Material | Operating temeperature | Approved usage | Disapproved ussage |
MVQ / VMQ
|
Operational usage:
-50 till +150°C
Short-term steam usage:
till 120°C
|
High temneperature ballast.
Resistant to cold.
Suitable for food.
Non-conducting.
Good-resistant to alcohols.
|
Low molecular esters and ethers.
Aliphatic and aromatic hydrocarbons.
Concentrated acids and alcals.
|
EPDM
|
Operational usage:
-40°C till +140°C
Short-term steam usage:
till 130°C
|
Diluted inorganic and organic acids.
Oxidatively active media, lyes, ketones.
Hot water and steam till 130 °C.
|
Vegetable and animal oils.
Aliphatic, aromatic and chlorinated hydrocarbons.
Mineral oils.
|
FKM / FPM
|
Operational usage:
-20°C till +200°C
Short-term steam usage:
till 140°C
|
Mineral oils.
Vegetalble and animal oils.
Lubricants (including some additives).
Fuels.
|
Polar solvent (acetone, methylketon, ethylacetate, diethylether, dioxane).
Low molecular organic acids (formic, acetic acid).
Ammonia gas, amins, alkanes.
Overheated water steam.
|
NBR
|
Operational usage:
-40°C till +110°C
Short-term steam usage:
till 130°C
|
Aliphatic hydrocarbons (propane, butane, petrol, mineral oils).
Lubricants based on mineral oil.
|
Polar solvent.
Chlorinated hydrocarbons.
Ketones.
Aromatic hydrocarbons (benzene).
Esters.
|