DONIT DONIFLON® 2020 is a modified PTFE-based industrial gasket sheet produced by DONIT TESNIT, d.o.o. This gasket is widely used for sealing joints in pipes, valves, and flanges across various industries due to its outstanding chemical resistance.
What Is DONIFLON® 2020?
- Base material: Structurally enhanced PTFE (polytetrafluoroethylene) filled with silica
- Part of the DONIFLON® product line from DONIT TESNIT, a registered trademark in the European Union for PTFE sealing materials and related products
Key Characteristics
- Excellent chemical resistance, especially to a wide range of media and inorganic acids in various concentrations (except hydrofluoric acid)
- Improved creep resistance compared to standard PTFE, ensuring better dimensional stability under long-term load
- Operating temperature range: approximately –200 °C to +260 °C
- Maximum operating pressure: approximately 80 bar under normal service conditions
- Asbestos-free and resistant to many aggressive chemicals
Typical Applications
DONIFLON® 2020 is commonly used as a gasket material in:
- Chemical and petrochemical industries
- Pharmaceutical and food processing industries (compliant with FDA and EU food-contact regulations)
- Cooling systems and potable water supply
- Gas, steam, LNG, and cryogenic applications
- Pumps, compressors, valves, and flanged connections
Forms and Sizes
- Commonly supplied in sheet sizes of 1500 × 1500 mm
- Available thicknesses: 1.5 mm, 2.0 mm, and 3.0 mm
Summary
DONIT DONIFLON® 2020 is a high-performance PTFE gasket sheet designed for demanding industrial sealing applications, offering exceptional chemical and mechanical resistance across a wide temperature range.