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Gasket & Packing specifications. Military Specification and Special Application Sheet Stocks and Gaskets also available. Contact Us for additional information and quotes.
| Common Name |
Chemical Name |
Tensile/Elong. |
Temperature Range (F) |
General Properties |
| Natural Rubber |
Natural Isoprene |
3200/800 |
-65 to +212 |
Good physical properties, good resistance to abrasion. Fair resistance to weather and ozone exposure. Excellent non-oil resistance to rubber compound designed to resist flow under compression. Standard for gasket cutting in plumbing trade and general purpose use against water, air and low pressure steam.
|
| Black & Red Rubber |
SBR
Styrene
Butadiene |
700/300 |
-65 to +250 |
Excellent physical properties including abrasion, tear strength and soft rubber seal where applied pressures are light. Resists most inorganic salts, ammonia, acids, and alkalis. Non-toxic and non-marking.
|
| C.I Rubber |
SBR
Styrene
Butadiene |
700/300 |
-65 to +250 |
Same as above except cloth inserted to prevent creep in flanges. |
| Butyl |
SBR
Butylene
Isoprene |
1500/500 |
-40 to +300 |
Good weathering resistance. Excellent dialectic properties. Low permeability to air. Resists effects of many acids, alkalis and ozone at moderately high temperatures.
|
| EPDM |
Ethylene
Propylene |
1650/450 |
-90 to +035 |
Hydrocarbon rubber having excellent resistance to heat aging, oxidation, ozone, acids, alkalis, hydraulic fluid and electrical sensitivity.
|
| Buna-N |
Nitrile
Butadiene |
1000/400 |
-40 to +200 |
Commercial grade general purpose sheet for extreme exposure to oil, arpmatic and hydrocarbon solvents. |
| Neoprene |
Poly-chloroprene |
100/400 |
-40 to +200 |
Commercial grade general purpose sheet with good oil and weather resistance properties. Excellent for mounting pads, diluted acids and alkaline applications.
|
| Hypalon |
Chloro-Sulfinated
Polyethylene |
2400/400 |
-40 to +300 |
Excellent acid resistance such as sulfuric acid and hypo chlorite solutions, outstanding weather, oil, abrasion, flame and heat resistance.
|
| Urethane |
Polyurethane |
4000 |
-40 to +250 |
Highest available abrasion resistance, strength amd load bearing capacity. Excellent oil and solvent resistance. |
| Silicone |
Dimethyl-polysiloxame |
|
-165 to +500 |
Outstanding high and low temperature range. Odorless, tasteless, non-corrosive and non-contaminating. |
| Viton |
Fluorinated
Hydrocarbon |
2250/300 |
-40 to +400 |
Unsurpassed for service in oils, fuels, solvents and many chemicals; such as carbon tetrachloride, tuluene, benzene and xylene.
