Chemical-Resistance-Table-Version-2-Reduced

Terms of Use
The information in this table has been collected from third party sources as well as Crest
Pumps Groups own database and should only be used as a guide when selecting the
most appriopriate equipment for your application.
Before permanent installation, consult Crest Pumps Group directly and test equipment
with the chemical under sumilar conditions of your application.
Ratings of chemical behaviour based on this database apply at a 24 hr exposure period.
Crest Pumps Group have not tested the possible effects beyond a 24hr period. Therefore
Crest Pumps Group cannot accept liability for serious injury or misuse of chemicals.
This table is based on Crest Pumps Group's own findings and therefore does not imply
that any material is suitable for any purpose.
When handling chemicals, be sure to use suitable guards and personal protection to
ensure user safety.
Crest Pumps Group
01425 627700
info@crestpumps.co.uk
www.crestpumps.co.uk

Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Chemical
Formula Conc %
Temp
C
Specific Gravity
Viscosity cP
PP
PVC
PVDF
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
Acetic Acid

Chemical
Formula Conc %
Temp
C
Specific Gravity
Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Viscosity cP
PP
Ammonium Phosphate ALL 20 A A A A A X A A Single MSH-ESSS
NH 4 H 2 PO 4 40 A B A A A
60 A X A A A
100 X A A
Ammonium Sulphate SAT 20 1.23 A A A A A A B A A A A A Single MSH-ESSS
(NH 4 ) 2 SO 4 40 A B A A A
60 A X A A A
100 X A A
Ammonium Sulphide ALL 20 1.05 A A A A A A B A A Single MSH-ESSS
(NH 4 ) 2 S 40 A B A B A
60 A X A X A
100 X
Amyl Acetate 100 20 0.88 B X A B A A A A A A X B Refer to Crest
CH 3 (CH 2 ) 4 –OOCCH 3 40 B B A
60 X B A
100 A
Amyl Alcohol 100 20 0.81 B A A B A A A A A A B A Single MSH-ESSS
CH 3 (CH 2 ) 3 -CH 2 -OH 40 A B A A
60 A X A A
100 A A
Aqua Regia 20 1.14 B A B X A X A A B X Single MSC-PPSC
HN0 3 +HCI 40 X B A A
60 X A A
Arsenic Acid 80 20 A A A A A A A A A Refer to Crest
H 3 AsO 4 40 A B A A A
60 A X A A A
100 X A A
Barium Carbonate ALL 20 A A A A A A B A A A A A
40 A A A A A A A
60 A A A A A A A
80 A A A A A A A
100 A A A A A
Barium Salts ALL 20 A A A A A Refer to Crest
40 A B A A A
60 A X A A A
100 A A A
Beer 20 1.01 1.80 A A A A A A A A A A A A Single MSH-ESSS
40 A B A
60 A X A
100 X A
Benzene 100 20 0.87 1.00 X X A X A A A A A A A X Refer to Crest
40 X A A
60 B A
100 X A
Boric Acid ALL 20 1.03 A A A A A A A A A A A A Single MSC-PPSC
H 3 BO 3 40 A B A A A A
60 A X A A A A
100 A A A A
Bromine Water ALL 20 X X A X A X A A A A X
40 A A A A A
60 A A
80 A A
100 A
Butyl Acetate 100 20 0.88 B X A A A A B A Refer to Crest
CH 3 COOCH 2 CH 2 CH 3 40 X B A X X
60 X A
100 A
PVC
PVDF
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
info@crestpumps.co.uk www.crestpumps.co.uk Page 2

Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Chemical
Formula Conc %
Temp
C
Specific Gravity
Viscosity cP
PP
PVC
PVDF
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
Calcium Chloride SAT 20 A X A A A A B A A A A A Single MSC-PCSC
CACl 2 40 A B A A A A
60 A X A A A A
100 B A A B
Calcium Hydroxide SAT 20 A A A A A A B A A A A A Single MSH-ESSS
CA(OH) 2 40 A B B A A A A A A A
60 A X B A A A A A A A
100 X X A A A
Calcium Hypochlorite SAT 20 A A A A A A B A A A A A Single MSC-PCSC
CA(OCl) 2 40 A B A A A A A A A A
60 A X B A A A A A
100 X B A
Calcium Nitrate 50 20 1.90 A A A A A A B A A A Single MSC-PCSC
CA(NO 3 ) 2 40 A B A A A
60 A X A A A
100 X A A
Carbon Tetrachloride 100 20 1.60 X X A A A X Refer to Crest
CCI 4 40 A A A
60 B A A
100 A
Caustic Potash
(see potassium Hydroxide)
Caustic Soda
(see Sodium Hydroxide)
Chloride of Lime
(see Calcium Hypochlorite)
Chlorine Water SAT 20 B B A X A X A A A B B Single MSC-PCSC
40 X X A A A A A
60 A A A A A
100 A A A A
Chloroacetic Acid 50 20 1.60 X A A X A A A A X B Refer to Crest
CICH 2 COOH 40 A B B
60 A X X
100 X
100 20 1.80 A A X X B
40 A B
60 A X
100 X
Chloroform 100 20 1.50 B X A X X A A A A B X Refer to Crest
CHCI 3 40 A X A A A A
60 1.41 A A A A A
100 A A A A A
Chlorosulphonic Acid 100 20 1.75 X B B X A A B A A A X X Refer to Crest
CISO 3 H 40 X X
Chromic Acid 50 20 B A A X A A B A X A A B Single MSC-PPSC
Cr0 3 +H 2 0 40 X B A A A A A B
60 X A A A B
100 B
100 20 1.20 B A A A B
40 X B A A
60 X A B
100 B
info@crestpumps.co.uk www.crestpumps.co.uk Page 3

Chemical
Formula Conc %
Temp
C
Specific Gravity
Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Viscosity cP
PP
Citric Acid 10 20 1.04 A A A A A A A A A A A A Single MSC-PPSC
40 A B A A A A
60 A X A A A A
100 X A A
Copper Chloride ALL 20 A A A A A A X A A A A A
40 A A A A A A A
60 A A A A A A A
80 A A A A A A A
100 A A A A
Copper Cyanide ALL 20 A A A A A A B A A A A A
40 A A A A A A A
60 A A A A A A A
80 A A A A
100 A A A A
Copper Salts ALL 20 A A A A A A Refer to Crest
40 B B A A A A
60 X X A A A A
100 A A
Copper Sulphate ALL 20 A A A A A A B A A A A A
40 A A A A A A A
60 A A A A A A A
80 A A A A A A A
100 A A A A A
Diesel Oil 20 0.95 B A A A A A A A A X Single MSH-ESSS
40 B A A
60 X A
Ethyl Acetate 100 20 0.90 A X B A A B A A A X B Single MSC-PCSC
CH 3 COOCH 2 -CH 3 40 B X B
60 B B
Ethyl Alcohol 96 20 0.79 1.20 A A A A A A A A A B A Single MSC-PCSC
CH 3 -CH 2 -OH 40 A B A A A A A A B A
60 A X A A A A A B A
100 A A A A B X
Ethylene Glycol 100 20 1.10 17.80 A A A A A B A A A A A Refer to Crest
HO-CH 2 -CH 2 -OH 40 A B A A A A A A A A
60 A X A A A A A A A A
100 X A A A A B
Fatty Acids (>c6) 100 20 A A A A A A A A A A A X Refer to Crest
R-COOH 40 A B A A
60 A X A A
Ferric Chloride ALL 20 1.42 12.00 A A A A A X A A A A A
40 A A A A A A A
60 A A A A A A A
80 A A
100 A A
Ferrous Sulphate ALL 20 1.90 A A A A A A B A A A A A
40 A A A A A A A
60 A A A A A A A
80 A A A A A A A
100 A A
Fluoroboric Acid ALL 20 1.37 A A A A A A B A A A A A
40 A A A A A A
60 A A A A A A
80 A A A A
100 A A
Flourine 100 20 1.11 X X X X X X A A X B X Refer to Crest
F 2 40
PVC
PVDF
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
info@crestpumps.co.uk www.crestpumps.co.uk Page 4

