PTFE Capillary Tube
Your Professional PTFE Capillary Tube Supplier
ZETAI was founded in 2021 and is a high-tech enterprise in China's fluoroplastics industry, specializing in industrial and medical-grade fluoropolymer tubing and PTFE finished products. We provide one-stop solutions for the global market.
Why Choose Us
Certifications
Certified to IATF 16949, ISO 13485, ISO 14001, and ISO 45001, with cleanroom production environments. Our products comply withROHS, UL, REACH, FDA food-grade and biocompatibility standards formedical use.
Customization
OEM support for both small-batch trials and large-volume production, precisely tailored toglobal customer requirements.
Rich Experience
Over 15 years of expertise in PTFE, FEP, and PFA tubing and fluoropolymer products, delivering quality-driven,compliant, and win-win one-stop solutions worldwide.
Advanced Mechanical Equipment
To meet the diverse needs of customers for Ptfe products.There are equipments including more than 45 extrusion pipeline production lines, 10 baking machines, 30 CNC lathes, and 12 sets medical-grade pipe production machines that ensure product competitiveness.
PTFE Capillary Tube Specifications
|
Material |
Chemical Resistance |
Surface Smoothness |
Temp Range (°C) |
Adsorption Risk |
Typical ID Range |
|
PTFE Capillary |
Excellent |
Very High |
-200 to +260 |
Negligible |
0.3–5 mm |
|
Silicone |
Moderate |
Medium |
-50 to +200 |
High (proteins) |
0.5–6 mm |
|
PVC |
Poor |
Low |
-10 to +60 |
Very High |
1–10 mm |
|
Stainless Steel |
Good (except strong alkalis) |
High |
-200 to +400 |
Low (but reactive metals) |
0.1–3 mm |
Advantages and Benefits
01
Precision in Fluid Movement
Capillary tubes are ideal for applications that require fine control over the movement of liquids. Their small internal diameters allow them to move fluids in small, precise quantities.
02
No Need for External Power
One of the major advantages of capillary tubes is that they operate based on natural physical forces, such as surface tension and capillary action. This means they don't require external power sources like pumps or motors to move liquids.
03
Low Cost
These tubes are relatively inexpensive to manufacture, especially those made from glass. Their low cost makes them an attractive solution for many industries where precision is needed without the need for complex machinery.
04
Compact Design
Due to their small size, these tubes are ideal for applications where space is constrained or where minimal liquid quantities are required. Their compactness makes them easy to integrate into small systems or devices.
Type
Glass Capillary Tubes
Glass capillary tubes are the most commonly used type and are typically used in laboratory settings. They are transparent, which allows for easy observation of the liquid inside.
Stainless Steel Capillary Tubes
Stainless steel capillary tubes are used in more demanding industrial applications where durability and resistance to corrosion are crucial. These tubes are ideal for applications involving high-pressure systems or aggressive chemicals.
Plastic Capillary Tubes
Plastic capillary tubes, made from materials like polycarbonate or Teflon, are lightweight and resistant to chemicals. They are flexible and can be molded into various shapes, which makes them adaptable for different applications.
Bimetallic Capillary Tubes
Bimetallic capillary tubes are composed of two different metals, which are typically bonded together. These tubes are used primarily in temperature-sensing applications because the two metals expand at different rates, allowing them to act as a temperature-sensitive switch.
Applications
Medical and Biotechnology
Used as protective sheaths, catheter liners, and multi-lumen tubing for highly maneuverable steerable catheters and endoscopes. Highly biocompatible and non-reactive, making them ideal for intravenous (IV) lines and surgical equipment without fear of tissue irritation.
Chemical Processing and Laboratories
Acts as a durable, non-leaching conduit to transport aggressive acids, solvents, and bases safely. The ultra-smooth inner surface (low surface energy) and inertness prevent sample absorption and contamination during testing.
Electronics and Telecommunications
Used as protective, insulating sleeves for delicate electronic wiring and fiber optic cables in high-temperature or aerospace applications. Provides superior electrical resistance in tightly enclosed circuits and high-voltage applications.
Automotive and Aerospace
Serves as a low-friction sleeve for accelerator, brake, and clutch cables to ensure smooth, responsive mechanical movement. Used in performance vehicles and aircraft for transferring high-temperature fluids like hydraulic brake fluids and fuels.
OEM Manufacturing welcome: Product, Package...
Sample order
We will reply your inquiry with in 24 hours.
After sending, we will track the products for you every two days, until you get the products. When you got the goods, test them, and give me a feedback.If you have any questions about the products, contact with us, we will offer you the best solution.
No matter how large your order is, we will deliver on time.
Certification
FAQ
We're well-known as one of the leading PTFE capillary tube manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to buy high-grade PTFE capillary tube made in China here from our factory. Contact us for more details.
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