Flowserve Polybase baseplates Manual de usuario descargar pdf (Pagina 10)

Polybase Baseplate INSTRUCTIONS ENGLISH 71569284 – 12-10

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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.

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