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Rubber Lining Material / Butyl Rubber (IIR) / Resistance
Chemical resistance of Rubber lining

Inorganic Acids

Chemical 

 

Chemical Formula

Concentration

%

Butyl Rubber

B-5

RT

90°C

Sulfuric Acid

H2SO4

10

O  O 

Sulfuric Acid

H2SO4

30

O  O 

Sulfuric Acid 

H2SO4

50

O  O 

Sulfuric Acid 

H2SO4

70

O O

Hydrochloric Acid

HCl

10

 O 

Hydrochloric Acid

HCl

35

 O  X

Nitric Acid

HNO3

1

X

Sulfurous Acid

H2SO3

0.5

X

Phosphoric Acid

H3PO4

-

 O   O 

Hydrofluoric Acid

HF

1

 O  O

Hydrofluoric Acid

HF

48

 O   X 

Carbonic Acid

H2CO3

-

 O   O 

Chlorine Water

Cl2

satu

X  X 

Chlorine Gas

Cl2

wet

X  X 

Hydrobromic Acid

HBr

40

 O   X 

Hydrogen Sulfid Water

H2S

-

 O 

 O 

Chromic Acid

H2CrO4

1

 O   X 


    O: Satisfactory       : Marginal       X: Unsatisfactory

Inorganic Alkalis

 Chemical

Chemical Formula

Concentration

%

Butyl Rubber

B-5

RT

90°C

Caustic Soda

NaOH

48

 O 

Caustic Potash

KOH

25

 O 

Aqua Ammonia

NH4OH

28

O

    O: Satisfactory       : Marginal       X: Unsatisfactory

Inorganic Salts Solutions

 Chemical

Chemical Formula

Concentration

%

Butyl Rubber

B-5

RT

90°C

Sodium Hypochlorite

NaClO

-

 O 

Calcium Hypochlorite

Ca(ClO)2

-

 O 

 

Sodium Chlorate

NaClO3

-

 O  O

Potassium Chlorate

KClO3

-

 O   O 

Sodium Chloride

NaCl

-

 O   O 

Calcium Chloride

CaCl2

-

 O   O 

Zinc Chloride

ZnCl2

-

 O   O 

Ammonium Chloride

NH4Cl

-

 O   O 

Sodium Sulfate

Na2SO4

-

 O   O 

Sodium Bicarbonate

NaHCO3

-

O
 O 

Potassium Bichromate

K2Cr2O7

-

 O   O 

Sodium Sulfite

Na2SO3

-

 O   O 

Potassium Sulfite

K2SO3

-

 O   O 

Sodium Sulfide

Na2S

-

 O   O 

Potassium Sulfide

K2S

-

 O   O 

Sodium Thiosulfate

Na2S2O3

-

 O   O 

Sodium Phosphate

Na3PO4

-

O
 O 

Potassium Chloride

KCl

-

 O  O

Ammonium Carbonate

(NH4)2CO3

-

 O   O 

Ferric Chloride

FeCl3

-

 O   O 

Ammonium Sulfate

(NH4)2SO4

-

 O   O 

Stannous Chloride

SnCl2

-

 O   O 

Chromium Chloride

CrCl2

-

 O   O 

Nickel Sulfate

NiSO4

-

 O   O 

Silver Nitrate

AgNO3

-

 O   O 

Aluminum Sulfate

Al2(SO4)3

-

 O   O 

Sodium Silicate

Na2O . SiO2

-

 O   O 

Sodium Aluminate

NaAlO2

-

 O   O 

Magnesium Hydroxide

Mg(OH)2

-

 O   O 

PAC

[Al2(OH)nCl6-n]m

-

 O   O 


    O: Satisfactory       : Marginal       X: Unsatisfactory

Organic Acids

 Chemical 

Chemical Formula

Concentration

%

Butyl Rubber

B-5

RT

90°C

Acetic Acid

CH3COOH

10

 O   ∆ 

Glacial Acetic Acid

CH3COOH

10

 

 

Formic Acid

HCOOH

90

 O   X 

Oxalic Acid

(COOH)2

20

 O  O

Butyric Acid

CH3CH2CH2COOH

100

   

Tartaric Acid

(CH OH COOH)2

50

 O  O

Lactic Acid

CH3CH(OH)COOH

25

 

 


    O: Satisfactory       : Marginal       X: Unsatisfactory

Organic Compounds

 Chemical

Chemical Formula

Concentration

%

Butyl Rubber

B-5

RT

90°C

Acetone

CH3COCH3

-

 O   ∆ 

Methanol

CH3OH

-

 O   O 

Ethanol

C2H5OH

-

 O   O 

n-Propylalcohol

C3H7OH

-

 O   

n-Butanol

C4H9OH

-

 O 

 

Formaldehyde

HCHO

-

 O   X 

Glycerin

C3H5(OH)3

-

 O 

Ethylene Glycol

(CH2OH)2

-

 O   ∆ 

Triethanolamine

N(CH2CH2OH)3

-

 O   ∆ 

Glucose

C6H12O6

-

 O   ∆ 

    O: Satisfactory       : Marginal       X: Unsatisfactory