Ptfe Coated Bolts Suppliers, Supplies A Full Range Of PTFE Coated Bolts And Nuts, Teflon Coated Fasteners, PTFE Coated Stud Bolts At Factory Price In India
What is PTFE Coating?
Polytetrafluoroethylene(PTFE) is a tetrafluoroethylene synthetic fluoropolymer with various applications. It is a fluorocarbon element as it is a large molecular compound made up entirely of carbon and fluorine. It is hydrophobic: no water or water-containers react with PTFE, because of the high electronegativity of fluorine, fluorocarbons which posses London dispersion forces. It has one of the lowest friction coefficients of all solids and is used in pans and other cookwares as a non-stick coating. It shows vey less reactivity, partially due to the strength of C-F bonds and is therefore mostly used for storage of reactive and corrosive chemicals in containers and pipes.
Where PTFE Coating Use?
PTFE is extensively used as a coating for Fasteners used in Oil & Gas, Marine & Offshore applications. PTFE coated fasteners stands exceptional to Salt Spray Test. It has outstanding release capabilities and can withstand a maximum use temperature of 600°F, higher than any fluoropolymer. This coating is typically applied to a thickness of 1-3 mils. Ptfe is also commonly referred by their tradename/brands, teflon, xylan, etc. These fluoro poly makes excellent choice for agressive environment. Ptfe or teflon coated fasteners are widely used in onshore and offshore engineering applications.
Why to use PTFE Coating?
PTFE coated fasteners have a layer of PTFE applied to their surfaces. The coating serves several purposes:
- Reduced Friction: PTFE is known for its low friction coefficient. Coating fasteners with PTFE helps reduce friction between the threads, making it easier to tighten or loosen them.
- Corrosion Resistance: PTFE provides a protective barrier against corrosion.
- Chemical Resistance: PTFE is highly resistant to various chemicals, which adds another layer of protection against corrosive substances that the fasteners might come into contact with.
- Nonstick Properties: The nonstick nature of PTFE helps prevent materials from adhering to the fastener's surface, which can be beneficial in applications where cleanliness and smooth operation are essential.
- Temperature Resistance: PTFE can withstand a wide range of temperatures, making it suitable for applications that involve exposure to both high and low temperatures.
PTFE Coating Specifications
| Tensile Strength (ASTM D1708) |
3000-5000 psi |
| Elongation (ASTM D1457) |
300-500% |
| Impact Strength (ASTM D256) |
3.5 ft-lb/in |
| Hardness (ASTM D2240) |
50-65 HB (shore D) |
| Abrasion Resistance (Tabor) |
12 mg |
| Coefficient of Friction (ASTM D1894) |
0.12 -0.15 static, 0.05 -0.10 dynamic |
| Dielectric Strength (ASTM D149) |
450 volts per mil |
| Use Temperature |
600°F max |
| Melting Point |
625°F |
| Thermal Conductivity |
1.7 BTU-in/h-ft 2-°F |
| Chemical Resistance (ASTM D543) |
Excellent |
| Salt Spray Resistance (ASTM B117) |
Fair |
| Water Absorption (ASTM D570) |
0.01% |
| Thickness |
20 - 40 Microns |
PTFE Coated Fasteners
PTFE Coating Bolts
- PTFE Coated Heavy Hex Bolts
- PTFE Coated Hex Bolts
- PTFE Coated Lag Bolts
- PTFE Coated Anchor Bolts
- PTFE Coated Carriage Bolts
- PTFE Coated Allen Cap Bolt
- PTFE Coated Countersunk Bolts
- PTFE Coated Flange Bolts
- PTFE Coated Square Bolts
- PTFE Coated Hex Head Bolts
- PTFE Coated U Bolts
- PTFE Coated Eye Bolts
PTFE Coated Studs Types
- PTFE Coated Stud Bolts
- PTFE Coated Double Ended Studs
- PTFE Coated Tie Bars
- PTFE Coated Threaded Rod
- PTFE Coated Tie Rods
PTFE Coated Nuts Types
- PTFE Coated Acorn Nuts
- PTFE Coated T Nuts
- PTFE Coated Serrated Flange Nuts
- PTFE Coated Nyloc Nuts
- PTFE Coated Wing Nuts
- PTFE Coated Panel Nuts
- PTFE Coated Coupling Nuts
- PTFE Coated Dome Nuts
- PTFE Coated Square Nuts
- PTFE Coated Hex Head Nuts
- PTFE Coated Hex Nuts
- PTFE Coated Eye Nuts
- PTFE Coated Heavy Hex Nuts
- PTFE Coated Lock Nut
- PTFE Coated Self Locking Nuts
- PTFE Coated Nylon Insert Nuts