What you need to know about PTFE Coated Fasteners
What are PTFE Coatings?
PTFE coatings (Polytetrafluoroethylene) are non-stick, fluoropolymer, high temp coatings. They have a one-coat system or a two-coat system of a primer and topcoat and have some features that make them go-to coatings. This specific type of coating has the highest operating temperature of all fluoropolymers at 500°F, a low coefficient of friction, as well as good chemical resistance and abrasion resistance. Its non-reactive properties, due to sturdy carbon–fluorine bonds, makes this coating great for applications that must hold up against volatile and corrosive chemicals.
PTFE Coated Fasteners Technical Specification:-
| Technical Specification | |
|---|---|
| Use Temperatures | Working temp. range up to 500°F |
| Corrosioin Resistance | Salt Spray (ASTM B117) up to 3,000 hrs (Nuts not frozen) |
| Pencil Hardness | 5H – 6H (ASTM D3363-92A) |
| Kinetic Friction Coefficient | 0.06 – 0.08 |
| Thickness | Nominal 0.001” (1 mil) |
| Impact | 160 in lb (ASTM D2794-93) |
| Adhesion | 5B (ASTM D3359-95) |
| Elongation | 35%-50% |
| Tensile Strength | 4,000 psi |
| Operating Pressure | Up to 100,000 psi |
General Requests While Ordering PTFE Coated Fasteners:-
- Supply of wrong grades
- Very hard material for use
- No Mill test report
- Poor surface finish
- Lack of knowledge
- Dubious Practices
- High pricing of the goods due to supplier commission
- Product fails under high pressure
- No control on quality and testing
- High rejection rate
- Late deliveries
- Poor packaging/ Unprofessional Packing
- Non availability
What industries use PTFE coatings?
PTFE coatings are used in a variety of industries, but is most known for its use in bakeware, automotive, chemical, and oil and gas. Some mutual end uses for PTFE coatings include slide gates, hinges, blades, AC pistons, springs, bearings, automotive components, steel, lawn and garden equipment, and guide rails.
PTFE is short for Polytetrafluoroethylene, a chemical applied to mutual bolting materials (such as B7 stud bolts) to provide corrosion and chemical resistance. PTFE coated fasteners provides special corrosion resistance, low coefficient of friction, consistent tensioning and subsequent ease of installation and removal. General testing and field use have proven that the future of coated fasteners lies with Fluoropolymer coatings. Before hot dip, galvanized, cadium or zinc plated fasteners were considered the standard. But these coatings could not stand up to the corrosive atmospheres prevalent in many industries.
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Each PTFE Coated Fasteners is otherwise designed based on the characteristics of the applying and additionally the pressure. Consequently, different industries use different PTFE Coated Fasteners. We also produce customized PTFE Coated Fasteners Products at our factory as per our client’s requirements. For any types of PTFE Coated Fasteners Price List Call on +91 9152160158 or drop an Email to infobmi32@gmail.com | exportbmi32@gmail.com
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