Polytetrafluoroethylene PTFE Sheets, Rods, Washers & Ropes

PTFE Sheets

PTFE Sheets

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.

PTFE Rods

PTFE Rods

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

PTFE Washers

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

PTFE Ropes

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.

Technical Property Chart

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