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TECHNICAL ANNEX<br />
MATERIALS-TABLE SEALANTS<br />
NAME | MATERIAL BRAND NAME TEMPERATURE CHARACTRISTICS<br />
NBR NITRILE BUTADI<strong>EN</strong>E RUBBER PERBUNAN ® -10°C +90°C Excellent mechanical properties such as high abrasion resistance,<br />
high tear and tensile strength, and low compression set.<br />
Resistant to water, air, oil, gasoline and gas, aliphatic hydrocarbons,<br />
such as propane, butane, gasoline Mineral oils and greases,<br />
diesel fuel; flame retardant pressure fluids of the HFC group<br />
Vegetable and animal oils and greases Silicone oils and greases<br />
Water (special grades up to 100°C) Many dilute acids, bases and<br />
salt solutions at room temperature.<br />
Unstable against aromatic hydrocarbons (such as benzene,<br />
toluene) Chlorinated hydrocarbons (such as trichloroethylene)<br />
Highly flammable pressure fluids of the HFD-R group Polar solvents<br />
(such as acetone, acetic acid ectyl ester) and oxidizing<br />
media.<br />
EPDM<br />
ETHYL<strong>EN</strong>E-PROPYL<strong>EN</strong>E DI-<br />
<strong>EN</strong>E-MONOMER RUBBER<br />
BUNA AP ® -20°C +130°C Good mechanical strength, robust, fire resistant.<br />
Resistant to heat, water and water vapor, ozone and sunlight,<br />
alkali, mild acidic or oxygenated solvents, aggressive chemicals,<br />
brake fluids and other phosphate ester based hydraulic fluids.<br />
Unresistant to gasoline, mineral oil, lubricants, and hydrocarbons.<br />
FKM-FPM FLUORINE-CAOUTCHOUC VITON ® -10°C +180°C Very good abrasion resistance, antistatic.<br />
Resistant to high temperatures, mineral oils and lubricants, aliphatic,<br />
aromatic and also special chlorinated hydrocarbons, gasoline,<br />
diesel fuels, silicone oils and lubricants. It can be used in<br />
high vacuum applications.<br />
Unresistant to amines, polar solvents, hot water and steam.<br />
PTFE POLYTETRAFLUOROETHYL<strong>EN</strong>E TEFLON ® -30°C +180°C Very good abrasion resistance, sliding properties, fireproof.<br />
Resistant to in almost all media, bases, alcohols, ketones, benzines,<br />
oils, etc. Suitable for higher temperatures.<br />
Unresistant to liquid sodium and fluorine compounds.<br />
POM POLYOXYMETHYL<strong>EN</strong> DELRIN ® -10°C +80°C Very high strength, stiffness and toughness.<br />
Resistant to dilute acids (pH > 4) as well as dilute alkalis, aliphatic,<br />
aromatic and halogenated hydrocarbons, oils and alcohols.<br />
Very high resistance to pressure and abrasion, low water<br />
absorption, recommended for use with hydraulic oils.<br />
Unresistant to acids (pH < 4) and oxidizing media.<br />
VMQ VINYL METHYL QUALITY SILICON ® -55°C +200°C Very good stretchability and insulation.<br />
Resistant to oxygen, ozone and UV radiation, aliphatic engine<br />
and gear oils, water up to 100 °C high molecular chlorinated hydrocarbons.<br />
Unresistant to mechanical loads.<br />
PA POLYAMIDE NYLON (RILSAN)<br />
®<br />
-30°C +115°C<br />
Medium to high hardness, strength, stiffness.<br />
Resistant to oils, greases, fuels, aliphatic and aromatic hydrocarbons,<br />
esters and ethers.<br />
Unresistant to acids, concentrated alkalis and phenols.<br />
CR CHLOROPR<strong>EN</strong>E RUBBER NEOPR<strong>EN</strong> ® -40°C +100°C Very good dynamic properties, flame retardancy.<br />
Resistant to mineral oil-based liquids or oxygen, silicone oils,<br />
greases and refrigerants, ammonia, freon, very good ozone<br />
weather and aging resistance.<br />
172 TECHNICAL ANNEX<br />
O TABLE OF CONT<strong>EN</strong>T
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