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Fiberglass Grating CORROSION RESISTANCE GUIDE
CHEMICAL CONCEN TRATION POLYESTER FR ISOHTHALIC  POLYESTER FR
VINYL ESTER RESIN
25℃ 52℃ 25℃ 52℃ 53℃~93℃ 25℃ 52℃ 53℃~93℃
1．ACIDS
SULFURIC ACID
25%  /  50%
S /Q
S/Q
S/S
S/S
S/S
S/S
S/S
S/S
HYDROCHLORIC  ACID
31%
S
Q
S
Q
U
S
S
S
NITRIC ACID
5%  /  50%
S/Q
Q/U
S/S
S/U
U/U
S/S
S/S
S/Q
CHRONIC  ACID
30%
S
S
Q
U
U
S
S
S
PHOSPHORIC  ACID
50%
Q
Q
S
S
S
S
S
S
2．ALKALIES
SODIUM  HYDROXIDE
5%
S
Q
S
Q
U
S
S
S
CALCIUM HYDROXIDE
 
S
Q
S
Q
U
S
S
S
SODIUM CARBONATE
10%
Q
Q
Q
U
U
S
S
S
POTASSIUM CARBONATE
10%
S
Q
Q
U
U
S
S
S
AMMONIUM BICARBONATE
25%
S
Q
S
S
S
S
S
S
3．OTHERS
ORDINARY  WATER
 
S
S
S
S
S
S
S
S
DISTILLED WATER
 
Q
Q
S
Q
U
S
S
S
HYDROGEN PEROXIDE
5~10%
S
U
S
S
S
S
S
Q
CHLORINE WATER
Satured
S
U
S
Q
U
S
S
Q
4．SALTS
ALUMINUM  POTASSIUM
SULFATE
 
S
S
S
S
S
S
S
S
AMMONIUM  CHLORIDE
 
S
S
S
S
S
S
S
S
AMMONIUM  NITRATE
 
Q
U
S
S
S
S
S
S
AMMONIUM
 SULFATE
 
S
S
S
S
S
S
S
S
FERRIC CHLORIDE
 
S
S
S
S
S
S
S
S
NICKLE NITRATE
 
S
S
S
S
S
S
S
S
ZINC SULFATE
 
S
S
S
S
S
S
S
S
SODIUM  SULPHITE
10%
S
S
S
S
S
S
S
S
SODIUM ACETATE
5%
S
S
S
S
S
S
S
S
SODIUM HYPOCHLORITE
10%
Q
Q
S
S
S
S
S
S
CALCIUM HYPOCHLORITE
 
Q
U
S
S
U
S
S
Q
MAGNESIUM CHLORIDE
 
S
S
S
S
S
S
S
S
POTASSIUM
PERMANGANATE
 
S
S
S
S
S
S
S
S
SODIUM NITRATE
 
S
S
S
S
S
S
S
S
5．ORGANICCHEMICALS
GASOLINE
 
S
U
S
U
U
S
U
U
KEROSENE
 
S
S
S
S
S
S
S
S
ALCOHOL  METHYL
 
Q
U
Q
U
U
S
S
U
ALCOHOL  ETHYL
 
/
/
S
/
/
S
S
/
GLYCOL
25~75%
S
U
S
S
Q
S
S
S

S--EXCELLENT CORROSION RESISTANCE
Q-- CORROSION RESISTANCE
U--NO CORROSION RESISTANCE
 
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