Materials

Material nomenclature according to ASTM-D 1418-76

  • Natural rubber NR
  • Isoprene rubber IR

    Div. Various trade names: Natsyn, Criflex IR

  • Styrol-Butadien rubber SBR

    Div. Various trade names: Buna Hüls,Polysar S, Soprene

  • Butadiene rubber BR

    Div. Various trade names: Buna CB, Polybutadien K

  • Isobutylene-isoprene rubber IIR

    Div. Various trade names: Polysar Butyl, Esso-Butyl

  • Ethylene-propylene-diene monomer rubber EPDM

    Div. Various trade names: Keltan, Buna AP, Dutral

  • Nitrile-butadiene rubber NBR

    Div. Various trade names: Perbunan, Polysar-Krynac

  • Epichlorohydrin rubber CO,ECO

    Div. Various trade names: Heroclor, Hydrin

  • Chloroprene rubber CR

    Div. Various trade names: Baypren, Neoprene

  • Chlorosulphonated polyethylene rubber CSM

    Div. Various trade names: Hypalon

  • Polyurethane rubber AU, EU

    Div. Various trade names: Urepan, Adipene C

  • Polysulphide rubber T

    Div. Various trade names: Thiokol

  • Silicone rubber VMQ, PVMQ

    Div. Various trade names: Silopren

  • Fluorosilicone rubber FQ

    Div. Various trade names: Silastic

  • Fluororubber FKM

    Div. Various trade names: Viton, Fluorel, Tecnoflon

  • Polyacrylate rubber ACM

    Div. Various trade names: Hycar

  • Polyurethane PUR

    Div. Various trade names: Vulkollan

  • Polytetrafluoroethylene PTFE

    Div. Various trade names: Teflon, Hostaflon

Material nomenclature according to ASTM-D 1418-76

POLYMER div. Various trade names (R)
NR Naturkautschuk
IR Isoprenkautschuk Natsyn, Criflex IR
SBR Styrol-Butadien-Kautschuk Buna Hüls,Polysar S,Soprene
BR Butadien-Kautschuk Buna CB, Polybutadien K
IIR Butyl-Kautschuk Polysar Butyl, Esso-Butyl
EPDM Ethylen-Propylendien-Kautschuk Keltan, Buna AP, Dutral
NBR Acrylnitril-Butadien-Kautschuk Perbunan, Polysar-Krynac
CO,ECO Epichlorhydrin-Kautschuk Heroclor, Hydrin
CR Chloropren-Kautschuk Baypren, Neoprene
CSM Chlorsulfonysiertes Polyethylen-Kautschuk Hypalon
AU,EU Polyurethan-Kautschuk Urepan, Adipene C
T Polysulfid-Kautschuk Thiokol
VMQ, PVMQ Silicon-Kautschuk Silopren
FQ Fluor-Silicon-Kautschuk Silastic
FKM Fluorkautschuk Viton, Fluorel, Tecnoflon
ACM Polyacrylat-Kautschuk Hycar
PUR Polyurethan Vulkollan
PTFE Polyteraflurethylen Teflon, Hostaflon
Characteristics 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