Chemical Resistance Rod PTFE Rod / FEP Rod / PFA Rod / PVDF Rod
Rod - Product Overview
rods are made from high performance fluoropolymer materials like PTFE (Polytetrafluoroethylene) and are used in a wide range of industrial applications. rods are known for their excellent chemical resistance, non-stick properties, high temperature tolerance, and electrical insulation characteristics.
Here’s a detailed overview of Rods, including their properties, specifications, key applications, and features.
1. Material Properties Comparison
|
Property |
PTFE Rods |
FEP Rods |
PFA Rods |
PVDF Rods |
|---|---|---|---|---|
| Chemical Resistance | Excellent | Excellent | Excellent | Very Good |
| Temperature Range | -200°C to 260°C | -200°C to 200°C | -200°C to 260°C | -40°C to 150°C |
| Flexibility | Rigid | Flexible | Flexible | More Flexible than PTFE |
| Tensile Strength | >20 MPa | >12 MPa | >20 MPa | >35 MPa |
| Electrical Insulation | Excellent | Good | Excellent | Good |
| Surface Friction | Very Low | Low | Low | Low |
| UV Resistance | Excellent | Good | Good | Good |
2. Specifications Comparison
|
Specification |
PTFE Rods |
FEP Rods |
PFA Rods |
PVDF Rods |
|---|---|---|---|---|
| Diameter | 2 mm to 150 mm | 2 mm to 100 mm | 2 mm to 100 mm | 2 mm to 100 mm |
| Length | Custom lengths available | Custom lengths available | Custom lengths available | Custom lengths available |
| Color | White (Standard) | Transparent | Transparent, Milky White | Natural (milky white), Black |
| Density | 2.2 g/cm³ | 2.15 g/cm³ | 2.14 g/cm³ | 1.78 g/cm³ |
| Surface Finish | Smooth, can be textured upon request | Smooth | Smooth | Smooth |
3. Key Applications Comparison
|
Application |
PTFE Rods |
FEP Rods |
PFA Rods |
PVDF Rods |
|---|---|---|---|---|
| Seals and Gaskets | Yes | Yes | Yes | Yes |
| Electrical Insulation | Yes | Yes | Yes | Yes |
| Pumps and Valves | Yes | Yes | Yes | Yes |
| Food Processing Equipment | Yes (food-safe) | Yes (food-safe) | Yes (food-safe) | Yes (food-safe) |
| Chemical Equipment | Yes | Yes | Yes | Yes |
| Bearing and Bushings | Yes | Yes | Yes | Yes |
4. Key Features Comparison
|
Feature |
PTFE Rods |
FEP Rods |
PFA Rods |
PVDF Rods |
|---|---|---|---|---|
| Non-Stick Properties | Yes | Yes | Yes | No |
| Chemical Resistance | Excellent | Excellent | Excellent | Very Good |
| Thermal Stability | Excellent (up to 260°C) | Good (up to 200°C) | Excellent (up to 260°C) | Moderate (up to 150°C) |
| Electrical Insulation | Excellent | Good | Excellent | Good |
| Mechanical Strength | Moderate | Moderate | High | High |
| Flexibility | Rigid | Flexible | Flexible | More Flexible than PTFE |
| UV Resistance | Excellent | Good | Good | Good |
Key Differences Between PTFE Rods, FEP Rods, PFA Rods, and PVDF Rods
- PTFE Rods: Best for applications requiring maximum chemical resistance and temperature stability. Ideal for sealing, gaskets, and electrical insulation, especially in extreme environments.
- FEP Rods: More flexible than PTFE, offering excellent transparency and resistance to chemicals and high temperatures. Suitable for food processing, pumps, and valves.
- PFA Rods: Offers flexibility, high chemical resistance, and high mechanical strength. Used in high-performance applications like pumps, valves, and chemical equipment where both strength and flexibility are important.
- PVDF Rods: Known for high mechanical strength and moderate temperature resistance, making them ideal for applications that require structural integrity, such as in the manufacturing of mechanical parts, tanks, and chemical processing equipment.
Applications of Rods
- Chemical Resistance: rods are ideal for environments exposed to harsh chemicals such as acids, bases, and solvents. They are commonly used in chemical equipment like reactors, pipes, and tanks.
- Electrical Insulation: Due to their excellent dielectric properties, rods are used in high-voltage applications, including cable insulation, electrical connectors, and insulators.
- High-Temperature Resistance: rods are capable of withstanding temperatures up to 260°C (PTFE), making them suitable for high-temperature seals, gaskets, and insulation.
- Non-Stick Applications: Due to their non-stick properties, rods are used in bearings, bushings, and components that require minimal friction and wear.
- Food-Grade Applications: rods, especially PTFE, are commonly used in food and pharmaceutical industries due to their non-toxic, non-stick, and easy-to-clean properties.
Conclusion
- PTFE Rods: Ideal for extreme chemical and temperature-resistant applications, and commonly used in seals, electrical insulation, and food processing.
- FEP Rods: More flexible and transparent, suitable for food processing, pharmaceutical, and other industries requiring high chemical resistance.
- PFA Rods: Offers the best of both flexibility and mechanical strength, perfect for pumps, valves, and high-performance chemical equipment.
- PVDF Rods: Stronger and more durable, often used in applications requiring good mechanical strength and moderate temperature
- resistance.
| PVDF rod specifications and dimensions table | |
| Diameter(mm)φ | Length(mm) |
| 10 | 1000 |
| 12 | 1000 |
| 15 | 1000 |
| 20 | 1000 |
| 25 | 1000 |
| 30 | 1000 |
| 35 | 1000 |
| 40 | 1000 |
| 43 | 1000 |
| 45 | 1000 |
| 50 | 1000 |
| 55 | 1000 |
| 60 | 1000 |
| 65 | 1000 |
| 70 | 1000 |
| 75 | 1000 |
| 80 | 1000 |
| 90 | 1000 |
| 100 | 1000 |
| 110 | 1000 |
| 120 | 1000 |
| 130 | 1000 |
| 140 | 1000 |
| 150 | 1000 |
| 160~250 | 1000 |
| All the above are in stock | |
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