Material Information

Houston Rubber Co., Inc offers over 150 variations of the compounds below to fit your needs. Material Designation such as: ASTM D-2000, SAE J200, MIL-R, MIL-G

Neoprene (chloroprene)

	Neoprene
Chemical Name	Chloprene
Material Designation	BC, BE
ASTM D-735, SAE J-14 & MIL-R-3065	SC
ASTM D-1418 Designation	CR
Tensile Strength (psi) Pure Gum	Over 200
Black Loaded Stocks	Over 200
Hardness Range (Durometer A)	15-95
Specific Gravity (Base Material)	1.23
Adhesion to Metals	Excellent
Adhesion to Fabrics	Excellent
Tears Resistance	Good
Abrastion Resistance	Very Good
Compression Set	Good
ResilenceCold	Good
Hot	Very Good
Dielectric Strength	Very Good
Electrical Insulation	Fair to Good
Impermeability to Gases	Good
Acid Resistance Dilute	Excellent
Concentrated	Good
Solvent ResistanceAliphatic Hydrocarbons	Fair to Good
Aromatic Hydrocarbons	Fair to Good
Oxygenated (Kentones, etc.)	Poor to Fair
Lacquer Solvents	Poor
Resistance to: Swelling in Lubricating Oil	Good
Oil and Gasoline	Good
Animal Oils	Fair to Good
Water Absorption	Good
Oxidation	Very Good
Ozone	Very Good
Sunlight Aging	Very Good
Heat Aging	Good
Low Temperature	Good
Flame	Good
Vegetable Oils	Good
Chlorinated Hydrocarbons	Poor

EPDM (ethylene propylene)

	EPDM or EP Rubber
Chemical Name	Ethylene Propylene
Material Designation	BA, CA, DA
ASTM D-735, SAE J-14 & MIL-R-3065	R(S)
ASTM D-1418 Designation	EPDM
Tensile Strength (psi) Pure Gum	Below 1000
Black Loaded Stocks	Over 2000
Hardness Range (Durometer A)	30-90
Specific Gravity (Base Material)	0.86
Adhesion to Metals	Good
Adhesion to Fabrics	Good
Tears Resistance	Fair
Abrastion Resistance	Good to Excellent
Compression Set	Good
ResilenceCold	Good
Hot	Very Good
Dielectric Strength	Outstanding
Electrical Insulation	Outstanding
Impermeability to Gases	Good
Acid Resistance Dilute	Excellent
Concentrated	Good
Solvent ResistanceAliphatic Hydrocarbons	Poor
Aromatic Hydrocarbons	Poor
Oxygenated (Kentones, etc.)	Excellent
Lacquer Solvents	Fair to Good
Resistance to: Swelling in Lubricating Oil	Poor
Oil and Gasoline	Poor
Animal Oils	Fair
Water Absorption	Excellent
Oxidation	Excellent
Ozone	Outstanding
Sunlight Aging	Outstanding
Heat Aging	Excellent
Low Temperature	Excellent
Flame	Poor
Vegetable Oils	Fair
Chlorinated Hydrocarbons	Poor

Buna Nitrile (acrylonirtile butadiene)

	Nitrile or NBR or Buna-N
Chemical Name	Acrylonitrile
Material Designation	BF, BG, BK, CH
ASTM D-735, SAE J-14 & MIL-R-3065	SB, SA
ASTM D-1418 Designation	NBR
Tensile Strength (psi) Pure Gum	Below 1000
Black Loaded Stocks	Over 2000
Hardness Range (Durometer A)	40-95
Specific Gravity (Base Material)	1.00
Adhesion to Metals	Excellent
Adhesion to Fabrics	Good
Tears Resistance	Fair
Abrastion Resistance	Good
Compression Set	Good
ResilenceCold	Good
Hot	Good
Dielectric Strength	Poor
Electrical Insulation	Poor
Impermeability to Gases	Good
Acid Resistance Dilute	Good
Concentrated	Good
Solvent ResistanceAliphatic Hydrocarbons	Excellent
Aromatic Hydrocarbons	Good
Oxygenated (Kentones, etc.)	Poor
Lacquer Solvents	Fair
Resistance to: Swelling in Lubricating Oil	Very Good
Oil and Gasoline	Excellent
Animal Oils	Excellent
Water Absorption	Good
Oxidation	Good
Ozone	Fair
Sunlight Aging	Poor
Heat Aging	Good
Low Temperature	Fair to Good
Flame	Poor
Vegetable Oils	Excellent
Chlorinated Hydrocarbons	Fair

