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Appendix

   XRF Accessories      Chemical Resistance Tables
Chemical Resistance of Kapton
Percent Retained (typical)
SubstanceConditionsTensile StrengthElongationTensile Modulus
Acetic Acid, Glacial 36 days, 110° C 85 62 102
Acetone 365 days, R.T. 67 62 160
Benzene 365 days, R.T. 100 82 100
Chloroform 365 days, R.T. 93 74 96
p-Cresol 22 days, 200° C 100 77 102
Hexane 365 days, R.T. 97 89 100
Jet Fuel 190 days, R.T. 86 92 84
Methanol 365 days, R.T. 100 73 140
Sodium Hydroxide, 10% 5 days, R.T. - Degrades -
Toluene 365 days, R.T. 94 66 97
Transformer Oil 180 days, R.T. 100 100 100
Water pH=1 14 days, 100° C 65 30 100
Water pH=4.2 14 days, 100° C 65 30 100
Water pH=7.0 166 days, 100° C 65 20 100
Water pH=8.9 14 days, 100° C 65 20 100
Water pH=10.0 4 days, 200° C 65 10 100
Reprinted by permission of E.l. du Pont de Nemours & Co., Kapton, Summary of Properties E-50533
Chemical Resistance of Mylar
Percent Retained (typical)
SubstanceConditionsTear StrengthElongationTensile Strength
Acids
Glacial Acetic Acid 24 hours, 75°C 100 10 100
Hydrochloric Acid, 10% 100 100 75
Hydrochloric Acid, Con. 0 0 0
Hydrochloric Acid, 48% 80 50 50
Nitric Acid, 10% 100 100 100
Nitric Acid, 40% 75 50 75
Sulfuric Acid, 30% 100 100 100
Bases
Ammonium Hydroxide, 2% 24 hours, 75°C 85 65 40
Sodium Hydroxide, 2% 90 65 40
Sodium Hydroxide, 10% 0 0 0
Solvents
Dioxane (1,4) 24 hours, 75°C 100 100 100
Ethyl Acetate 100 100 100
Ethanol 100 100 100
Methyl Ethyl Ketone 100 100 100
Toluene 100 100 100
Trichloroethylene 100 100 100
Miscellaneous
Detergent, 25% 24 hours, 75°C 100 100 125
Dimethyl Formamide 100 100 -
Sodium Sulfide, 4% 72 45 40
Tricresyl Phosphate 100 100 -
Impregnants
Hydrocarbon Oil, hi. vis. 900 hours, 100°C 92 88 87
Hydrocarbon Oil, low vis. (immersion) 96 67 123
Silicone, DC 200 79 141 97
Varnishes
Asphalt Base GE9466 168 hours, 150°C 92 18 113
Glyptal Resin GE2480 (baked) 90 80 60
Phenolic Resin GE1678 92 3 73
Silicone Resin GESR80 58 230 100
Silicone Resin GESR28 100 54 97
Reprinted by permission of E.l. du Pont de Nemours & Co., Bulletin M-3C.
Chemical Resistance of Polypropylene
SubstanceTemperature °CEffect
Acetic Acid, Glacial 80 B
Acetic Acid, 50% 80 A
Acetone 60 A
Acetophenone 20 B
Ammonia, 30% 20 A
Ammonium Hydroxide, 10% 60 B
Amyl Acetate 20 B
Amyl Alcohol 60 B
Amyl Chloride 20 C
Aniline 60 A
Aqua Regia 20 B,E
Aviation Fuel 20 B
Benzene 20 B
Benzyl Alcohol 80 A
Brine 60 A
Bromine, Aqueous 20 C
Calcium Hypochlorite, 30% 60 B
Carbon Disulfide 20 B
Carbon Tetrachloride 20 C
Chlorine Gas 20 D
Chlorobenzene 20 C
Chloroform 20 C
Chromic Acid, 50% 60 A,E
Cyclohexanol 60 B
Cyclohexanone 20 B
Decaline 20 C
Detergents, 2% 100 A
Ethyl Acetate 60 B
Ethanol 80 A
Ethylene Glycol 60 A
Ethyl Ether 20 B
Formaldehyde 60 A
Gasoline 60 C
Hexane 60 B
Hydrochloric Acid, 30% 60 B,E
Hydrochloric Acid, 20% 60 A
Hydrogen Peroxide 60 B
Iodine Tincture 20 A
Ketones 20 A
Linseed Oil 60 A
Lubricating Oil/Motor Oil 60 B
Nitric Acid, 70% 20 C,E
Nitric Acid, 10% 100 A
Paraffin 60 B
Petroleum Ether 20 C
Phenol 60 A
Plating Solutions 60 A
Pyridine 20 A
Silicone Oil 60 A
Sugars and Syrups 60 A
Sulfamic Acid 80 A
Sulfuric Acid, 98% 20 C
Sulfuric Acid, 50% 60 B
Sulfuric Acid, 10% 100 A
Toluene 20 C
Trichloroethylene 20 C
Turpentine 20 C
Whiskey 100 A
Wine 60 A
A Negligible Effect
B Limited Absorption or Attack
C Extensive Absorption or Permeation
D Extensive Attack
E May Produce Cracking Under Stress
Reprinted by permission of Hercules Inc., Bulletin PPD-32F.
Chemical Resistance of Polycarbonate
SubstanceConditionsEffect
Acetic Acid, 5% 30 days, R.T. N
Citric Acid, 5% 6 days, R.T. N
Cod Liver Oil 6 days, R.T. N
Detergent Solution, 5% 30 days, R.T. N
Freon 22 30 days, R.T. P
Hydrogen Peroxide, 30% 30 days, R.T. N
Iodine, Tincture 6 days, R.T. N
Isopropanol, 70% 6 days, R.T. N
Kerosene 6 days, R.T. N
Lemon Juice 6 days, R.T. N
Light Lube Oil 6 days, 80°C N
Methyl Salicylate 6 days, R.T. S
Oleic Acid 6 days, 80°C N
Ozone, 1% 30 days, R.T. C
Pine Oil 6 days, R.T. N
Salt Solution, 10% 30 days, R.T. N
Sardine Oil 6 days, 80°C N
Shortening 6 days, 80°C N
Soap Solution, 5% 6 days, R.T. N
Soya Oil 6 days, 80°C N
Wine 6 days, R.T. N
Whiskey 6 days, R.T. N
N No Effect
S Soluble
P Partially Sooluble
C Chemically Attacked
Reprinted by permission of General Electric Company, Technical Manual SP-811.
NOTE: Polycarbonate may be attacked by strong acids, bases, oxidizing agents, esters, ketones, aromatic and halogenated hydrocarbons.

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