Mechanical, Termical, Elektrical and Chemical Properties of Insulation and Sheath Metarials

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Designations Properties (fuide values)
symbols chemical      VDE permissible opereting temperature lo VDE C° mechanical themical electrical chemical resistance (guide values)
tensile strength elongation resistance to abrasion behaviour
at low temp-eratures
flame resistance emission of corrosive gases during a combustion specific volume resistance permittivity constant factor of loss oils-fats solvents diluted acids water
thermoplastics
PVC polyvinyl chloride compounds Y 70-105 12.5-25 125-350 average to good moderate to good avarage to good hydrogen chtorid 1012-1015 4.0-6.5 10"2-10"3 moderate to average moderate good average to good
LDPE low-density polyethylene 2Y 70.00 10-20 400-600 average to good good bad - >1016 2.25-2.6 -10-4 average average to good very good very good
APE high-density poyethylene 2X 90.00 25-40 500-1000 good good bad - >1016 2.4-2.5 -10-4 average average to good very good very good
VPE cross-linked polyethylene 2X 90.00 12.5-20 300-450 average to good good bad - -1016 2.3-2.6 -10-4 average average to good very good very good
foamed polyethylene 02Y 70.00 8-12 350-500 - good bad - -1017 -1.6 -10"4 average average to good very good very good
PA polyamide 4Y 80.00 50-60 50-200 very good good good - -1015 -4.0 ~10"2-10"3 very good good very good average
PUR polyurethane 11Y 80.00 35-50 500-700 very good good moderate to average - ~1012 -6.0 -lo"2 good good moderate average to good
elastomere
NB SBR natural rubber starol-butarlene rubber comp. G 60.00 5.0-10.0 300-600 moderate to average very good bed - ** ** ** bad bad average average tc good
SiR silicone rubber 2G 180.00 5.0-10.0 300-600 moderate very good moderate good - HO"15 -3.0 -10"3 good bad moderate very good
EPR ethylene-propytene rubber compounds 3G 90.00 5.0-10.0 300-500 moderate to average good moderate bad - -10"12-10 15 -3.0 - 3.8 -10"2-10"3 moderate to average moderate good very good to good
EVM polychloroprene compounds 4G 120.00 8.0-12.0 200.350 moderate to average good moderate to average - -1013 -6.0 -10"2 moderate to average moderate average good to average
CR polychloroprene compounds 5G 60-90 5.0-20.0 500-800 average to good moderate good good hydrogen-chlorid ** good very good average good moderate
CM chlorinated polyethylene compounds 9G 80-100 8.0-20.0 350-650 average to good moderate good hydrogen-chlorid ** ** ** good very good average good moderate
CSM chlorosulfonated polyethylene compounds 6G 100.00 8.0-20.0 400-700 average to good moderate good hydrogen-chlorid ** good very good average good moderate
special compounds
cross-linked flama retardant halogen-free polymer comp H 70-90 5.0-1.2 >125 moderate to average average good very good - -1013 1014 -4 10"2 -10"3 moderate to average moderate good good
flame relardant halogen-free polymer compounds not cross-linked H 70-90 5.0-1.2 >125 moderate to average average good - -1012" 1014 -4 -10"3 average average good average tc good
 

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