Chemical Resistance Data

Only the highest quality raw materials available. These raw materials have outstanding resistance to both physical and chemical attack. The following chart should be used as a guide for evaluating the suitability of our products with the chemical agent to be used. Special consideration must be given to the expected service temperature, stress involved in the application and length and type of exposure (i.e. intermittent, or continuous). Contact our staff for information on chemicals not listed or when uncertain conditions exist.

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°
 
Acetone   C C A A C C C C C C C A A A
Acetaldehyde* 100% B C A B B C C C A C C A A A
Acetic Acid* 10% A A A A A A A A A A B A A A
Acetic Acid* 60% A B A A A A A A A B B A A A
Acetic Anhydride*   C C ----- ----- C C C C B A C A A A
Air   A A A A A A A A A A A A A A
Aluminum Chloride all concentr. A A A A A A A A A A A C B A
Aluminum Fluoride all concentr. A A A A A A A A A A A C A B
Aluminum Sulphate all concentr. A A A A A A A A A A A B A B
Alums all types A A A A A A A A A A A A ----- A
Ammonia 100% dry gas A A A A A A B A A A A A C A
Ammonium Carbonate   A A A A A A A A A A   B A B
Ammonium Chloride sat'd A A A A A A A A A A A C B A
Ammonium Fluoride sat'd A A A A A A A A B A A C A A
Ammonium Hydroxide 10% A A A A A A A A B A B A A B
Ammonium Hydroxide 28% A A A A A A A A A A B A A B
Ammonium Nitrate sat'd A A A A A A A A A B A A A B
Ammonium Persulphate sat'd A A A A A A A A A A A B A B
Ammonium Sulphate sat'd A A A A A A A A A A A B A B
Ammonium Metaphosphate sat'd A A A A A A A A A A A B A B
Ammonium Sulfide sat'd A A A A A A A A A A A B A B
Amyl Acetate*# 100% C C B C C C C C A C C A A A
Amyl Alcohol*# 100% A A A B A A A A A A B A B A
Amyl Chloride*# 100% C C C C C C C C C C B A C A
Aniline*# 100% C C A A A C C C B C C B C B
Aqua Regia +   C C C C C C C C C C B C A C
Arsenic Acid all concentr. A A A A A A A A A A A A B B
Aromatic Hydrocarbons*#   C C ----- ----- C C C C C C A C ----- -----
Ascorbic Acid 10% A A A A A A A A A A A ----- ----- -----
Barium Carbonate sat'd A A A A A A A A A A A B A B
Barium Chloride sat'd A A A A A A A A A A A A A B
Barium Hydroxide   A A A A A A A A A A A B B A
Barium Sulphate sat'd A A A A A A B B A A A B B -----
Barium Sulphide sat'd A A A A A A A A A A A B A A
Beer   A A A A C C A A A C A A B B
Benzene*#   C C B C C C C C C C A B A B
Benzoic Acid all concentr. A A A A A A A A C A A B B A
Bismuth Carbonate sat'd A A A A A A A A A A A A A B
Bleachlye 10% A A A A A A A A A A A A B B
Borax sat'd A A A A A A A A A A A A B A
Boric Acid all concentr. A A A A A A A B A A A A A A
Boron Trifluoride   A A ----- ----- A A A A A A A ----- B -----
Brine   A A A A A A A A A A A C A A
Bromine + liquid C C C C C C C C C C A C A A
Bromine Water # sat'd C C C ----- C C C C C C A C A A
Butanediol* 10% A A A A A A ----- ----- ----- ----- ----- ----- ----- -----
Butanediol* 60% A A A A A A ----- ----- ----- ----- ----- ----- ----- -----
Butanediol* 100% A A A A A A ----- ----- ----- ----- ----- ----- ----- -----
Butter*   A A A A C C ----- A A B A A ----- -----
n-Butyl Acetate*# 100% A C C C A C C B B C B B A A
n-Butyl Alcohol 100% A A A ----- A A A B B A A A A A
Butyric Acid # conc. C C ----- ----- ----- ----- B B B C B B A A
Calcium Bisulphide   A A A A A A A A A A A B A -----
Calcium Carbonate sat'd A A A A A A A A A A A B B B
Calcium Chlorate sat'd A A A A A A A A A ----- A ----- ----- -----
Calcium Chloride sat'd A A A A A A A A B A A B A A
Calcium Hydroxide conc. A A A A A A A A B C A B A B
Calcium Hypochlorite bleach sol'n A A A B B B B B A C A C ----- B
Calcium Nitrate 50% A A A A A A A A A B A A A  
Calcium Oxide sat'd A A     A A A A A A A A A A
Calcium Sulphate   A A A A A A A A A C   B A A
Camphor Oil*#   C C C C C C         A A    
Carbon Dioxide all concentr. A A A A A A A A A A A A A A
Carbon Disulphide   C C B C C C C C C C A B B B
Carbon Monoxide   A A A A A A A A A A A A A A
Carbon Tetrachloride#   C C C C C C B C C C A B A A
Carbonic Acid   A A A A A A A A A A A A B A
Caster Oil# conc. A A A A A A A A A A A A A A
Chlorine+ 100% dry gas C C C C B C C C C C A C C B
Chlorineliquid +   C C C C C C A A C C A C A A
Chlorine Water + 2% sat'd sol'n A A A B A A A A C C A C A A

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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