Pure PTFE Plates and Gaskets
PTFE sheets and rods can be defined as a material that has superior properties due to the strong bonds between carbon and fluorine atoms in its molecular structure, is resistant to a wide variety of chemicals, and has a very wide application temperature range (between -250 and +250 °C). With additives such as carbon, bronze and glass fiber, it is possible to improve the resistance of PTFE material under wear and load, and its temperature resistance.
Pure PTFE Gaskets are always available in our stocks, both in pre-cut form and in plates in order to be able to cut special sizes. They can be purchased as 1500×1500 mm in plates of 1 mm, 2 mm and 3 mm thicknesses, or they can be supplied in pre-cut desired dimensions. PTFE (polytetrafluoroethylene) is a polymer with a linear macromolecular structure formed by the polymerization of tetrafluoroethylene. Its high viscosity and high shear precision do not allow thermoplastic processing using conventional techniques such as injection molding and screw extrusion. PTFE is cold compression molded and then sintered. Due to its unique combination of excellent properties, PTFE can be considered a special grade of engineering plastic.
PTFE sheets and rods can be defined as a material that has superior properties due to the strong bonds between carbon and fluorine atoms in its molecular structure, is resistant to a wide variety of chemicals, and has a very wide application temperature range (between -250 and +250 °C). With additives such as carbon, bronze and glass fiber, it is possible to improve PTFE material’s resistance to abrasion and load, and properties such as temperature resistance.
The properties of PTFE include excellent chemical and hydrolysis resistance, good electrical insulating properties, extremely low sliding friction coefficient (the smallest of all solids), and anti-adhesive surface properties. In addition, PTFE offers excellent UV and weather resistance.
What is Teflon Plate?
Teflon plate, which is one of the products used especially in the industrial sector and in great demand, consists of plastic material. Teflon plate, which has the feature of operating at high temperatures, has static and dynamic friction coefficients at temperature values between -260 C and +260 C. However, Teflon plates have a mechanically weak structure. It is often possible to add it to products such as bronze and fiberglass to remedy this weakness. Teflon plate products are also at the forefront with their high sliding rates.
What Does a Teflon Plate Do?
Teflon, also known as PTFE, has a molecular structure consisting of a long and straight carbon chain saturated with fluorine atoms. Teflon, which stands out with its resistance to heat, chemicals, humidity, electrical arc (dielectric), and friction, does not stick to any material. The friction coefficient is smaller than all solid bodies. Teflon starts to deteriorate at temperatures above 260°C and its structure is completely destroyed around 350°C.
How is Teflon Plate Used?
Teflon plate stands out with its features such as having a high temperature operating range and being heat resistant. It has a very low coefficient of friction and its mechanical strength value is quite weak. Therefore, if the counter surface is smooth, it gives very good results. It is possible to make alloy graphics, carbon, glass, bronze, glass fiber in order to minimize abrasions as much as possible and increase mechanical strength.
The processing of PTFE as a press-sintered part from ultrafine powder provides ideal conditions for producing compounds. For this reason, PTFE alloys are often filled with inorganic fillers, for example metal powders, to achieve very specific properties. Standard blends of PTFE compounds therefore have significant advantages in terms of mechanical-thermal behavior:
- Increase in wear resistance;
- Less deformation under load;
- Lower thermal elongation;
- Higher thermal conductivity.
PTFE materials can be exposed to continuous operating temperatures of up to +260 °C and peak temperatures of +280 °C for short periods with minimal mechanical stress. In this temperature range, there is no deterioration in the structure (depolymerization) that can change the properties. Flexibility and elongation at break are almost maintained even in the low temperature range down to -200 °C. The coefficient of thermal expansion of PTFE reaches a peak at the glass transition temperature at +19 °C and reaches values otherwise only achieved at high temperatures.
What are the Benefits of Teflon Plate?
Teflon plates have non-stick and coating properties. It is not possible for any substance other than glue to stick to the Teflon plate. Since Teflon has oleophobic and hydrophobic properties, Teflon coated surfaces do not hold moisture and provide deep cleaning. It is possible for Teflon sheets, which can operate at low temperatures, without losing their properties even at low temperatures such as -270°C/ -454°F. Teflon has features such as high insulating power and surface durability in wide frequency ranges.
Where is Teflon Plate Used?
Teflon plate is frequently used in the manufacture of cables used in computer technologies, in the manufacture of gaskets used in pumps and valves, in the manufacture of parts such as gears, etc., in fuel and hydraulic lines due to its very low fluid resistance.
Teflon plate can be used in manufacturing of O-ring, V-ring, gasket, felt, gland and similar sealing materials, bearings, bushings and circlips, electrical insulators, sliding supports, sheathed pipes, valves and fittings for corrosive material transfer, non-adhesive surface applications, and laboratory materials requiring chemical resistance.
Teflon plate is a high-performance thermoplastic with very low moisture absorption, exceptionally low coefficient of friction, and excellent dielectric strength. It is highly resistant to corrosion and hydrolysis, has a wide operating temperature, and is chemically inert (except for elemental alkali metals, chlorine trifluoride and elemental fluorine at high temperatures and pressures). PTFE sheet is also UV resistant, but is subject to friction and is not suitable for use with highly abrasive materials.
Due to its properties, PTFE can be used as a gasket, lining or bushing to contain highly aggressive chemicals. The material can also be used as a sliding plate or bearing in low friction applications and is suitable for use as an electrical insulator. If it is desired to stick the PTFE sheet with an adhesive, chemically etched options may be available that will adhere to materials such as metals, rubbers and other plastics.
It is commonly produced as gaskets, bushings, plain bearings, insulators, washers, slide plates and chemical linings for use in a wide range of industries.