Polytetrafluoroethylene (PTFE) sheets are remarkable for their unique set of properties. PTFE is a high-performance fluoropolymer known for its exceptional non-stick qualities, high-temperature resistance, chemical inertness, and low friction. PTFE sheets are manufactured by compressing PTFE resin, producing a smooth, white material with superior dielectric strength and insulating properties. They excel in applications requiring resistance to aggressive chemicals, high temperatures, and electrical insulation. PTFE sheets are commonly used in industries like chemical processing, electronics, and food preparation. Their non-stick surface also makes them invaluable for lining equipment like cooking pans and bearings. PTFE sheets' remarkable combination of characteristics ensures their broad utility across diverse sectors.
Polytetrafluoroethylene (PTFE) rods are solid cylindrical structures made from PTFE, a remarkable fluoropolymer known for its unique properties. PTFE exhibits exceptional non-stick attributes, high-temperature resistance, chemical inertness, and low friction, which are all encapsulated in PTFE rods. These rods are valued for their robust dielectric strength and electrical insulating properties, making them vital in applications requiring resistance to harsh chemicals and elevated temperatures. Industries such as chemical processing, electrical engineering, and food production rely on PTFE rods for their reliability. Additionally, their low friction properties make them suitable for use in bearing applications, ensuring smooth and efficient operation. PTFE rods embody an extraordinary combination of characteristics that serve a multitude of needs across diverse sectors.
PTFE washers, also known as Teflon washers, are essential components in various industries. Made from Polytetrafluoroethylene (PTFE), these washers are celebrated for their remarkable properties. PTFE is inherently non-reactive, providing exceptional resistance to chemicals, high temperatures, and corrosion. PTFE washers create a durable, non-stick, and low-friction barrier between surfaces, preventing wear and ensuring smooth operation in mechanical and industrial applications. Their electrical insulating capabilities make them invaluable in electronics and electrical systems. Additionally, PTFE washers are often used in food and pharmaceutical applications due to their non-toxic and FDA-approved nature. These versatile washers play a vital role in ensuring the efficiency and reliability of machinery and equipment across multiple sectors.
PTFE ropes, fabricated from Polytetrafluoroethylene (PTFE), are exceptional sealing and gasketing materials with a broad range of applications. PTFE, renowned for its non-reactive nature, high-temperature resistance, and low-friction properties, makes these ropes highly sought after. PTFE ropes are used extensively in industrial settings, particularly for sealing applications involving corrosive chemicals, extreme temperatures, or high-pressure environments. They exhibit impressive chemical inertness and maintain their integrity even in harsh conditions. The low friction of PTFE minimizes wear and tear while ensuring a secure seal. Whether in chemical processing, manufacturing, or fluid handling, PTFE ropes offer reliable, long-lasting sealing solutions, contributing to enhanced equipment performance and safety.
| TYPICAL PROPERTIES of PTFE | ||||
| ASTM or UL | PTFE | PTFE | PTFE | |
| test | Property | (unfilled) | (25% glass filled) | (25% carbon filled) |
| PHYSICAL | ||||
| D792 | Density (lb/in³) (g/cm³) | 0.078 | 0.081 | 0.075 |
| 2.16 | 2.25 | 2.08 | ||
| D570 | Water Absorption, 24 hrs (%) | < 0.01 | 0.02 | 0.05 |
| MECHANICAL | ||||
| D638 | Tensile Strength (psi) | 3,900 | 2,100 | 1,900 |
| D638 | Tensile Modulus (psi) | 80,000 | - | - |
| D638 | Tensile Elongation at Break (%) | 300 | 270 | 75 |
| D790 | Flexural Strength (psi) | No break | 1,950 | 2,300 |
| D790 | Flexural Modulus (psi) | 72,000 | 190,000 | 160,000 |
| D695 | Compressive Strength (psi) | 3,500 | 1,000 | 1,700 |
| D695 | Compressive Modulus (psi) | 70,000 | 110,000 | 87,000 |
| D785 | Hardness, Shore D | D50 | D60 | D62 |
| D256 | IZOD Notched Impact (ft-lb/in) | 3.5 | - | - |
| THERMAL | ||||
| Coefficient of Linear Thermal Expansion | ||||
| D696 | (x 10-5 in./in./°F) | 7.5 | 6.4 | 6 |
| D648 | Heat Deflection Temp (°F / °C) at 264 psi | |||
| 132 / 55 | 150 / 65 | 150 / 65 | ||
| D3418 | Melting Temp (°F / °C) | 635 / 335 | 635 / 335 | 635 / 335 |
| - | Max Operating Temp (°F / °C) | 500 / 260 | 500 / 260 | 500 / 260 |
| Thermal Conductivity (BTU-in/ft²-hr-°F) | ||||
| C177 | (x 10-4 cal/cm-sec-°C) | 1.7 | 3.1 | 4.5 |
| 5.86 | 10.6 | 15.5 | ||
| UL94 | Flammability Rating | V-O | V-O | V-O |
| ELECTRICAL | ||||
| D149 | Dielectric Strength (V/mil) short time, 1/8" thick | 285 | - | - |
| D150 | Dielectric Constant at 1 MHz | 2.1 | 2.4 | - |
| D150 | Dissipation Factor at 1 MHz | < 0.0002 | 0.05 | - |
| D257 | Volume Resistivity (ohm-cm)at 50% RH | > 1018 | > 1015 | 104 |