Material nomenclature
according to ASTM-D 1418-76

Material nomenclature according to ASTM-D 1418-76

POLYMER Various trade names (R)
NR Natural rubber
IR Isoprene rubber Natsyn, Criflex IR
SBR Styrol-Butadien-Kautschuk Buna Hüls,Polysar S,Soprene
BR Butadiene rubber Buna CB, Polybutadien K
IIR Isobutylene-isoprene rubber Polysar Butyl, Esso-Butyl
EPDM Ethylene-propylene-diene monomer rubber Keltan, Buna AP, Dutral
NBR Nitrile-butadiene rubber Perbunan, Polysar-Krynac
CO,ECO Epichlorohydrin rubber Heroclor, Hydrin
CR Chloroprene rubber Baypren, Neoprene
CSM Chlorosulphonated polyethylene rubber Hypalon
AU,EU Polyurethane rubber Urepan, Adipene C
T Polysulphide rubber Thiokol
VMQ, PVMQ Silicone rubber Silopren
FQ Fluorosilicone rubber Silastic
FKM Fluororubber Viton, Fluorel, Tecnoflon
ACM Polyacrylate rubber Hycar
PUR Polyurethane Vulkollan
PTFE Polytetrafluoroethylene Teflon, Hostaflon
Eigenschaften NR IR SBR BR IIR EPDM NBR ECO CR CSM AU T SI SFI FKM ACM PUR PTFE
Tear resistance, non-reinforced 1 2 5 6 4 5 5 5 3 5 2 6 6 6 5 6 1 1
Tear resistance, reinforced 1 2 2 4 3 3 2 3 2 3 1 5 4 4 3 3 1
Elongation at failure 1 1 2 3 2 3 2 3 2 3 2 4 4 4 3 3 2 1
Rebound resilience 2 2 3 1 6 3 3 2 3 4 3 4 3 3 5 5 2 X
Abrasion resistance 2 2 2 1 3 3 2 3 2 3 1 5 5 5 4 4 1 3
Initial tearing resistance 2 2 3 5 3 3 3 3 2 4 3 4 6 6 3 4 1 2
Elec. volume resistance 1 1 2 2 2 2 4 5 3 4 3 3 1 1 4 4 2 1
Temp. range, hot air + °C 90 90 100 100 140 150 130 145 120 130 120 140 200 200 220 160 80 260
Temp. range, cold – °C 50 40 40 60 40 40 40 40 30 40 20 30 80 80 25 20 35 190
Ageing resistance 3 3 3 3 2 1 3 2 2 2 2 3 1 1 1 2 1 1
Ozone resistance 4 4 4 3 2 1 3 2 2 2 2 2 1 1 1 2 1 1
Fuel resistance 6 6 4 5 6 5 1 1 2 2 1 1 5 1 1 1 2 1
Oil and grease resistance 6 6 5 6 6 4 1 1 2 2 4 4 4 4 4 4 2 1
Acid resistance 3 3 3 3 2 1 4 5 2 2 5 4 5 4 1 5 6 1
Alkali resistance 3 3 3 3 2 2 3 5 2 2 5 3 5 4 1 5 6 1
Hot water 3 3 2 3 1 2 3 4 3 3 5 3 5 4 2 5 6 1
LEGEND:
1=Excellent 2=Very good 3=Good 4=Moderate 5=Low 6=Unsatisfactory x=No comparison with elastomers