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| After-sales Service: | Free Replacement or Refund |
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| Warranty: | 24 Months |
| Material: | PTFE |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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PTFE TUBE
1.Material:100% virgin PTFE,no recycle.
| Item | Specification | ||
| Outside diameter(mm) | Wall thickness (mm) | Length(mm) | |
| Pressed Tube | 1~25 | 0.1~2.5 | As your requirement |
| Extruded Tube | 12.4~213 | 1.5~15 | As your requirement |
| Die Pressed Tube | 30~2000 | 10~500 | 100~300 |
Our service
Chunhuan Group (Zhenjiang Chunhuan Sealing Group Co., Ltd.), established in 1985, is a leading manufacturer of fluoroplastic products, chemical semiconductor linings, and new energy sealing gaskets. The company primarily focuses on the research, development, and production of fluoroplastic series sealing products (for hydrogen energy and nuclear power applications) and chemical semiconductor linings. With subsidiaries in South Korea and Shanghai, the group has also established a joint venture with South Korea's Houcheng Group for semiconductor lining equipment. Main production: PTFE products, metal seals series, steel lining anti-corrosion series, engineering plastics series,rubber products series,it is the leading enterprise in the national fluoroplastics industry. The company supplies more than 300 varieties of PTFE composite modified materials,ranging from standard composite modified materials (bronze,glass fiber,carbon,graphite,etc.) to customized solutions to meet different production needs of customers.The company provides flexible quantity and fast delivery service. The engineers have 35 years working experience in the field of PTFE,serving customers in more than 30 countries.
Q1: What is the copper filler percentage, and can it be adjusted?
A1: The standard filler ratio is 40%~60% by weight, but we can customize it from 15% to 70% based on your load, speed, and thermal requirements, or even combine with other reinforcements upon request.
Q2: What are the main advantages over pure PTFE tubing?
A2: Copper powder significantly improves creep resistance, thermal conductivity, and wear resistance, allowing higher loads and speeds while retaining PTFE's inherent low friction - ideal for dry or boundary-lubricated bearing applications.
Q3: Can this tubing handle high rotational speeds or frequent start-stop cycles?
A3: Yes. The copper filler provides excellent heat dissipation, reducing temperature rise under friction. It works well at moderate speeds (recommended linear velocity ≤ 2 m/s) and frequent starts/stops, maintaining dimensional stability and wear life.
Q4: What is the continuous operating temperature range?
A4: It can work from -200°C to +260°C long-term, but copper filling slightly reduces the upper limit - we recommend staying within 200°C for continuous use, with short-term peaks up to 250°C.
Q5: Is the tubing chemically resistant? Does copper affect corrosion resistance?
A5: The PTFE matrix remains highly resistant to most acids, alkalis, and solvents. However, copper is susceptible to strong oxidizing acids - if your media contains such substances, we suggest alternative fillers or pure PTFE.
Q6: What are the dimensional tolerances for ID, OD, and length? Can you make non-standard sizes?
A6: We support imperial or metric dimensions with typical tolerances of ±0.05 mm for ID/OD and ±0.5 mm for length. We accept 2D drawings (PDF/CAD) or 3D models (IGES/STEP), and can machine chamfers, oil grooves, or steps as required.
Q7: Can this tubing directly replace powder-metal or bronze bearings?
A7: Absolutely, and it offers advantages in oil-free or contamination-sensitive applications (e.g., food/pharma). Just ensure proper clearance - we can recommend typical mounting gaps (usually 0.1%~0.3% of shaft diameter).
Q8: Do you provide material test reports and compliance documents?
A8: Yes, each batch comes with test certificates for copper content, density, hardness, tensile strength, etc. We also supply MSDS, ROHS, and REACH declarations to help you meet export and regulatory requirements.
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