Chemical Resistance Data ...continued

TANK MATERIALS
FITTING MATERIALS
   
LDPE
LMDPE
HDPE
PP
XLPE
PVC
CPVC
EPDM
NEO-
PRENE
Viton®
316 SS
TI-
TANIUM
HAST-
ELLOY C
REAGENT
CONC.
70°
140°
70°
140°
70°
140°
 
Chlorobenzene*#   C C C C C C C C C C A A A B
Chlorofoam*#   B C C C C C C C C C A A A A
Chlorosulphonic Acid 100% C C C C C C C C C C C B C A
Chrome Alum sat'd A A A A A A A A A A A A A A
Chromic Acid 80% ----- ----- A ----- ----- ----- C C C C B B C B
Chromic Acid 50% A B A A A B B B B C A B C B
Chromic Acid 10% A A A A A A A A B C A B C B
Cider*   A A A A C C ----- ----- ----- A A A A -----
Citric Acid* sat'd A A A A A A ----- B A A A A A A
Coconut Oil Alcohols*   A A A A A A A A A A A A A A
Coffee   A A A A A A A A A A A A A A
Cola Concentrates*   A A A A A A A A A A A A A A
Copper Chloride sat'd A A A A A A A A A A A C A A
Copper Cyanide sat'd A A A A A A A A A A A B B B
Copper Fluoride 2% A A A A A A A A A ----- A A A A
Copper Nitrate sat'd A A A A A A A A ----- A A B B A
Copper Sulphate sat'd A A A A A A A A A A A B A A
Corn Oil*   A A A A A A A A A A A A A A
Cottonseed Oil*   A A A A A A A A A A A A A A
Cuprous Chloride sat'd A A A A A A A A A A A C A A
Detergents, Synthetic*   A A A A A A A A A A A A A A
Developers, Photographic   A A A A A A A A ----- ----- ----- A A A
Dextrin sat'd A A A A A A A A A A A A A A
Destrose sat'd A A A A A A A A A A A A A A
Diazo Salts   A A A A A A A A ----- ----- ----- ----- ----- -----
Dibutylphthalate*#   B B A B B B C C ----- ----- ----- A ----- -----
Dichlorobenzene*#   C C ----- ----- C C ----- ----- ----- ----- ----- ----- ----- -----
Diethyl Ketone*#   B B ----- ----- B C ----- ----- ----- ----- ----- ----- ----- -----
Diethylene Glycol*   A A A A A A C C A A A A A B
Diglycolic Acid*   A A ----- ----- A A A A A ----- A A A -----
Dimethylamine   C C ----- ----- C C C C C A C A ----- -----
Disodium Phosphate   A A A A A A A A ----- ----- A A A -----
Emulsions, Photographic*   A A A A A A A A A A A A A A
Ethyl Acetate*# 100% B C B B B C C C B C C A A A
Ethyl Alcohol* 100% A A A A A A A A A A A A A A
Ethyl Alcohol* 35% A A A A A A A A A A A A A A
Ethyl Benzene*#   C C C C C C ----- ----- ----- ----- ----- A ----- -----
Ethyl Chloride #   C C C C C C C C A B A A A A
Ethyl Ether #   C C B C C C C C C C C A A B
Ethylene Chloride*#   C C C C C C C C A B A A B C
Ethylene Glycol*   A A A A A A A A A A A A A B
Fatty Acids*   A A A A A A B B C B A A B A
Ferric Chloride sat'd A A A A A A A A A B A C A B
Ferric Nitrate sat'd A A A A A A A A A A A A A B
Ferrous Chloride sat'd A A A A A A A A A A A C A B
Ferrous Sulphate   A A A A A A A A A A A A A A
Fish Solubles*   A A A A A A A A A A A A A A
Fluoboric Acid   A A A A A A A A A A A C C A
Fluosillic Acid conc. A B A B A A A A A A A B C A
Fluosillic Acid 32% A A A A A A A A A A A B C A
Formic Acid all concentr. A A A A A A A A A A C C C A
Fructose sat'd A A A A A A A A A A A A A A
Fruit Pulp*   A A A A A A A A A A A A A A
Furtural # 100% B C C C C C C C B C C B B A
Furfuryl Alcohol*#   B C C C C C ----- ----- ----- ----- A A ----- -----
Gallic Acid sat'd A B A A A A A B B B A B A B
Gasoline*#   B C B C A C C C C B A A A A
Glucose   A A A A A A A A A A A A A A
Glycerine*   A A A A A A A A A A A A A A
Glycol*   A A A A A A A A A A A A A A
Glycolic Acid* 30% A A A A A A A A A A A A A A
Grape Sugar sat'd ag. A A A A A A A A A A A A A A
n-Heptane*#   B B ----- ----- A C C A C A A A A A
Hexachlorobenzene   A ----- ----- ----- A A ----- ----- ----- ----- ----- ----- ----- -----
Hexanol, Tertiary*   A A ----- ----- A A ----- ----- ----- ----- B A A -----
Hydrobromic Acid 50% A A A A A A A A A B A C A B
Hydrochloric Acid all conc. A A A A A A A A A ----- A C C A
Hydrocyanic Acid sat'd A A ----- ----- A A A A A ----- A C B -----
Hydrofluoric Acid* 60% A A A A A A A A A ----- A C C A
Hydrogen 100% A A A A A A A A A A A A A A
Hydrogen Chloride dry gas A A A A A A ----- ----- ----- ----- ----- ----- ----- -----
Hydrogen Peroxide 30% B B A ----- A A A A ----- ----- A B B A
Hydrogen Peroxide 10% A A A B A A A A ----- ----- A B B A
Hydrogen Sulphide   A A A A A A A A A A C B A A
Hydroquinone   A A A A A A A A ----- C A ----- ----- -----
Hypochlorous Acid conc. A A A A A A A A ----- ----- A ----- A A
Inks #   A A A A A A A A ----- ----- A C A A
Iodine + in KI sol'n B ----- ----- ----- B C C C B C A C C B
Isopropyl Alcohol 100% ----- ----- A A A A A A ----- A A A A A
Lead Acetate sat'd A A A A A A A A A A A A A A
Lead Nitrate   A A ----- ----- A A A A A A A A A A
Lactic Acid* 20% A A A A A A A A A A A B B B

Viton® is a registered trademark od DuPont Dow Elastomers.

CODE:
(A) Resistant, no indication that serviceability would be impaired.
(B) Variable resistance, depending on conditions of use.
(C) Unresistant, not recommended for service applications under any conditions
( - ) Information not yet available.

* Stress-crack agent - Certain surface active materials, although they have no chemical effect on polyethylene, can accelerate the cracking of polyethylene when it is under stress. Although our tanks are generally stress-free, caution should be used when large tanks are unsupported, and welded fittings are used.

# Plasticizer - Certain types of chemicals are absorbed to varying degrees by polyethylene, causing swelling, weight gain, softening, and some loss of yield strength. These plasticizing materials cause no actual chemical degradation of the resin. Some of these chemicals have a strong plasticizing effect (e. g. aromatic hydrocarbons benzene), whereas others have weaker effects (e.g. gasoline). Certain plasticizers are sufficiently volatile that if they are removed from contact with the polyethylene, the part will "dry" out and return to it's original condition with no loss of properties.

+ Oxidizers - Oxidizers are the only group of materials capable of chemically degrading polyethylene. The effects on the polyethylene may be gradual even for strong oxidizers, and short term effects may not be measurable. However, if continuous, long-term exposure is intended, the chemical effects should be checked.

(1) Welded tank connections are not recommended.

*Contact Sales Office regarding chemical concentration and temperature ranges.

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