dbde24e1-4012-47b6-8db4-e89ee4ca5a70 - Polypac

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Polypac Flexible PTFE Tubing

Polypac Flexible PTFE Tubing combines exceptional chemical resistance, wide temperature tolerance, low friction and customizable sizes — ideal for chemical, pharmaceutical, hydraulic and food applications.

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Product Information

Polypac Flexible PTFE Tubing — Durable, Clean, and Customizable

Polypac Flexible PTFE Tubing delivers dependable performance where purity, chemical resistance and temperature stability matter. Made by an experienced seal and tubing manufacturer, our PTFE tubing is engineered for demanding environments while remaining easy to install and maintain.

Key Features & Benefits

Chemical resistance: Excellent inertness to acids, bases and most solvents — ideal for chemical and laboratory use.
Wide temperature range: Performs reliably from very low to high temperatures (typical continuous range up to +260°C), keeping flexibility and strength.
Low friction & smooth bore: Non-stick inner surface reduces build-up and ensures steady flow for fluids and gases.
Electrical insulation: Strong dielectric properties suitable for wiring and insulating applications.
Custom options: Available in pure PTFE or filled variants (carbon, glass, bronze and others) for added strength, wear resistance or conductivity.

Applications

Polypac PTFE tubing is ideal for chemical transfer, pharmaceutical and food processing lines, hydraulic control systems, laboratory setups and any application where purity and stability are critical.

Why Choose Polypac?

Polypac is a scientific and technical hydraulic seal manufacturer with over a decade of expertise in sealing materials and custom solutions. Our factory covers more than 10,000 m² and uses advanced production and testing equipment. We offer precise manufacturing tolerances, fast customization and quality you can rely on — backed by long-term collaborations with universities and research institutes.

Ordering & Customization

We provide a range of standard sizes and can produce custom diameters, wall thicknesses and filled-material options to meet special working conditions. Contact our team to discuss samples, lead times and technical support.

Choose Polypac Flexible PTFE Tubing for reliable, long-lasting performance in the toughest environments. Request a quote today to get tubing tailored to your needs.

Q&A

How do I choose the right material for my sealing application?

Material selection depends on four key factors: Media: What fluid or gas will the seal contact? (e.g., petroleum oil, water, chemicals, steam) Temperature: What is the minimum and maximum operating temperature? Pressure: What is the system's operating pressure? Are there pressure spikes? Application: Is it a static, dynamic, or rotary seal? Example: NBR (Buna-N) is excellent for standard hydraulic oil, while FKM (Viton®) is needed for high temperatures or aggressive chemicals.

What is the difference between NBR and FKM materials?

NBR (Nitrile/Buna-N): A general-purpose, cost-effective material with excellent resistance to petroleum-based oils and fuels. It has a standard temperature range of -30°C to +100°C (-22°F to +212°F). FKM (Fluoroelastomer/Viton®): A premium material with excellent resistance to high temperatures (up to 200°C+), chemicals, and oils. It is used in more severe environments but is more expensive than NBR.

How can I prevent seal damage during installation?

Use Tools: Always use dedicated installation tools (e.g., picks, cones, guides). Lubricate: Always lubricate the seal and the contact surface. Protect Sharp Edges: Cover sharp threads and edges with tape or use an installation sleeve. Check the Groove: Ensure the installation groove is clean, deburred, and undamaged.

What is the purpose of the metal spring in a rotary shaft seal?

The garter spring in a shaft seal (e.g., FSKR, SPGO types) provides a constant radial force on the sealing lip. This ensures consistent contact with the rotating shaft, compensating for minor wear, eccentricity, and vibration to prevent lubricant leakage.

If you have another questions, please feel free to contact us.

Get in Touch

PRODUCTS

dbde24e1-4012-47b6-8db4-e89ee4ca5a70

Polypac Industrial Technology Co.,Ltd

+86 189 2463 6168

rose@dmsseals.com

No. 5, Hegui Mid Road, Hegui Industrial Park, Lishui Town, Nanhai District, Foshan City, Guangdong Province, P.R. China.

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