Chemical
Formula Conc %
Temp
C
Specific Gravity
Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Viscosity cP
Flourosilicic Acid 32 20 1.30 A X A A A A B A A A X B Refer to Crest
H 2 SiF 6 40 A B A B
60 A X A X
100 X A
Formaldehyde (Formalin) 40 20 0.81 A A A A A A A A A A A A Refer to Crest
HCHO 40 A B A A A A A A A A
60 A X A A A A A A A A
100 X A A A A
PP
PVC
PVDF
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
Formic Acid 50 20 1.10 1.20 A A A A A A A A A A A A Double MSH-VSSS
HCOOH 40 A B A A A A A A A A
60 B X A A A A A B B
100 X A A A A X
100 20 1.30 1.80 A A A A A A A A A A X A Double MSH-VSSS
40 B B A A A A A A A
60 X X A A A A A B
100 A A A A
Fuel Oil 20 0.89 B A A X A A A A A A A X Single MSH-ESSS
40 X B A A A A A A X
60 X A A A A A A
100 A A A A A
Hydrobromic Acid 50 20 1.50 A A A A A A X A A A A A Refer to Crest
HBr 40 A B A A A A A A A A
60 A X A A A A A A A B
100 A A A A A
Hydrochloric Acid 10 20 1.05 1.19 A A A A A X A A A A A Single MSC-PPSC
HCI 40 A B A A A A A A A A A
60 A X A A A A A A A A
100 X A A A A A A A
36 20 1.18 2.04 A A A A A A X A A A A A Single MSC-PPSC
40 A B A A A A A A B B
60 B X A A A A A A X X
100 X A A
Hydroflouric Acid 40 20 1.12 A A A X A A X A A A A X Refer to Crest
HF 40 A B A A A A A
60 A X A A A A B
100 X A A
70 20 1.26 A A A X A A X B A A A X
40 A B A A A A
60 B X A A A
100 X A
Hydrogen Peroxide 30 20 1.20 1.80 A A A A A A A A A A A B Single MSC-PPSC
H 2 O 2 40 A B A A A A A A A X
60 B X A A A A A A B
100 X A A A A
90 20 1.40 1.98 A A X A A A A A A B X Single MSC-PPSC
40 B A A A A
60 X A A A
Hydrogen Sulphide SAT 20 1.19 A A A A A A A A A A A A Refer to Crest
H 2 S 40 A B A A A B
60 A X A A A X
100 X A A B
Iodine Solution 20 A X A A A X A A Refer to Crest
(6.5% in Ethanol) 40 A
info@crestpumps.co.uk www.crestpumps.co.uk Page 5

Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Chemical
Formula Conc %
Temp
C
Specific Gravity
Viscosity cP
PP
PVC
PVDF
60 A
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
Iron Salts ALL 20 A A A A A Refer to Crest
40 A B A A A
60 A X A A A
100 X A A
Isopropyl Alcohol 100 20 1.00 A A A A A Single MSH-ESSS
(CH 3 ) 2.CH.OH 40 A B A A A
60 A X A A A
100 X A X
Kerosene ALL 20 0.82 A A A A A A A A A A A X
40 A A A A
60 A A A A
80 A A A A
100 A A A A
Lactic Acid 10 20 1.17 B A A A A A A A A A B Single MSC-PPSC
CH 3 CHOHCOOH 40 A B A A B B
60 A X B A B B
100 X X X X
Lead Acetate SAT 20 A B A A A A A A X A A A Refer to Crest
Pb(CH 3 COO) 2 40 A B A A A A
60 A X A A A A
100 X A A
Magnesium Salts ALL 20 A A A A A Refer to Crest
40 A B A A A
60 A X A A A
100 X A A
Methanol ALL 20 0.79 0.61 A A A A A A A A A A B A Single MSC-PCSC
CH 3 OH 40 A B A A A A A A A A B A
60 A X A A A A A A A A B A
100 X A A A A A A
Methyl Acetate 100 20 0.93 0.44 X X A X A A B A X B Single MSC-PCSC
CH 3 COOCH 3 40 A B
60 B
Methylene Chloride 100 20 1.32 B X A X A A A A A A B X Refer to Crest
CH 2 Cl 2 40 B A A A
60 B A A A
Methyl Ethyl Ketone 100 20 0.80 0.43 B X B B A A A A A A X A Single MSH-ESSS
CH 3 COC 2 H 5 40 B B B
60 B X
Nickel Chloride ALL 20 1.35 A A A A A A X A A A A A
40 A A A A A A A
60 A A A A A A A
80 A A A A A A
100 A A A A
Nickle Salts SAT 20 A A A A A A B A X A A A Refer to Crest
40 A B A A A
60 A X A A A
100 X A A
Nickel Sulphate ALL 20 A A A A A A B A A A A A
40 A A A A A A A
60 A A A A A A A
80 A A A A A A
100 A A A A
Nitric Acid 5 20 1.03 A A A A A A A A A A A A Single MSC-PPSC
HNO 3 40 1.02 B B A A A A A A A A A
60 1.01 B X A A A A A A A B B
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Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Chemical
Formula Conc %
Temp
C
Specific Gravity
Viscosity cP
PP
PVC
PVDF
100 0.99 X A A A X
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
40 20 1.25 B A A B A A A A X A A X Single MSC-PPSC
40 1.23 B B A A A A A A A
60 1.21 X X A A A A B B
100 1.16 A A X
65 20 1.39 2.50 X B A A X Single MSC-PPSC
40 X A B
60 A X
100 A
100 20 1.51 1.20 X X X X A A X A X X Single MSC-PPSC
Oleum 100 20 X X X X A A A A A A B X Single MSC-PPSC
H 2 SO 4 +SO 3
Paraffin Oil 20 0.86 A A A A A A A A A A A X Single MSH-ESSS
40 A B A A
60 B X A A
Perchloric Acid 10 20 1.10 X A A X A A X A A Refer to Crest
HCIO 4 40 X B A A A
60 X X A A A
100 X A X X
70 20 1.60 B B A A A Refer to Crest
40 X X A A A
60 A A A
100 A X
Phosphoric Acid 50 20 1.34 4.30 A A A A A A A A A A A A Single MSC-PCSC
H 3 PO 4 40 A B A A A A A A A A B
60 1.80 A X A A A A A A A B
100 X A A A A B X
85 20 1.58 28.00 A A A A A A A A A A A A Double MSH-VSSS
40 A B A A A A A A A A
60 8.10 A X A A A A A A A
100 X A A B X
Photographic Developer 20 A A A A A A A A A A A A Refer to Crest
40 A B A A A
60 A X A
Potassium Carbonate SAT 20 1.57 A A A A A Single MSC-PCSC
K 2 CO 3 40 A B B A A
(Potash) 60 A X B
100 X X
Potassium Chloride ALL 20 1.99 A A A A A A A A A Single MSC-PCSC
KCI 40 A B A A A
60 A X A A A
100 X A A A
Potassium Chromate SAT 20 2.68 A A A A A A B B A A A Refer to Crest
K 2 CrO 4 40 A B A A A
60 A X A A A
100 X A
Potassium Cyanide SAT 20 A A A A A A B X A A Refer to Crest
KCN 40 A B A B A
60 A X B X A
100 X
Potassium Dichromate ALL 20 2.68 A A A A A A B A A A A A
info@crestpumps.co.uk www.crestpumps.co.uk Page 7

Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Chemical
Formula Conc %
Temp
C
Specific Gravity
Viscosity cP
PP
PVC
PVDF
PP + GF
40 A A A A A A A
60 A A A A A A A
80 A A A A A A
100 A A A A A
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
Potassium Hydroxide 50 20 1.50 A A B A A A A A A A X A Double MSH-ESSS
KOH 40 A B B A A A A A A
60 A X B A A A A A
100 X X A A A
Potassium Permanganate SAT 20 2.70 A A A A A A B A A A A B Double MSH-VSSS
KMnO 4 40 A B A A A A A A A X
60 A X B A A A A
100 X A A A A A A
Sodium Bicarbonate SAT 20 2.16 A A A A A A A A A A A A Single MSH-ESSS
NaHCO 3 40 A B A A A
60 A X A A A
100 X B A
Sodium Bisulphate 10 20 A A A A A A X A A A A A Refer to Crest
NaHSO 4 40 A B A A B
60 A X A A X
100 X A A
Sodium Bisulphite ALL 20 1.33 A A A A A A B A A A B B Single MSH-ESSS
NaHSO 3 40 A B A X X
60 A X A A
100 X A
Sodium Carbonate SAT 20 2.54 A A A A A A A A A A A A Single MSH-ESSS
Na 2 CO 3 40 A B B A A A
60 A X A A A A
100 X X
Sodium Chloride ALL 20 1.20 2.40 A A A A A A A A A A A A Single MSC-PCSC
NaCI 40 A B A A A A A A A A
60 A X A A A A A A A A
100 X A A A A A X
Sodium Hydroxide 10 20 1.13 1.86 A A B A A A A A A A B A Single MSH-ESSS
NaOH 40 1.12 1.14 A B B A A A A A A B A
60 1.11 0.78 A X B A A A A A B A
100 1.09 0.40 X X A A A
Sodium Hydroxide 50 20 1.53 96.00 A A B A A A A A A A X B Double MSH-ESSS
NaOH 40 1.51 25.50 A B B A A A A A A X
60 1.50 10.40 A B A A A A A
100 1.47 3.41 X X A A A A
Sodium Hypochlorite 12.5 20 1.20 2.60 B A B X A A X A A A A X Double MSH-VSSS
NaOCI 40 X B B A A A A
60 X X A A
100 A
Sodium Nitrate SAT 20 1.20 A A A A A A B A X A A A Single MSH-ESSS
NaNO 3 40 A B A A A
60 A X A A A
100 X A Double MSH-ESSS
Sodium Nitrite SAT 20 1.20 A A A A A Refer to Crest
NaNO 2 40 B A A A
60 X A A A
100 A
Sodium Sulphate SAT 20 2.68 A A A A A A B A A A A A Single MSC-PCSC
Na 2 SO 4 40 A B A A A
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Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Chemical
Formula Conc %
Temp
C
Specific Gravity
Viscosity cP
PP
PVC
PVDF
60 A X A A B
100 X A A
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
Sodium Sulphide SAT 20 1.86 A A B A A A X A A A X A Refer to Crest
Na 2 S 40 A B B A A A A A A
60 A X B A A A A A A
100 X A A A
Sodium Sulphite SAT 20 A A A A A A A A A A Single MSC-PCSC
Na 2 SO 3 40 A B A A A
60 A X A A A
100 X A
Sulphuric Acid

Chemical Compatibility Table
Version 2 | 2015 Edition
01425 627700 | info@crestpumps.co.uk
Chemical
Formula Conc %
Temp
C
Specific Gravity
Viscosity cP
PP
PVC
PVDF
100 1.00 1.00 X A A A A A A A A
PP + GF
ETFE + CF
PTFE
316 St Steel
995 Ceramic
H.D. Carbon
SSiC
VITON
EPDM
Mechanical Seal
Xylene 100 20 0.88 0.81 X X A X A A B A A A A X Refer to Crest
40 A A A A B
60 B A A A X
Zinc Chloride ALL 20 1.81 A B A A A A B A A A A A
40 A A A A A A A A
60 A A A A A A A A
80 A A A A A A A A
100 A A A A A A
Zinc Sulphate ALL 20 1.20 A A A A A A A A A A A A
40 A A A A A A A A
60 A A A A A A A A
80 A A A A A A A A
100 A A A A A A
Zinc Salts ALL 20 A A A A A Refer to Crest
40 A B A A A
60 A X A A A
100 X A
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