Rulon® Plastics Machining
Rulon® plastics are a family of reinforced PTFE resins manufactured by Saint-Gobain Performance Plastics. Rulon® offers high compressive strength, a low coefficient of friction, and high abrasion and corrosion resistance. Upland Fab are experts in Rulon® machining, and can produce high precision parts and components that match your unique specifications.
Benefits of Using Rulon PTFE Resin 
In addition to the characteristics listed above, Rulon® plastics offer an extremely broad operating temperature range (-400° to 500°F/-240° to 260°C) and a unique no slip-stick property that prevents erratic motion in low speed applications. With its low coefficient of friction, Rulon® provides outstanding performance without lubrication.
The most common uses for Rulon® include extremely high temperature seals, piston rings, and bearings, as well as plastic electrical insulation applications.
There are many grades of Rulon® plastics available, including Rulon® LR, Rulon® J, Rulon® 641, Rulon® AR, Rulon® 142, Rulon® 123, and others. Each Rulon® grade offers distinct performance characteristics that may make it better suited to your application than other grades. Contact Upland Fab to discuss your material requirements.
High Precision Rulon® Machining
Upland Fab utilizes multi-axis machining to produce Rulon® parts. Our state-of-the-art CNC machining technology enables us to manufacture your components with minimal handling and fixturing requirements. In most cases, even the most intricate parts can be completed in a single operation, significantly reducing turnaround times.
Our machining capabilities include:
Additionally, our DPD/MBD processes (Digital Product Definition/Model-Based Definition) allow us to work directly from your digital CAD models. By leveraging your design files, we eliminate machining errors and improve the accuracy and precision of the resulting parts. This ensures better quality parts at lower prices.
Upland Fab’s Top-Flight Communication
Because we know the importance of good communication, when you work with Upland Fab, you’ll have a single point of contact throughout your entire project. We’ll provide reliable, timely updates to keep you informed every step of the way.
Properties of Rulon® PTFE Resin
| ASTM or UL test | PROPERTY | Rulon® LR (maroon) |
Rulon® J (gold) |
Rulon® 641 (white) |
Rulon® AR (maroon) |
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| PHYSICAL | |||||||
| D792 | Density (lb/in³) (g/cm³) |
0.082 2.27 |
0.070 1.95 |
0.081 2.25 |
0.081 2.24 |
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| D2240 | Hardness, Shore D | 60-75 | 60 | 60 | 60-75 | ||
| D570 | Water Absorption, 24 hrs (%) | 0 | 0 | 0 | 0 | ||
| MECHANICAL | |||||||
| D1457 | Tensile Strength (psi) | 1,5000 | 2,000 | 2,000 | 2,000 | ||
| D1457 | Tensile Elongation at Yield (%) | 150 | 180 | 175 | 175 | ||
| D256 | IZOD Notched Impact (ft-lb/in) | 6.0 | - | - | 6.0 | ||
| THERMAL | |||||||
| D696 | Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) |
varies widely with temperature |
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| Cenco-Fitch | Thermal Conductivity (BTU-in/ft²-hr-°F) (x 10-4 cal/cm-sec-°C) |
2.30 7.92 |
1.70 5.86 |
2.60 8.96 |
2.30 7.92 |
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| D635 | Flammability (in/min) | None | None | None | None | ||
| ELECTRICAL | |||||||
| D149 | Dielectric Strength (V/mil) short time, .08" thick | 400-500 | 200 | - | 400-500 | ||
| D150 | Dielectric Constant at 1 MHz | 2.5 | 2.4 | - | 2.5 | ||
| D150 | Dissipation Factor at 1 MHz | 0.003 | 0.001 | - | 0.003 | ||
| D257 | Surface Resistivity (ohm-cm) at 50% RH | 2 x 1013 | 6 x 1018 | - | 2 x 1013 | ||
| D257 | Volume Resistivity (ohm-cm) at 50% RH | 1 x 1015 | 8 x 1018 | - | 1 x 1015 | ||
| RECOMMENDED OPERATING LIMITS | |||||||
| Maximum Load (psi) | 1,000 | 1,000 | 1,000 | 1,000 | |||
| Maximum Velocity with No Pressure (ft/min) | 400 | 400 | 400 | 400 | |||
| Maximum PV Rating (psi x ft/min) | 10,000 | 10,000 | 10,000 | 10,000 | |||
| Maximum Operating Temp (°F / °C) | 500/260 | 500/260 | 500/260 | 500/260 | |||
| Minimum Operating Temp (°F / °C) | -450/-240 | -450/-240 | -450/-240 | -450/-240 | |||
| Minimum Mating Surface Hardness (Rockwell) | C35 | B25 | B25 | C35 | |||
Other Materials We Work With
Are you looking for another material? We have the ability to machine many different materials take a look below at some of the other plastics we work with.
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Contact Upland Fab to Learn More About Rulon® Machining
We have been providing top-flight plastic and composite machining in Southern California since 1970. Contact us for more information or request a quote on Rulon® machining for your next project.
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