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Chemical compatibility chart

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Attention:

All the information in this chemical compatibility chart is only approximate and should only be used for an initial choice of the type of materials best suited for the customers’ pumps. The data comes from various highly reliable sources. Despite this, GemmeCotti itself did not carry out the relative tests, and is not responsible for the preciseness of the data. Therefore, GemmeCotti takes no responsibility for possible malfunctions or damages of any type caused by the incorrect selection of construction materials and/or of the incorrect choice of pump size if it is not made by GemmeCotti itself after having received all pertinent information regarding the application and the characteristics of the pumped liquid.

Legenda:

A= Very good
B= Good
C= Poor, not recommended
D= Very poor, not recommended
1. Good until 22°C (72°F)
2.Good until 48° C (120°F)

Pump materials o-ring materials
CHEMICAL PP PVDF AISI 316 EPDM Viton PTFE
Acetone A D A A D A
Acetic Acid B C B A B A
Acetic Acid 20% A A A A B A
Acetic Acid 80% A C B A B A
Acetic acid, glacial A1 A1 A B D A
Hydrochloric Acid < 33% A2 A D A2 A A
Hydrofluoric Acid 50% D A D D B A
Hydrofluoric Acid 100% C1 A B1 D B A
Phosphoric Acid < 40% A A C A A A
Phosphoric Acid > 40% A A D A A A
Sulfuric Acid (10-75%) A1 A D B2 A2 A
Sulfuric Acid (75-100%) C1 A D B1 A1 A
Sulfuric Acid 100% D D A D A A
Sea Water A A C A2 A A
Water, Distilled A A A A A A
Water, Acid, Mine A A B A A A
Alcohols:Ethyl A A A A A A
Alcohols:Isopropyl A2 A B A A A2
Alcohols:Methyl A2 A A A C A
Alcohols:Propyl A A2 A A A A
Amines B2 0 A B D A2
Ammonia, liquid A2 A A2 A D A
Gasoline (high-aromatic) A A A D A B
Chlorine, Anhydrous Liquid D A1 C B A A
Ferric Chloride A A D A A A
Detergents A A A1 A A A
Fuel A1 A A1 D A A
Ether D B1 A C C A
Phenol (Carbolic Acid) B A1 B B A A
Glucose A A A A A A
Hydrogen Peroxide 10% A A B A A A
Hydrogen Peroxide 30% B1 A B B A A
Naphtha B A A D A B
Nickel Chloride A A C A1 A A
Fuel Oils A B A D A B
Olive oil A 0 A D A A1
Hydraulic Oil (Petro) D A A D A A
Oil: Hydraulic Oil (Synthetic) D A A A A A
Motor oil A1 B A2 D 0 A
Copper Chloride A A D A A A
Copper Sulfate > 5% A A B A A A
Rosins A2 0 A1 0 A A
Salt Brine A A A2 A A2 A2
Tin Salts A A D B A A
Soap Solutions A A1 A1 A A A
Sodium Bicarbonate A A A1 A2 A A
Sodium Bisulfite A A B1 A2 A A
Sodium Carbonate A A A A2 A A
Sodium Chloride A A B A A A
Sodium Hydroxide (10%) A C 0 A C 0
Sodium Hydroxide (40%) A C 0 A C 0
Sodium Hydroxide (50%) A C B1 A D A
Sodium Hypochlorite (12,5%) C A C A A A
Sodium Hypochlorite (100%) C A C B1 A1 A
Aluminum Sulfate A A B2 A A A
Lacquer Thinners D 0 A D D A
Photographic Developer A 0 A B A A
Toluene (Toluol) C1 A1 A D C A
Urea A A B A A A

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