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Materials

  • Excellent
  • Good
  • Fair – Consult with CTG for application specifics
  • Poor – Not Reccomended for long term service
  • Not Tested
Common Name / Base Elastomer Chemical Name
Natural Rubber Polyisoprene
SBR or GR-S or Buna S Styrene Butadiene
Butyl Isobutylene Isoprene
Butadiene Polybutadiene
EPDM or EP Rubber Ethylene Propylene
Neoprene Chloroprene
CPE Chlorinated Polyethylene
Nitrile or NBR or Buna N Acrylonitrile Butadiene
Urethane Polyester/ Ether Urethane
Hypalon Chlorosulfonated Polyethylene
Epichlorohydrin Rubber Polyalkylene Oxide
Acrylic Polyacrylate
Silicone Polysiloxane
Fluorosilicone Fluoroalkyl Polysiloxane
Fluorocarbon Fluorinated Hydrocarbon
Material Designation
(ASTM D-2000, SAE J 200 Classification)
ASTM D7-35,SAE J-14 & MIL-R-3065 (MIL-STD-417) ASTM D-1418 Designation Pure Gum Tensile Strength (PSI) Black Loaded Stocks Hardness Range
(Durometer A)
Specific Gravity(Base Material) Adhesion To Metals Adhesion To Fabrics Tear Resistance Abrasion+A1:M4 Resistance Compression Set Cold Resilience Hot Resilience Dielectic Strength Electrical Insulation Impermeability to Gases Resistance to:Swelling in Lubricating Oil Resistance to:Water Absorption Resistance to:Oxidation Resistance to:Ozone Resistance to:Sunlight Aging Resistance to: Heat Aging Resistance to: Flame Resistance to: Chlorinated Hydrocarbons
AA R(N) NR Greater Than 3000 Greater Than 3000 30-90 0.93 E E G E E E E E G G P G G P P F P P
AA R(S) SBR Less Than 1000 Greater Than 2000 40-90 0.94 E G F G G G G G G F P G F P P G P P
AA R(S) IIR Greater Than 1500 Greater Than 2000 40-75 0.92 G G G G F P G G G E P G E E G G P P
AA R(S) BR Less Than 1000 Greater Than 2500 40-80 0.94 E G G E G E E G G G P G G P P F P P
BA, CA, DA R(S) EPDM Less Than 1000 Greater Than 2000 30-90 0.86 G G F G G G G E E G P E E E E E P P
BC, BE SC CR Greater Than 2000 Greater Than 2000 15-95 1.23 E E G G G G G G F G G G G G G G G P
BC, BE, CE SC, SB CM Greater Than 1500 Greater Than 2500 60-90 1.16-1.32 F F F G G F G E G E G G E E E G G P
BF, BG, BK, CH SB, SA NBR Less Than 1000 Greater Than 2000 40-95 1 E G F G G G G P P G G G G F P G P F
BG SB AU, EU 3000 – 5000 3000 – 5000 30-75D 1.02-1.20 E G E E G G G E G G G G G E G G F F
CE SC CSM Greater Than 1500 Greater Than 2500 40-90 1.12 E G F G F F G G G E G G G E E G G F
CH SB, SA CO/ECO Less Than 1000 2500 40-90 1.27-1.36 F F F F P G G G G E E G G E G G F G
DF, DH TB ACM/ANM Less Than 1000 2200 40-90 1.1 G G F F G P P F F G E G E E G E P P
FC, FE, GE TA PSi; PVSi, Si, Vsi Less Than 1200 Greater Than 1200 20-85 1.14-2.05 E E P P G E E G E F F E E E E E F F
FK TA, TB FVS Less Than 1500 Greater Than 1500 60-90 1.30-2.20 E E F P G E E G E G E E E E E E E G
HK TB FPM 1200 1500-3000 60-90 1.8 F G F G G F G G G E E G E E E E E G

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Common Name / Base Polymer Chemical Name
Natural Rubber Polyisoprene
SBR or GR-S or Buna S Styrene/Butadiene
Butyl Isobutylene/Isoprene
Butadiene Polybutadiene
EPDM or EP Rubber Ethylene/Propylene
Neoprene Chloroprene
CPE Chlorinated Polyethylene
Nitrile or NBR or Buna N Acrylonitrile/Butadiene
Urethane Polyester/Ether/Urethane
Hypalon Chlorosulfonated/Polyethylene
Epichlorohydrin Rubber Polyalkylene/Oxide
Acrylic Polyacrylate
Silicone Polysiloxane
Fluorosilicone Fluoroalkyl/Polysiloxane
Fluorocarbon Fluorinated/Hydrocarbon
Compression Set Cold Resilience Hot Resilience Dielectic Strength Electrical Insulation Impermeability to Gases Resistance to:Swelling in Lubricating Oil Resistance to:Water Absorption Resistance to:Oxidation Resistance to:Ozone Resistance to:Sunlight Aging Resistance to:Heat Aging Resistance to:Flame Resistance to:Chlorinated Hydrocarbons
E E E E G-E G P VG G P P F P P
G G G G G F P VG F P P G P P
F P VG G G O P VG E E VG VG P P
VG O E G G-E G P VG G P P F P P
G G VG O O G P E E O O E P P
G G VG VG F-G G G G VG VG VG G G P
G F G E G E G VG E E O VG G P
G G G P P G VG G G F P G P F
G G G E G G G VG VG E VG G F F-G
F F G VG G E G G VG O O VG G P-F
P G G G G E E G G E G VG P-F G-E
G P P F F G E G E E G E P P
VG E E G E F F E E E E O F P-G
G E E G E G E E E E E O E G-E
VG F G VG G E E VG O O O O E G-E

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Common Name/Base Polymer Chemical Name
Natural Rubber Polyisoprene
SBR or GR-S or Buna S Styrene/Butadiene
Butyl Isobutylene/Isoprene
Butadiene Polybutadiene
EPDM or EP Rubber Ethylene Propylene
Neoprene Chloroprene
CPE Chlorinated Polyethylene
Nitrile or NBR or Buna N Acrylonitrile/Butadiene
Urethane Polyester/Ether/Urethane
Hypalon Chlorosulfonated/Polyethylene
Epichlorohydrin Rubber Polyalkylene/Oxide
Acrylic Polyacrylate
Silicone Polysiloxane
Fluorosilicone Fluoroalkyl/Polysiloxane
Fluorocarbon Fluorinated/Hydrocarbon
Resistance to: Resistance to:Swelling Resistance to: Water Absorption Resistance to: Oxidation Resistance to: Ozone Resistance to: Sunlight Aging Resistance to: Heat Aging Resistance to: Flame Resistance to: Chlorinated Hydrocarbons
P VG G P P F P P
P VG F P P G P P
P VG E E VG VG P P
P VG G P P F P P
P E E O O E P P
G G VG VG VG G G P
G VG E E O VG G P
VG G G F P G P F
G VG VG E VG G F F-G
G G VG O O VG G P-F
E G G E G VG P-F G-E
E G E E G E P P
F E E E E O F P-G
E E E E E O E G-E
E VG O O O O E G-E

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