Chemical-Resistant O-Rings | McMaster-Carr

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System of Measurement

ID

Cross Section Shape

Width

Dash Number

Material

Aramid/PTFE Fiber

Silicon Carbide

Stainless Steel

OD

Color

Hardness

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

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Hardness Rating

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

Fractional Width

Fractional ID

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Fractional OD

Specifications Met

Thickness

0.019" to 0.043"

0.021" to 0.041"

0.026" to 0.036"

0.035" to 0.045"

0.035" to 0.070"

0.042" to 0.052"

0.045" to 0.055"

0.052" to 0.072"

0.059" to 0.069"

0.068" to 0.078"

0.068" to 0.088"

0.072" to 0.082"

0.077" to 0.087"

Environment

Food and Beverage

Seal ID

Screw Size

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Heat Dissipating

High Temperature

Low Temperature

Metal Detectable

Salt-Water Resistant

Steam Resistant

Water Resistant

Weather Resistant

How can we improve?

4,041 Products

Sealing

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

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

Cord Stock

Cut to length to create customized 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

Packing Seals

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

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Power Transmission

Round Belts

Flexible to send rotary power between unparallel shafts

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