Polypropylene has FDA approval for handling of foodproducts. It should
not be used with oxidizingtype acids, detergents, low boiling hydrocarbons,
alcohols, aromatics, and some chlorinated organic materials.
TABLE 6.21 Continued
Maximum Te mperature
Chemical
8 F
8 C
Nitric acid, 5%
200
93
Nitric acid, 20%
180
82
Nitric acid, 70%
120
49
Nitric acid, anhydrous
150
66
Nitrous acid, conc.
210
99
Oleum
XX
Perchloric acid, 10%
210
99
Perchloric acid, 70%
120
49
Phenol
200
93
Phosphoric acid, 50–80%
220
104
Picric acid
80
27
Potassium bromide, 30%
280
138
Salicylic acid
220
104
Silver bromide, 10%
250
121
Sodium carbonate
280
138
Sodium chloride
280
138
Sodium hydroxide, 10%
230
110
Sodium hydroxide, 50%
220
104
Sodium hydroxide, conc.
150
66
Sodium hypochlorite, 20%
280
138
Sodium hypochlorite, conc.
280
138
Sodium sulfide, to 50%
280
138
Stannic chloride
280
138
Stannousc hloride2 80
138
Sulfuric acid, 10%
250
121
Sulfuric acid, 50%
220
104
Sulfuric acid, 70%
220
104
Sulfuric acid, 90%
210
99
Sulfuric acid, 98%
140
60
Sulfuric acid, 100%
XX
Sulfuric acid, fuming
XX
Sulfurous acid
220
104
Thionyl chloride
XX
Toluene
XX
Trichloroacetic acid
130
54
White liquor
80
27
Zinc chloride
260
127
The chemicals listed are in the pure state or in saturated solution unless otherwise indicated.
Compatibilty is shown to the maximum allowable temperaturef or which data is available.
Incompatibility is shown by an X.
Source:F romP .A. Schweitzer.2 004. Corrosion Resistance Ta bles,V ols. 1–4, 5th ed., New York:
Marcel Dekker.
Sheet Linings
361
CAT8247—CHAPTER 6—6/10/2006—12:30—SRIDHAR—XML MODEL B–pp. 287–402