Operating media for sealing products from thermally expanded graphite

When using gaskets with metal components (base, reinforcing material or protection rings), their thermal and chemical resistance also depends on the resistance properties of metal.

Permissible concentration and temperature range for the below operating media are indicated in square brackets

INORGANIC GASES

  • Nitrogen [from -196°С tо +2000°С]
  • Nitrogen dioxide
  • Nitrogen (I) oxide
  • Ammonia
  • Hydrogen bromide
  • Air [from -196°С tо +500°С]
  • Oxygen[from -200°С tо +350°С]
  • Steam [up to +650°С]
  • Hydrogen suphide
  • Hydrogen[from -253°С tо +400°С]
  • Sulphur hexafluoride
  • Sulphur dioxide ) [up to +300°С]
  • Carbon dioxide [up to +600°С]
  • Carbon monoxide
  • Fluorine
  • Hydrogen fluoride
  • Dry chlorine
  • Hydrogen chloride
  • Inert gases : He, Ne, Ar, etc

INORGANIC ACIDS

  • Nitric [20-65 %, up to +20°С]
  • Nitric [up to 20 %]
  • Boric
  • Silicofluoride [up to 5 %]
  • Sulphuric [70-90 %, up to +100°С]
  • Sulphuric [up to 70 % ]
  • Sulfurous
  • Hydrochloric
  • Carbonic
  • Phosphoric [up to 20 %]
  • Hydrofluoric
  • Chromic [up to 10 %]

ALKALI

  • Ammonium hydroxide
  • Potassium hydroxide
  • Sodium hydroxide/span>

SALT SOLUTIONS

  • Acetate
  • Borate
  • Bromide
  • Hypochlorite
  • Iodide
  • Carbonate
  • Nitrate
  • Nitrite
  • Sulfate (including alum)
  • Sulfite
  • Thiosulfate
  • Phosphate ( including polyphosphate)
  • Fluoride
  • Chlorate
  • Chloride
  • ХChromate [up to 20 %]

MOLTEN SALT

  • Aluminium chloride [up to 550 °С]
  • Potassium and sodium borates
  • Potassium hydrogen sulfate
  • Potassium chloroaluminate (melt, vapor) [up to +550 °С]
  • Calcium chloride
  • Zirconium tetrachloride (vapors) [up to +450 °С]

METAL MELT

  • Aluminium
  • Gold
  • Potassium [up to +350°С]
  • Magnesium
  • Copper
  • Sodium [up to +400°С]
  • Tin
  • Mercury
  • Lead
  • Silver
  • Zinc

OTHER NON-ORGANIC SUBSTANCES AND MEDIA

  • Bromine water, chlorine water
  • Hydrazin
  • Sea water, river water
  • Bleaching agents
  • Fuel oil combustion products
  • Hydrogen peroxide[up to 85 % ]
  • Sulfur
  • Thionyl chloride

HYDROCARBONS

  • Acetylene
  • Benzene
  • Butane
  • Isooctane
  • Xylol
  • Methane, natural gas
  • Propane
  • Propylene (gaseous and liquefied)
  • Styrene
  • Ethylene (gaseous and liquefied)

HALOGENATED HYDROCARBONS

  • Paradichlorobenzene
  • Freon
  • Chlorobenzene
  • Chloroethylbenzene
  • Chloroform
  • Carbon tetrachloride

ALCOHOLS

  • Butanol
  • Glycol
  • Glycerin
  • Isopropanol
  • Methanol
  • Cyclohexanol
  • Phenol
  • Ethanol

ALDEHYDES

  • Acetaldehyde
  • Benzaldehyde
  • Formaldehyde

KETONE

  • Acetone
  • Isobutyl methyl ketone
  • Methyl ethyl ketone
  • Cyclohexanone

ORGANIC ACIDS

  • Acrylic
  • Tartaric
  • Hexachlorophenol acetic
  • Fatty acids ( oleic, palmitic,linoleic, ,etc)
  • Citric
  • Maleic
  • Monochloroacetic
  • Formic
  • Salicylic
  • Sulfonic
  • Trichloracetic
  • Acetic
  • Chromotropic
  • Phenylacetic
  • Folic
  • Phthalic
  • Oxalic

ETHERS

  • Amyl acetate
  • Dibenzyl ether
  • Diphenyl ether
  • Diethyl ether
  • Methyl acetate
  • Cellosolve (ethyl cellosolve, butyl cellosolve)
  • Ethyl acrylate
  • Ethyl butyrate

AMINES

  • Aniline
  • Diethylamin
  • Monoethylamin
  • Triethylamin

OTHER ORGANIC SUBSTANCES

  • Acrylonitrile
  • Dimethylsulfoxide
  • Carbon disulfide
  • Carbamide
  • Mercaptan
  • Nitrobenzene
  • Piridine
  • Silicone
  • Siloxane
  • Solid hydrocarbons (paraffin wax , ozokerite)
  • Acetic anhydride
  • Ethylchlorohydrin
  • Ethylenediaminetetraacetic acid and its salts

TECHNICAL FLUIDS AND MIXTURES

  • Hydraulic fluid
  • tar, creosote
  • Mineral oils , synthetic oils
  • Vegetable oil
  • Heavy oil products (fatty alcohol, vaseline, asphalt, goudron,etc)
  • Oil and petroleum of all types, classes according to GOST Р 51858
  • Hydrocarbon solvents ( petroleum ether, solvents ,etc) for paints and other purposes.
  • Transformer oil
  • Cutting fluids
  • Fuels (automobile fuel, jet engine fuel, gas-turbine oil, diesel oil, petrol, black oil fuel, kerosene, gasoil).
If you have any questions relating to resistance of the sealing product in the specific environment , we are ready to advise you on the issue.

Личный кабинет

Извините, личный кабинет на данный момент
находится в разработке.

LEAVE YOUR REQUEST


When you press SEND you express your consent to the Company Policy of personal data processing
Scroll to Top