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Chemical Resistant PTFE Coated Fasteners Wholesale

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Chemical Resistant PTFE Coated Fasteners Manufacturers

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Introduction

PTFE (Polytetrafluoroethylene), or Teflon, coated fasteners are the preferred solution for highly corrosive and chemical processing environments, especially in the Oil & Gas, Petrochemical, and Marine industries. The PTFE coating provides a low-friction, non-stick, and highly chemical-resistant barrier over the base metal (often B7 or B8M stud bolts). This coating prevents galling and makes installation and future removal significantly easier, even after prolonged service in harsh conditions.

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Specification

Coating Type

PTFE (Fluoropolymer)
Base Material

ASTM A193 B7, A193 B8M, A320 L7
Corrosion Rating

Exceeds standard coatings (Salt Spray hours)
Temperature Range

-320°F to 500°F (Resistant to heat cycling)
Primary Color

Blue, Green, or Black (Customizable)

Applications

  • Offshore Platforms: Resisting extreme salt spray and marine corrosion.

  • Chemical Plants: Used on flanges handling strong acids, caustics, and solvents.

  • Refineries: Bolting on process piping and heat exchangers.

  • Water Treatment Facilities: Exposure to chlorine and other aggressive purifying chemicals.

Advantages</h4 class="SIF-h4-advantage">

  • Superior Chemical Inertness: Unmatched resistance to almost all corrosive industrial chemicals.

  • Anti-Galling Properties: The low coefficient of friction prevents seizing, crucial for stainless steel pairings.

  • Easy Removal: Facilitates maintenance and turnaround operations, reducing downtime.

  • UV and Weather Resistance: Maintains integrity under prolonged outdoor exposure.

Payment & Shipping

These are specialized, made-to-order fasteners. We require a 30% advance payment and the balance upon inspection. Shipment involves specialized, climate-controlled packaging (if necessary) to ensure the coating remains intact. We handle all necessary export documentation for hazardous-duty industrial supplies.

FAQ

  • Q: Does the PTFE coating affect the required torque values?
  • A: Yes. Due to the extremely low friction of the PTFE coating, the torque required to achieve a specified pre-load is significantly lower than for uncoated, galvanized, or plain fasteners. Always consult specific PTFE torque charts provided with the product.
  • Q: What is the benefit of a colored PTFE coating?
  • A: Different colors (e.g., blue, green, red) are often used to signify the base material (e.g., B7, B8M) or the strength grade of the fastener, providing quick visual identification in the field during installation and inspection.

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Steady-Ind

Steady-Ind - Pursue quality and cast high-quality goods.

STEADY manufactures over a thousands different types of blind rivet nut in steel,aluminium and stainless steel,thread size from M3-M16 in metric and UNC #6-32 to UNC 1/2-13 in inch. High advantage in stainless steel blind rivets both for open and sealed type, mutigrip,monobolt and other structural rivets. As China Chemical Resistant PTFE Coated Fasteners Manufacturers and Chemical Resistant PTFE Coated Fasteners Factory, we focus on "one stop shopping" and with advantage of large production capacity , consistent quality, competitive prices, punctual delivery and goods serverices before and after sales, STEADY has become one of the leading blind fasteners manufacuture & supplier in Asia.

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