The isophthalic polyesters are not resistant to acetone, amyl acetate,
benzene, carbond isulfide, solutions of alkaline saltso fp otassium and
sodium, hot distilled water,o rh igher concentrations of oxidizinga cids.
Refer to Table 4.23 for the compatibility of isophthalic polyesters with selected
corrodents and Reference [1] for amore complete listing.
TABLE 4.22 Continued
Maximum Te mperature
Chemical
8 F
8 C
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.
a
150
66
Sodium hypochlorite,2 0%
280
138
Sodium hypochlorite,c onc.
280
138
Sodium sulfide, to 50%
280
138
Stannic chloride
280
138
Stannous chloride
280
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 chloride2 60
127
The chemicals listed are in the pure state or in as aturated solution
unless otherwise indicated. Compatibility is shown to the maximum
allowable temperaturefor which data is available. Incompatibilityis
shown by an X. Ablank space indicates that the data is unavailable.
a Subject to stress corrosion cracking.
Source:F rom P. A. Schweitzer.2 004. Corrosion ResistanceT ables ,
Vols. 1–4, 5th ed., New York: Marcel Dekker.
Liquid-Applied Linings
155
CAT8247—CHAPTER 4—17/10/2006—14:36—SRIDHAR—XML MODEL B–pp. 69–174