P.T.F.E / FLUOROPOLYMER COATED NUTS

BLINEX FILTER-COAT PVT. LTD. offers a superior quality range of P.T.F.E Coated Nuts, engineered for demanding service conditions where corrosion resistance, controlled friction, and long service life are critical. These nuts are coated with fluoropolymer / fluorocarbon / P.T.F.E systems and are typically used in combination with ASTM A193 B7 studs and bolts.

P.T.F.E-coated nuts are widely used in oil & gas, offshore, marine, chemical processing, power plants, and heavy engineering applications, ensuring reliable joint integrity even in aggressive environments.

Key Features & Benefits

Excellent Corrosion Resistance
Protects against moisture, chemicals, salt spray, and industrial atmospheres.
Low Coefficient of Friction
Ensures smooth tightening and controlled torque application.
Consistent Tensioning
Reduces torque scatter and improves joint reliability.
Ease of Installation & Removal
Prevents galling, seizing, and thread damage.
Long Service Life
Minimises maintenance and replacement frequency.

Typical Applications

Oil & gas pipelines and flanges
Offshore platforms and marine structures
Chemical plant equipment
Pressure vessels and heat exchangers
Power generation and infrastructure projects

Technical Specifications (Typical Values)

Property	Specification
Working Temperature Range	Up to +260°C
Salt Spray Resistance	Up to 3,000 hours (ASTM B117 – nuts not frozen)
Pencil Hardness	5H – 6H (ASTM D3363-92A)
Kinetic Friction Coefficient	0.06 – 0.08
Coating Thickness	Nominal 0.001” (1 mil)
Impact Resistance	160 in-lb (ASTM D2794-93)
Adhesion	5B (ASTM D3359-95)
Elongation	35% – 50%
Tensile Strength	4,000 psi
Operating Pressure Capability	Up to 100,000 psi

Values may vary based on coating system and application requirements.

Summary

P.T.F.E coated nuts from BLINEX FILTER-COAT PVT. LTD. deliver corrosion protection, precise torque control, and dependable performance for critical bolted joints. They are an ideal solution wherever conventional fasteners fail due to corrosion, galling, or inconsistent tensioning.

BLINEX FILTER – COAT PVT. LTD.

POLYPOR™ – Sintered Porous Plastic Filters
TEFCOT™ – P.T.F.E / Fluoropolymer Coatings
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📍 Address: BLINEX FILTER – COAT PVT. LTD.
A-3, Nand Bhuvan Industrial Estate, Mahakali Caves Road, Andheri (East), Mumbai – 400 093, India

📩 Contact Us for Custom Orders & Inquiries

👤 KIRTAN DHAMI
(Director – Technical & Exports)

📞 Mobile: +91 98920 60191

📧 Email: info@blinexindia.com | kirtandhami@gmail.com

🌐 Website: www.blinexindia.com