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Chemical Resistance of Kapton

 

 

Percent Retained (typical)

Substance

Conditions

Tensile Strength

Elongation

Tensile 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)

Substance

Conditions

Tear Strength

Elongation

Tensile 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

Substance

Temperature °C

Effect

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

Substance

Conditions

Effect

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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