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CHEMICALS

Acids

Side by Side Material Comparison Chemical Resistance Chart (Note: Large File)

Reagent Time Exposed Percent Increase Observed Condition of Plastic
Weight Thickness
 Acetic, 5% 1 year 3.6 2.1 Slightly softened
 Acetic, 10% 2 months 5.2 2.4 Slightly softened
Acetic, 30% 2 months 13.6 8.6 Softened and swollen
 Boric, 5% 2 days 1.3 0.0 Unchanged
 Chromic, 6% 8 days
(38ºC, 100ºF)
2.0 0.1 Slightly stained
 Citric, 10% 4 months
(60ºC, 140ºF)
1.6 0.8 Slightly softened
 Citric, 10% 1 year 1.4 0.6 Unchanged
Citric, 60% 4 months
(60ºC, 140ºF)
Surface attacked
 Fluosilicic,
 10%
2 months 4.5 1.2 Unchanged
 Fluosilicic,
 28%
2 months 4.7 3.6 Unchanged
 Formic, 3% 20 days Unchanged
 Hydrochloric,
 10%
1 year 0.9 0.5 Surface slightly attacked
Hydrofluoric,
 10%
1 month 10.3 5.5 Slightly swollen and softened
Hydrofluoric,
 48%
  Dissolved
 Lactic, 50% 2 days 1.6 0.5 Unchanged
Nitric, 10% 8 months Decomposed
 Oleic 1 year 2.3 1.5 Unchanged
 Phosphoric,
 30%
2 months 1.3 0.8 Unchanged
 Phosphoric,
 50%
2 months 1.6 0.8 Unchanged
Phosphoric,
 75%
2 months Partially decomposed
 Pyrogallic,
 4%
1 week 2.6 1.1 Stained yellow
 Stearic 1 week Unchanged
 Sulfuric, 3% 1 year 1.6 1.0 Slightly discolored
 Sulfuric, 10% 1 year 1.5 0.7 Slightly discolored
Sulfuric, 20% 1 year 0.9 0.3 Slightly softened, surface attacked
Sulfuric, 30% 1 year –0.4 –0.3 Surface attacked
Sulfuric, 94%   Disintegrated
 Tannic, 10% 4 months
(38ºC, 100ºF)
2.8 1.2 Unchanged
 Trichloroacetic,
 1%
1 month 3.3 0.5 Unchanged
Trichloroacetic,
 5%
1 month 9.3 3.1 Softened



Alcohols, Monohydric

Reagent Time Exposed Percent Increase Observed Condition of Plastic
Weight Thickness
 n-Amyl 2 days 3.1 3.0 Unchanged
tert-Amyl 2 days 14.0 11.3 Softened, tacky
n-Butyl 2 days 6.5 7.2 Swollen
sec-Butyl 2 days 7.2 10.7 Swollen
tert-Butyl 2 days 3.6 3.3 Slightly softened
Diacetone   Dissolved
Ethyl (denatured) 2 days 23.0 24.7 Softened
Ethyl, 50% 1 week 13.4 11.6 Softened
2-Ethylhexyl 1 week Swollen
Isoamyl 2 days 2.0 2.1 Very slightly softened
Isopropyl 2 days 23.4 25.1 Softened, tacky
Methyl   Dissolved
 Methyl, 5% 1 year 2.0 1.2 Slightly softened
n-Propyl 2 days 15.0 4.4 Slightly softened
Tetrahydrofurfuryl   Dissolved

Alcohols, Dihydric and Trihydric

Reagent Time Exposed Percent Increase Observed Condition of Plastic
Weight Thickness
Diethylene
 Glycol
2 months 8.2 6.1 Softened
 2-Ethyl
 Hexanediol-1,3
2 days
(38ºC, 100ºF)
Unchanged
 Ethylene
 Glycol
1 year 4.2 2.1 Unchanged
 Glycerin 1 year 0.0 0.4 Unchanged
 Propylene
 Glycol
2 days 0.4 0.0 Unchanged
Triethylene
 Glycol
2 months 8.6 6.7 Softened

Hydrocarbons

Reagent Time Exposed Percent Increase Observed Condition of Plastic
Weight Thickness
 Gas, Natural,
 aromatic-free
1 year Showed slight decrease in tensile strength and increase in impact strength
 Gas, Natural,
 5% aromatic
 content
23 days Showed slight decrease in tensile strength and increase in impact strength
 Heptane 1 year 1.6 2.5 Unchanged
 Hexane 1 week Unchanged
 Propane, gas 2 months 0.3 0.6 Unchanged
 Propane, liquid 2 months 1.4 4.6 Unchanged
Toluene 2 days 39.3 54.9 Softened
Xylene 1 week 41.5 33.2 Softened




Hydrocarbons, Halogenated

Reagent Time Exposed Percent Increase Observed Condition of Plastic
Weight Thickness
Carbon Tetrachloride 2 days 14.8 6.8 Surface slightly softened
Chlorobenzene   Dissolved
Chlorobromomethane   Dissolved
Chloroform   Dissolved
o-Dichlorobenzene 3 days Softened and swollen
p-Dichlorobenzene 3 days 11.1 11.7 Swollen
Ethylene Chloride   Dissolved
Methylene Chloride   Dissolved
Propylene Chloride   Dissolved
s-Tetrabromoethane 3 days Softened, swollen, and tacky
Tetrachloroethane   Dissolved
Tetrachloroethylene 12 days Badly swollen
Trichloroethylene 1 day Badly swollen




Ketones

Reagent Time Exposed Percent Increase Observed Condition of Plastic
Weight Thickness
Acetone   Dissolved
Cyclohexanone   Dissolved
Di-Isopropyl Ketone   Dissolved
Methyl Ethyl Ketone   Dissolved
Methyl n-Butyl Ketone   Dissolved
Methyl Isobutyl Ketone   Dissolved
Phorone   Dissolved
Reagent Time Exposed Percent Increase Observed Condition of Plastic
Weight Thickness
Aluminum Acetate,
Basic, 33%
water slurry
2 months 1.8 0.6 Unchanged
Aluminum Chloride,
10%
2 months 1.5 0.7 Unchanged
Aluminum Chloride,
saturated solution
2 months 0.1 0.0 Unchanged
Aluminum Sulfate,
solid
3 months 1.7 1.1 Unchanged
Ammonium Bifluoride,
saturated solution
1 month 2.3 Slightly bleached
Ammonium Chloride,
saturated solution
1 month 2.1 0.8 Unchanged
Ammonium Nitrate,
solid
1 week 0.2 0.2 Unchanged
Ammonium Nitrate,
10%
1 week 1.7 0.8 Unchanged
Ammonium Sulfate,
solid
1 year 0.1 0.6 Unchanged
Ammonium Sulfate,
10%
1 year 1.3 0.5 Unchanged
Calcium Chloride,
2.5%
1 year 1.5 0.9 Unchanged
Calcium Chloride,
40%
2 months 0.4 0.0 Unchanged
Calcium Hypochlorite,
6%
1 year 6.0 –3.8 Softened and cracked
Calcium Hypochlorite,
30%
13 days 0.8 0.0 Unchanged
Calcium Phosphate,
Monobasic, solid
1 year 1.7 0.5 Unchanged
Calcium Phosphate,
Dibasic, solid
1 year –0.6 0.6 Unchanged
Calcium Phosphate,
Tribasic, solid
1 year –0.6 0.6 Unchanged
Calcium Sulfate
(Gypsum), solid
1 year –0.1 0.6 Unchanged
Copper Sulfate
(Cupric), 10%
2 months 1.7 0.6 Unchanged
Copper Sulfate,
saturated solution