Flowserve Polybase baseplates User Manual
Page 10
Polybase Baseplate INSTRUCTIONS ENGLISH 71569284 – 12-10
Page 10 of 24
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3.4.2
Polybase corrosion guide (abridged)
Table 3-1 Derakane resin (black)
Chemical
21 °C
(70 °F)
60 °C
(140 °F)
93 °C
(200 °F)
Acetic acid <75%
R
R
S
Acetic, glacial
S
NR
NR
Amines
R
S
NR
Aromatic solvents
S
NR
NR
Benzene
NR
NR
NR
Bleach
R
R
NR
Bromine (dry)
R
NR
NR
Bromine (wet)
R
NR
NR
Calcium chloride
R
R
S
Chlorinated solvents
NR
NR
NR
Chlorobenzene
NR
NR
NR
Chlorine dioxide
<15%
R
R
S
Chromic acid <20%
R
NR
NR
Ferric chloride
R
R
R
Fluosilic acid <30%
R
NR
NR
Gasoline
R
R
NR
Hydrobromic acid
<50%
R
R
NR
Hydrochloric acid
=<20%
R
R
S
Hydrochloric >20%
R
S
NR
Hydrofluoric acid
<20%
R
S
NR
Methylene chloride
NR
NR
NR
Nitric acid =<30%
R
S
NR
Nitric acid >30%
NR
NR
NR
Oil, mineral
R
R
R
Petroleum oil
R
R
R
Phosphoric acid
R
R
R
Seawater
R
R
R
Sodium chlorate
R
R
R
Sodium chloride
R
R
R
Sodium hydroxide
=<50%
R
R
S
Sodium hydroxide
>50%
NR
NR
NR
Sulfuric acid <75%
R
S
S
75% to 93%
NR
NR
NR
93% to 98+%
NR
NR
NR
Table 3-2 Novolac GT4000 resin (blue)
Chemical
21 °C
(70 °F)
60 °C
(140 °F)
93 °C
(200 °F)
Acetic acid <75%
R
R
R
Acetic, glacial
R
R
R
Benzene
R
R
R
Bleach =<18%
R
R
R
Chromic acid <20%
R
R
R
Hydrochloric acid
=<20%
R
R
R
Hydrochloric >20%
R
R
R
Hydrofluoric acid
<20%
R
S
NR
Methylene chloride
S
NR
NR
Nitric acid to 69%
R
R
R
Sodium hydroxide
=<50%
R
R
R
Sodium hydroxide
>50%
NR
NR
NR
Sulfuric acid <75%
R
R
R
75% to 93%
S
NR
NR
93% to 98+%
S
NR
NR
Table 3-3 Novolac GT4500 resin (red)
Chemical
21 °C
(70 °F)
60 °C
(140 °F)
Bleach to 12%
R
R
Chromic acid <20%
R
R
Gasoline
R
R
Hydrochloric acid
=<20%
R
R
Hydrochloric >20%
R
R
Hydrofluoric acid
<20%
R
S
Methylene chloride
NR
NR
Nitric acid to 50%
R
R
Phosphoric acid to
85%
R
R
Sodium hydroxide
=<50%
R
R
Sodium hydroxide
>50%
NR
NR
Sulfuric acid <75%
R
R
75% to 93%
R
R
93% to 98+%
R
R
R = Recommended.
S= Satisfactory for occasional contact at some
concentrations – consult Flowserve Materials
Engineering Department.
NR = Not recommended.