PTFE | McMaster-Carr

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Shape

Ring with Bolt Holes

System of Measurement

Thickness

Length

Width

Diameter

Color

Material

Aramid/PTFE Fiber

Molybdenum Disulfide

Performance

Chemical Resistant

Electrically Insulating

High Temperature

Impact Resistant

Metal Detectable

Moisture Resistant

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 399° F

400° F to 499° F

500° F or greater

OD

ID

Comparable To

Delrin® Acetal Resin

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Flexibility

Backing Type

Texture

Hardness Rating

Environment

Food and Beverage

Specifications Met

Fed. Spec. A-A-58092 Type II

NFPA (National Fluid Power Association) Standard

Relative Friction Rating

For Use Outdoors

RoHS

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

How can we improve?

4,154 Products

Raw Materials

Plastic

A lightweight alternative to metal and glass

Sealing

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Gasket Tape

Stick in place around doors, enclosures, and vents to create a leak-resistant seal

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Made-to-Order Gaskets

Made-to-Order Gaskets

Send your exact specifications to get gaskets that fit precisely between surfaces

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

Thread Sealants

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

Wear Ring Stock

Wear Ring Stock

Cut to make wear rings that fit any rod or bore to prevent uneven wear and extend the life of seals

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

Wear Rings

Guide rods and pistons to prevent uneven wear and extend the life of seals

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Spring-Loaded Seals

Spring-Loaded Seals

Seal rods and pistons with a wider range of temperature and chemical resistance than U-cup seals

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Buffering Seals

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Fastening and Joining

Shim Stock

Cut into custom shapes to align, space, and level components on dies, presses, and machinery

Tape

Bind, seal, and mark surfaces

Fluid Handling

Tubing

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Filter Mesh

Strain particles out of various substances

Sintered Filters

Sintered Filters

Tiny holes let particles such as air, gas, and vapor pass through while trapping contaminants

Filter Paper

Remove particles from liquids in lab testing and other filtration applications

Building and Machinery Hardware

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)