NBR-NITRILE RUBBER-
It is a mostly preffered sealing raw material in many application. The ACN(Acrylonitrile) content varies 18%-50% and effects the NBR elastomer's properties directly. The higher ACN content is the better oil and fuel resistance and tensile strength, but reduces the low temperature flexibility and the compression set.
We use NBR compounds formulas with 30% and 45% ACN contents and that allows our standard NBR compounds to resist between -30°C and +100°C. This ratio can be increased to +120°C for short cycles.
SUITABLE MEDIUMS
-Aliphatic hydrocarbons.(Propane, butane, mineral oils)
-Vegetable oils and grease
-HFA-, HFB- and HFC- fluids
-Water (Special compounds up to +100°C)
UNSUITABLE MEDIUMS
-Aromatic hydrocarbons (Benzol)
-Polar solvents (Ketone, acetone, acetic acid)
-Strong acids
-Brake fluid with glycol base
-Ozone
FKM-FLUOROCARBON RUBBER-VITON
Due to CF in its compound, it has an excellent resistance to high temperatures, oils and fuels. It is known with Viton trade name. It can be work between -30°C and +220°C.
SUITABLE MEDIUMS
-Mineral oils and grease
-Non-flammable hydraulic fuels -HFD-
-Aliphatic hydrocarbons (Propane,butane,naturel gas)
-Aromatic hydrocarbons (Benzene, toluene)
-Silicone oil
-Ozone
UNSUITABLE MEDIUMS
-Polar solvents (Ketone, acetone, ethyll acetate)
-Low molecular organic acids (Formic and acetic acid)
-Brake fluids with glycol base
-Skydrol 500 and 7000
-Superheated steam
EPDM-ETHYLENE PROPYLENE DIEN RUBBER
Due to its chemical composition, it has an excellent oxidation, heat and ozone resistances. It can be used between -40°C and +150°C.
SUITABLE MEDIUMS
-Hot water and steam
-Brake fluids on glycol base
-Many organic and inorganic acids
-Many polar solvents (Ketones, ester)
-Skydrol 500 and 7000
-Silicone oil and grease
UNSUITABLE MEDIUMS
-Mineral oil product (Oils, fuels)
MVQ-SILICONE RUBBER
It has very large thermal working area (-50°C, +200°C). Its oil absorbtion property, reduces the friction but tear resistance, tensile strength and wear resistance are low.
SUITABLE MEDIUMS
-Engine and transmission oils (E.g.A STM oil Nr:1)
-Animal and vegetable oils
-Brake fluid (Non-petroleum base)
-Water (+100°C)
-Ozone
UNSUITABLE MEDIUMS
-Superheated steam
-Acids and alkalies
-Silicone oil
-Aromatic mineral oils
-Flues
-Aromatic hydrocarbons (Benzene, toluene)
PU-POLYURETHANE RUBBER
Comparing to other elastomers, it has perfect tensile strength, wear resistance and tear resistance. It can work between -30°C and +100°C.
SUITABLE MEDIUMS
-Aliphatic hydrocarbons (Propane, butane)
-Mineral oils and grease
-HFA-, HFB fluids
-Silicone oils
-Water (+60°C)
-Ozone
UNSUITABLE MEDIUMS
-Polar solvents (Ketones, ester, alcohol)
-Acids and alkalies
-Hot water and steam
PTFE-POLYTETRAFLUORETHYLENE
It's a high temperature resistant plastic material (-200°C, +260°C). Known with 'Teflon' trade name. It has low friction feature, good mechanical and excellent chemical characteristics.
It is resistant to all medias except alkaline metals, fluorine and some fluorine compounds.
Mechanical properties and heat conductivity are variable with different fillings (bronze, carbon, glass fibre).
PA-POLYAMIDE
It is used as guiding material in hydraulic and pneumatic systems. It can be filled with glass fiber for better resistance. It can work between -30°C and +120°C.