Hypalon (chlorosulfonated polyethylene)

	Hypalon
Chemical Name	Chlorsulfonated Polyethylene
Material Designation	CE
ASTM D-735, SAE J-14 & MIL-R-3065	SC
ASTM D-1418 Designation	CSM
Tensile Strength (psi) Pure Gum	Over 1500
Black Loaded Stocks	Over 2500
Hardness Range (Durometer A)	40-90
Specific Gravity (Base Material)	1.12
Adhesion to Metals	Excellent
Adhesion to Fabrics	Good
Tears Resistance	Fair
Abrastion Resistance	Very Good
Compression Set	Fair
ResilenceCold	Fair
Hot	Good
Dielectric Strength	Very Good
Electrical Insulation	Good
Impermeability to Gases	Excellent
Acid Resistance Dilute	Excellent
Concentrated	Good
Solvent ResistanceAliphatic Hydrocarbons	Fair to Good
Aromatic Hydrocarbons	Fair
Oxygenated (Kentones, etc.)	Poor to Fair
Lacquer Solvents	Poor to Fair
Resistance to: Swelling in Lubricating Oil	Good
Oil and Gasoline	Good
Animal Oils	Fair
Water Absorption	Good
Oxidation	Very Good
Ozone	Outstanding
Sunlight Aging	Outstanding
Heat Aging	Very Good
Low Temperature	Good
Flame	Good
Vegetable Oils	Poor to Fair
Chlorinated Hydrocarbons	Poor to Fair

SBR (styrene butadiene)

	SBR or GR-S or Buna S
Chemical Name	Styrene
Material Designation	AA
ASTM D-735, SAE J-14 & MIL-R-3065	R(S)
ASTM D-1418 Designation	SBR
Tensile Strength (psi) Pure Gum	Below 1000
Black Loaded Stocks	Over 2000
Hardness Range (Durometer A)	40-90
Specific Gravity (Base Material)	0.94
Adhesion to Metals	Excellent
Adhesion to Fabrics	Good
Tears Resistance	Fair
Abrastion Resistance	Good to Excellent
Compression Set	Good
ResilenceCold	Good
Hot	Good
Dielectric Strength	Good
Electrical Insulation	Good
Impermeability to Gases	Fair
Acid Resistance Dilute	Fair to Good
Concentrated	Fair to Good
Solvent ResistanceAliphatic Hydrocarbons	Poor
Aromatic Hydrocarbons	Poor
Oxygenated (Kentones, etc.)	Poor
Lacquer Solvents	Poor
Resistance to: Swelling in Lubricating Oil	Poor
Oil and Gasoline	Poor
Animal Oils	Poor
Water Absorption	Very Good
Oxidation	Fair
Ozone	Poor
Sunlight Aging	Poor
Heat Aging	Good
Low Temperature	Very Good
Flame	Poor
Vegetable Oils	Poor
Chlorinated Hydrocarbons	Poor

Butyl (isobutylene isoprene)