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Compressed Asbestos Free Gasket Materials
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| Acetic acid |
A | A | A | A |
Diesel oil |
A | C | B | A |
Oxalic acid |
B | C | C | B |
| Acetone |
B | A | A | B |
Ethyl acetate |
B | B | B | B |
Perchtoroethylene |
B | C | C | B |
| Air |
A | A | A | A |
Ethyl Alcohol |
A | A | A | A |
Petroleum ether |
A | B | B | A |
| Aluminium acetate |
A | A | A | A |
Ethylene |
A | A | A | A |
Phenol |
C | B | B | C |
| Aluminium chloride |
A | A | A | A |
Ethylene chloride |
C | B | B | C |
Phosphoric acid |
A | B | B | A |
| Ammonia |
A | A | A | A |
Ethylene gjycol |
A | A | A | A |
Potassium chlorate |
A | A | A | A |
| Ammonium chloride |
A | A | A | A |
Ethyl ether |
A | B | B | A |
Potassium chloride |
A | A | A | A |
| Ammonium hydroxide |
B | B | B | A |
Formaldehyde |
A | A | A | A |
Potassium hydroxide |
B | B | B | B |
| Asphalt (tar) |
A | B | A | A |
Freon 12 |
A | C | C | A |
Potassium nitrate |
A | A | A | A |
| ASTM oil No. I |
A | B | B | A |
Freon 22 |
B | C | C | B |
Potassium permanganate |
A | A | A | A |
| ASTM oil No. 3 |
A | C | B | A |
Glycerine |
A | A | A | A |
Propane |
A | B | B | A |
| Aviation fuel |
A | C | C | A |
Heating oil |
A | C | C | A |
Salt ( NaCI ) |
A | A | A | A |
| Barium chloride |
A | A | A | A |
Hydraulic oil |
A | C | C | A |
Sea water |
A | A | A | A |
| Benzene ( Benzol ) |
A | C | C | A |
Hydrochloric acid 37% |
C | C | C | C |
Silicone oil |
A | A | A | A |
| Benzine (Petroleum Spirit) |
A | C | C | A |
Hydrogen |
A | A | A | A |
Soap |
A | A | A | A |
| Boiler feed water |
A | A | A | A |
Hydrogen chloride (dry) |
A | A | A | A |
Soda (sodium carbonate) |
A | A | A | A |
| Borax |
A | A | A | A |
Hydrogen peroxide (to 6%) |
A | A | A | A |
Sodium hydroxide |
B | B | B | B |
| Boric acid |
A | A | A | A |
lso-octane |
A | B | B | A |
Sodium sulphide |
A | A | A | A |
| Butane |
A | C | C | A |
Iso-propyl alcohol |
A | A | A | A |
Starch |
A | A | A | A |
| Calcium chloride |
A | A | A | A |
Kerosene |
A | C | B | A |
Steam H,O |
A | A | A | A |
| Calcium hydroxide |
A | A | A | A |
Lead acetate |
A | A | A | A |
Sulphur dioxide |
B | C | C | B |
| Calcium hypochloride |
A | B | B | A |
Lime water |
A | A | A | A |
Sulphuric acid 20% |
C | C | C | C |
| Calcium sulphate |
A | A | A | A |
Methane |
A | A | A | A |
Sulphuric acid 50% |
C | C | C | C |
| Carbolic acid |
B | B | B | B |
Methyl alcohol |
A | A | A | A |
Sulphuric acid 96% |
C | C | C | C |
| Carbon dioxide |
A | A | A | A |
Methyl chloride |
B | C | C | B |
Sulphurous acid H2S03 |
B | B | B | B |
| Carbon disulphide |
C | C | C | B |
Methyl ethyl ketone |
B | C | C | B |
Tannin (tannic acid) |
A | A | A | A |
| Carbon tetra chloride |
B | C | C | B |
Mineral oil |
A | C | C | A |
Tartaric acid |
A | A | A | A |
| Chlorine (dry) Cl2 |
A | B | B | A |
Naphtha |
A | C | C | A |
Toluene |
A | C | B | A |
| Chlorine (wet) Cl2 |
B | C | C | B |
Nitric acid 20% |
C | C | C | C |
Transformer oil |
A | B | B | A |
| Chlorine water (ca. 0 ,5 %) |
A | A | A | A |
Nitric acid 40% |
C | C | C | C |
Trichiorethylene |
B | C | C | B |
| Chloroform |
B | C | C | B |
Nitrobenzene |
B | C | C | B |
Turpentine |
A | C | B | A |
| Chromic acid |
B | C | C | B |
Nitrogen |
A | A | A | A |
Vinyl Acetate |
A | C | C | A |
| Citric Acid |
A | A | A | A |
Octane |
A | C | B | A |
Water |
A | A | A | A |
| Copper Acetate |
A |
A |
A |
A |
Oleic Acid |
A |
A |
A |
A |
Xylol |
A |
C |
C |
A |
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