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Chemical Chart

KENT Systems Couplings

Chemical Chart

Since our products are leak tested before they are shipped, you should never find one of our products to leak. If you ever find that one of our products is leaking, chances are you are looking at a chemical compatibility issue. Don't worry, this is an issue that we can solve with a little testing and your help.

The first thing to keep in mind is that you should test every chemical you plan to use with the product. The fact that the water worked fine in the first test, has little relevance to the acid that you actually plan to use.

Next, know what to look for. If you find that the couplings are harder to connect then they have been in the past, than you might be looking at a chemical issue. In an extreme case, if you find that the Shut-Off valves "Freeze" open, then you are very likely looking at a chemical issue. No, the products are not designed to work that way, and no it is not a flaw in the product design. What is happening is, at least one of the materials is swelling from the chemical, and because of the close tolerance of our products, the valve is clamped open. Again, this is easily solved with a little testing.

Don't be afraid to talk to us about any issues that you may have, in most cases we can easily solve it. After all, we have a very good idea what we are doing here.

The table listed here is a good place to start your testing. If you see that any of the chemicals listed are less than good, you may need a different material than what is in our standard products. Go ahead, call us at 970.593.3185 so that we can lend you a hand. We offer semi-custom options, we can help you figure out what you need.

OK now the legal stuff. The data presented in this table is for reference only. We recommend that you obtain Free Samples of our products for your testing. All information is supplied without expressed or implied warranty and does not constitute an endorsement.

Chemical Nylon Buna-N Acetal Stainless Steel
Acetic Acid Severe Effect Fair Severe Effect Severe Effect
Acetone Excellent Severe Effect Excellent Excellent
Acetylene Excellent Good Excellent Excellent
Alcohols:Amyl Excellent Good Excellent Excellent
Alcohols:Benzyl Good Severe Effect Excellent Good
Alcohols:Butyl Severe Effect Fair Excellent Excellent
Alcohols:Diacetone Excellent Severe Effect Excellent Excellent
Alcohols:Ethyl Excellent Fair Excellent Excellent
Alcohols:Hexyl Excellent Excellent Excellent Excellent
Alcohols:Isobutyl Excellent Good Excellent Excellent
Alcohols:Isopropyl Severe Effect Good Excellent Good
Alcohols:Methyl Good Excellent Excellent Excellent
Alcohols:Octyl Excellent Good Excellent Excellent
Alcohols:Propyl Severe Effect Excellent Excellent Excellent
Aluminum Hydroxide Excellent Excellent Excellent Excellent
Antifreeze Severe Effect Excellent Severe Effect N/A
Barium Sulfate Excellent Excellent Good Good
Benzene Excellent Severe Effect Excellent Good
Benzoic Acid Severe Effect Severe Effect Good Good
Brewery Slop N/A Excellent Good N/A
Butter N/A Excellent Excellent Fair
Buttermilk Good Excellent Excellent Excellent
Cane Juice Excellent Excellent Excellent Excellent
Carbon Dioxide (dry) Excellent Excellent Excellent Excellent
Carbon Dioxide (wet) Excellent Excellent Excellent Excellent
Carbon Monoxide Excellent Excellent Excellent Excellent
Carbon Tetrachloride Severe Effect Severe Effect Good Good
Catsup Excellent Excellent Good Excellent
Chlorine (dry) Severe Effect Good Severe Effect Excellent
Chlorine Water Fair Severe Effect Severe Effect Fair
Chlorobenzene (Mono) Severe Effect Severe Effect Severe Effect Excellent
Chocolate Syrup Excellent Excellent Excellent Excellent
Clorox? (Bleach) Excellent Severe Effect Severe Effect Excellent
Coffee Excellent Excellent Excellent Excellent
Cyclohexanone Excellent Severe Effect Excellent Excellent
Diesel Fuel Excellent Excellent Excellent Excellent
Ethanol Excellent Fair Excellent Excellent
Ethyl Acetate Excellent Severe Effect Excellent Good
Ethylene Glycol Excellent Excellent Good Good
Fluorine Severe Effect Severe Effect Severe Effect Fair
Fruit Juice Excellent Excellent Severe Effect Excellent
Gasoline (high-aromatic) Excellent Excellent Good Excellent
"Gasoline, leaded, ref." Excellent Excellent Excellent Excellent
"Gasoline, unleaded" Excellent Excellent Excellent Excellent
Grape Juice Excellent Excellent Excellent Excellent
Honey Excellent Excellent Excellent Excellent
Hydrocyanic Acid Good Good Good Good
Hydrogen Peroxide 100% Severe Effect Severe Effect Severe Effect Good
"Jet Fuel (JP3, JP4, JP5)" Fair Excellent Excellent Excellent
Kerosene Excellent Excellent Excellent Excellent
Magnesium Chloride Excellent Excellent Good Severe Effect
Methanol (Methyl Alcohol) Good Excellent Excellent Excellent
Methyl Ethyl Ketone Excellent Severe Effect Fair Excellent
Milk Excellent Excellent Excellent Excellent
Motor oil Excellent Excellent Good Excellent
Nitric Acid (Concentrated) Severe Effect Severe Effect Severe Effect Excellent
Ozone Severe Effect Severe Effect Fair Good
Phenol (10%) Severe Effect Severe Effect Good Good
Rum Excellent Excellent Excellent Excellent
Sea Water Excellent Excellent Excellent Fair
Sodium Chloride Excellent Excellent Excellent Good
Sodium Hydroxide (80%) Fair Severe Effect Severe Effect Fair
Sulfuric Acid (75-100%) Severe Effect Fair N/A Fair
Sulfuric Acid (cold concentrated) Severe Effect Severe Effect N/A Fair
Sulfuric Acid (hot concentrated) Severe Effect Severe Effect N/A Severe Effect
Tetrahydrofuran Excellent Severe Effect Excellent Excellent
Toluene (Toluol) Excellent Severe Effect Fair Excellent
Trichloroethylene Fair Severe Effect Severe Effect Good
Urine Good Excellent Excellent Excellent
"Water, Deionized" Excellent Excellent N/A Excellent
"Water, Distilled" Excellent Excellent Good Excellent
"Water, Fresh" Excellent Excellent Excellent Excellent
"Water, Salt" Excellent Excellent Excellent Good
Whiskey & Wines Excellent Excellent Excellent Excellent



 
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