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PTFE Tube Solutions by Polypac — High‑Performance Sealing Products

PTFE Tube Solutions from Polypac

Polypac offers High Quality PTFE Tube products engineered for demanding hydraulic and oil sealing applications. As a scientific and technical hydraulic seal manufacturer and oil seal supplier founded in 2008, Polypac combines material science with manufacturing excellence to deliver PTFE Tube solutions that reduce friction, resist chemicals, and withstand wide temperature ranges. Our product line benefits from decades of R&D and collaborations with top universities and research institutions.

Advanced Materials & Filled PTFE Options

We specialize in a variety of filled PTFE compounds ideal for PTFE Tube performance enhancement. Options include bronze‑filled, carbon‑filled, graphite, MoS₂‑filled, and glass‑filled PTFE. These formulations improve wear resistance, dimensional stability, and creep resistance for dynamic and static sealing scenarios. Selecting the right filled PTFE ensures superior life cycle performance in pumps, cylinders, valves, and precision machinery.

Custom Manufacturing & Rigorous Testing

Polypac's custom rubber ring and O‑ring factory spans over 10,000 m² with 8,000 m² of production space and industry‑leading equipment. We provide bespoke PTFE Tube geometries, tight tolerances, and assembly-ready components. Our in‑house testing capabilities validate sealing performance under pressure, temperature, and chemical exposure, ensuring each PTFE Tube meets client specifications and international standards.

Comprehensive Sealing Portfolio

Beyond PTFE Tube, Polypac produces O‑rings and rubber seals in NBR, FKM, silicone, EPDM, and FFKM to support integrated sealing systems. Combining PTFE Tube with compatible elastomers enables hybrid designs that maximize sealing reliability while simplifying installation and maintenance for hydraulic systems, oil pumps, and industrial equipment.

Applications & Performance Advantages

PTFE Tube from Polypac excels in low‑friction sliding, high chemical resistance, wide temperature tolerance, and minimal outgassing. Typical applications include hydraulic cylinders, rotary shafts, valve stems, and high‑purity fluid systems. Our tailored PTFE Tube solutions help extend service intervals and reduce total cost of ownership.

Why Choose Polypac?

Choose Polypac for proven expertise, scalable production, and collaborative engineering. We provide technical consultation, rapid prototyping, and long‑term supply reliability. Contact Polypac to specify a PTFE Tube solution matched to your operating conditions and performance goals.

FAQ:

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.

Can I reuse a seal?

We strongly recommend never reusing seals. Once compressed and used, a seal takes a "set" and its elastic properties are degraded. Reusing it almost always results in a leak. Always install a new seal during any maintenance or repair.

How important is surface finish on the metal parts that contact the seal?

Extremely important. A rough surface will abrade and wear out the seal quickly, causing leaks. A finish that is too smooth can prevent a lubricating film from forming. A typical recommended surface finish for dynamic applications is 0.2 to 0.8 μm (8-32 μin) Ra.

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.

When should I use a spring-energized seal instead of a standard elastomeric seal?

Consider a spring-energized seal (e.g., GSF, SPN types) for demanding applications involving: Extreme Temperatures (below -30°C or above +200°C) Aggressive Chemicals that elastomers can't handle Very Low Leakage or "Zero Leakage" requirements Poor Lubricity or dry running conditions The internal spring maintains constant sealing force, compensating for wear and system variables.

Table of Contents

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PTFE Tube Solutions from Polypac
Advanced Materials & Filled PTFE Options
Custom Manufacturing & Rigorous Testing
Comprehensive Sealing Portfolio
Applications & Performance Advantages
Why Choose Polypac?

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