	Butyl
Chemical Name	Isobutylene Isoprene
Material Designation	AA
ASTM D-735, SAE J-14 & MIL-R-3065	R(S)
ASTM D-1418 Designation	DA
Tensile Strength (psi) Pure Gum	Over 1500
Black Loaded Stocks	Over 2000
Hardness Range (Durometer A)	40-75
Specific Gravity (Base Material)	0-.92
Adhesion to Metals	Good
Adhesion to Fabrics	Good
Tears Resistance	Good
Abrastion Resistance	Good
Compression Set	Fair
ResilenceCold	Poor
Hot	Very Good
Dielectric Strength	Good
Electrical Insulation	Good
Impermeability to Gases	Outstanding
Acid Resistance Dilute	Excellent
Concentrated	Good
Solvent ResistanceAliphatic Hydrocarbons	Poor
Aromatic Hydrocarbons	Poor
Oxygenated (Kentones, etc.)	Good
Lacquer Solvents	Fair to Good
Resistance to: Swelling in Lubricating Oil	Poor
Oil and Gasoline	Poor
Animal Oils	Fair
Water Absorption	Very Good
Oxidation	Excellent
Ozone	PoorExcellent
Sunlight Aging	Very Good
Heat Aging	Very Good
Low Temperature	Good
Flame	Poor
Vegetable Oils	Fair
Chlorinated Hydrocarbons	Poor

Fluorosilicone (fluoroalkyl polysiloxane)

	Fluorosilicone
Chemical Name	Fluoroalkyl Polysiloxane
Material Designation	FK
ASTM D-735, SAE J-14 & MIL-R-3065	TA, TB
ASTM D-1418 Designation	FVS
Tensile Strength (psi) Pure Gum	Below 1500
Black Loaded Stocks	Over 1500
Hardness Range (Durometer A)	60-90
Specific Gravity (Base Material)	1.30-2.20
Adhesion to Metals	Excellent
Adhesion to Fabrics	Excellent
Tear Resistance	Poor to Fair
Abrastion Resistance	Poor
Compression Set	Good
ResilienceCold	Excellent
Hot	Excellent
Dielectric Strength	Good
Electrical Insulation	Excellent
Impermeability to Gasses	Good
Acid Resistance Dilute	Excellent
Concentrated	Fair
Solvent ResistanceAliphatic Hydrocarbons	Excellent
Aromatic Hydrocarbons	Excellent
Oxygenated (Kentones, etc.)	Poor
Lacquer Solvents	Poor
Resistance to: Swelling in Lubricating Oil	Excellent
Oil and Gasoline	Excellent
Animal Oils	Excellent
Water Absorption	Excellent
Oxidation	Excellent
Ozone	Excellent
Sunlight Aging	Excellent
Heat Aging	Outstanding
Low Temperature	Outstanding
Flame	Excellent
Vegetables Oils	Excellent
Chlorinated Hydrocarbons	Good to Excellent

Silicone (polysiloxane)

	Silicone
Chemical Name	Polysilozane
Material Designation	FC, FE, GE
ASTM D-735, SAE J-14 & MIL-R-3065	TA
ASTM D-1418 Designation	Psi, PVSi, Si, Vsi
Tensile Strength (psi) Pure Gum	Below 1200
Black Loaded Stocks	Over 1200
Hardness Range (Durometer A)	20-85
Specific Gravity (Base Material)	1.14-2.05
Adhesion to Metals	Excellent
Adhesion to Fabrics	Excellent
Tear Resistance	Poor
Abrastion Resistance	Poor
Compression Set	Very Good
ResilienceCold	Excellent
Hot	Excellent
Dielectric Strength	Good
Electrical Insulation	Excellent
Impermeability to Gasses	Fair
Acid Resistance Dilute	Excellent
Concentrated	Fair
Solvent ResistanceAliphatic Hydrocarbons	Poor
Aromatic Hydrocarbons	Poor
Oxygenated (Kentones, etc.)	Poor
Lacquer Solvents	Poor
Resistance to: Swelling in Lubricating Oil	Fair
Oil and Gasoline	Fair
Animal Oils	Fair
Water Absorption	Excellent
Oxidation	Excellent
Ozone	Excellent
Sunlight Aging	Excellent
Heat Aging	Outstanding
Low Temperature	Outstanding
Flame	Fair
Vegetables Oils	Good
Chlorinated Hydrocarbons	Poor to Good

Natural Rubber (polyisoprene)

