterialAbv.Dens. g/cm3FlexTensile Strength N/mm2Breaking Elong. %Water Absorp. %Water Vapor Perm.Weather Resist.Flam
Polyvinylchloride PVC 1.35 + 15 250 0.4 o + s.v.
Polyvinylchloride heat resistant PVC 1.35 + 18 200 0.4 o + s.v.
Polyethylene LD LDPE 0.9 o 10 400 0.03 + e.
Polyethylene HD HDPE 0.9 20 500 0.03 + e.
Polystyrene PS 1.06 o 55 30 1 + e.
Polyamide PA 1.1 o 50 200 2 o + s.v.
Polytetraflouroethylene PTFE 2.17 40 350 0.01 ++ n.e.
Fluorine-Ethylene-Propylene FEP 2.15   20 250 0.01 ++ n.e.
Ethylene tetrafluoroethylene ETFE 1.70 o 45 200 0.01 ++ n.e.
Polypropylene PP 0.91 o 30 500 0.1 + e.
Polyurethane PUR 1.20 + 30 400 5 ++ s.v.
Polyethylene-Terephthalate PET 1.40 100 50 0.3 + n.e.
Natural Rubber NR 1.6 ++ 10 350 0.1 + e.
Styrene-Rubber SBR 1.6 ++ 5 250 0.1 + e.
Silicone-Rubber SIR 1.25 ++ 5 200 1 + s.e.
Ethylene-Propylene-Rubber EPR/EPDM 1.45 ++ 5 200 0.2 + e.
Ethylene-Vinyl-Acetate EVA 1.40 ++ 6 300 0.1 o + e.
Polychloroprene CR 1.55 + 15 300 1 o ++ s.v.
Cross-linked Polyethylene XLPE 0.92 o 22 300 0.03 + e.
Key to symbols:
++ very good
+ good
o average
low
very low
n.e. non-flammable
s.e. flame-retardant
s.v. self-extinguishing
e. flammable

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