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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
Chemical	Chemical Formula	Concentration %	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
Chemical	Chemical Formula	Concentration %	RT	90°C
Caustic Soda	NaOH	48	O	O
Caustic Potash	KOH	25	O	O
Aqua Ammonia	NH₄OH	28	O	X

O: Satisfactory ∆: Marginal X: Unsatisfactory

Inorganic Salts Solutions

Chemical	Chemical Formula	Concentration %	Butyl Rubber B-5
Chemical	Chemical Formula	Concentration %	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
Chemical	Chemical Formula	Concentration %	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
Chemical	Chemical Formula	Concentration %	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