	Natural Rubber
Chemical Name	Polyisoprene
Material Designation	AA
ASTM D-735, SAE J-14 & MIL-R-3065	R(N)
ASTM D-1418 Designation	NR
Tensile Strength (psi) Pure Gum	Over 3000
Black Loaded Stocks	Over 3000
Hardness Range (Durometer A)	30-90
Specific Gravity (Base Material)	0.93
Adhesion to Metals	Excellent
Adhesion to Fabrics	Excellent
Tear Resistance	Very Good
Abrastion Resistance	Excellent
Compression Set	Excellent
ResilienceCold	Excellent
Hot	Excellent
Dielectric Strength	Excellent
Electrical Insulation	Good to Excellent
Impermeability to Gasses	Good
Acid Resistance Dilute	Fair to Good
Concentrated	Fair to Good
Solvent ResistanceAliphatic Hydrocarbons	Poor
Aromatic Hydrocarbons	Poor
Oxygenated (Kentones, etc.)	Poor
Lacquer Solvents	Poor
Resistance to: Swelling in Lubricating Oil	Poor
Oil and Gasoline	Poor
Animal Oils	Poor
Water Absorption	Very Good
Oxidation	Good
Ozone	Poor
Sunlight Aging	Poor
Heat Aging	Fair to Good
Low Temperature	Very Good
Flame	Poor
Vegetables Oils	Poor
Chlorinated Hydrocarbons	Poor

Viton (fluoroalkyl polysiloxane)

	Viton Fluro-Carbon
Chemical Name	Flourinated Hydrocarbon
Material Designation	HK
ASTM D-735, SAE J-14 & MIL-R-3065	TB
ASTM D-1418 Designation	FPM
Tensile Strength (psi) Pure Gum	1200
Black Loaded Stocks	1500-3000
Hardness Range (Durometer A)	60-90
Specific Gravity (Base Material)	1.8
Adhesion to Metals	Fair to Good
Adhesion to Fabrics	Very Good
Tear Resistance	Fair to Good
Abrastion Resistance	Good
Compression Set	Very Good
ResilienceCold	Fair to Good
Hot	Good
Dielectric Strength	Very Good
Electrical Insulation	Good
Impermeability to Gasses	Excellent
Acid Resistance Dilute	Good to Excellent
Concentrated	Excellent
Solvent ResistanceAliphatic Hydrocarbons	Excellent
Aromatic Hydrocarbons	Excellent
Oxygenated (Kentones, etc.)	Poor
Lacquer Solvents	Poor to Fair
Resistance to: Swelling in Lubricating Oil	Excellent
Oil and Gasoline	Excellent
Animal Oils	Excellent
Water Absorption	Very Good
Oxidation	Outstanding
Ozone	Outstanding
Sunlight Aging	Outstanding
Heat Aging	Outstanding
Low Temperature	Fair to Good
Flame	Excellent
Vegetables Oils	Excellent
Chlorinated Hydrocarbons	Good to Excellent

Urethane (polyester/ether urethane)

	Urethane
Chemical Name	Polyester/Ether Urethane
Material Designation	BG
ASTM D-735, SAE J-14 & MIL-R-3065	SB
ASTM D-1418 Designation	AU, EU
Tensile Strength (psi) Pure Gum	3000-5000
Black Loaded Stocks	3000-5000
Hardness Range (Durometer A)	30-75D
Specific Gravity (Base Material)	1.02-1.20
Adhesion to Metals	Excellent
Adhesion to Fabrics	Very Good
Tear Resistance	Excellent
Abrastion Resistance	Outstanding
Compression Set	Good
ResilienceCold	Good
Hot	Good
Dielectric Strength	Excellent
Electrical Insulation	Good
Impermeability to Gasses	Good
Acid Resistance Dilute	Fair
Concentrated	Poor
Solvent ResistanceAliphatic Hydrocarbons	Fair to Good
Aromatic Hydrocarbons	Poor
Oxygenated (Kentones, etc.)	Poor
Lacquer Solvents	Poor
Resistance to: Swelling in Lubricating Oil	Good
Oil and Gasoline	Good
Animal Oils	Fair to Good
Water Absorption	Very Good
Oxidation	Very Good
Ozone	Excellent
Sunlight Aging	Very Good
Heat Aging	Good
Low Temperature	Fair to Excellent
Flame	Fair
Vegetables Oils	Fair
Chlorinated Hydrocarbons	Fair to Good