Gasket for Plate Heat Exchanger

Conventional rubber raw materials

Nitrile rubber(NBR)

Usage
temperature(°C)

Hardness

Applicable Medium

-20~110

75±3

Mineral oil, fuel oil, lubricating oil, fatty oil,
inorganic acid, and alkali can be used at higher
temperatures

EPDM rubber(EPDM)

Usage
temperature(°C)

Hardness

Applicable Medium

-35~160

80±3

Various dilute concentrations of inorganic acids, sulfuric acid, hydrochloric acid, carbonic acid below 30%, steam below 0.5 MPa, including slightly acidic steam, also have good resistance to chemical solvents such as alcohols and aldehydes. Inorganic bases (caustic soda, soda ash), various concentrations of inorganic chlorides, and aqueous solutions (saltwater), etc. Ammonia, ammonia water, organic amine compounds.
Bleach solution, disinfectant chlorine (hydrogen peroxide, potassium permanganate solution, etc.), food and beverage media, etc.

High temperature nitrile(HNBR)

Usage
temperature(°C)

Hardness

Applicable Medium

-35~160

75±3

High temperature oil, edible oil, mineral oil A

Tetrafluoroelastomer (Fluororubber FTP)

Usage
temperature(°C)

Hardness

Applicable Medium

-20~180

80±5

Concentrated sulfuric acid and nitric acid below 60 degrees Celsius, various concentrations of hydrochloric acid. Various oxidants such as bleach solution.
Various acidic electroplating solutions, various concentrations of caustic soda and soda ash. Polar solvents, alcohols, ethylene glycol, etc., especially at higher temperatures.
Acid resistance deterioration, saturated saline solution, ammonia solution and other working conditions.
Good alkali and chloride resistance.

Fluororubber (F26)

Usage temperature(°C)

Hardness

Applicable Medium

-55~220

80±5

Non grade mineral oil at high temperatures. Such as pump oil, diesel, gasoline, lubricating oil, etc.
It can also be used for food oil.