Clear O-Rings | McMaster-Carr

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Core Material

Silicone Rubber

Viton® Fluoroelastomer

Cross Section Shape

Dash Number

System of Measurement

Core Color

Width

Core Hardness

For Use With

Diluted Salt Solutions

Acetic Acid (White Vinegar)

Material

Color

Fractional ID

Fractional OD

Fractional Width

Maximum Temperature

Environment

Hardness Rating

Food Industry Standard

3-A Certified 18-03

FDA Standard

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Hardness

Specifications Met

Minimum Temperature

755 Products

About Sizing Belts

Ultra-Chemical-Resistant FEP-Encapsulated
Viton® Fluoroelastomer O-Rings

Unlike silicone, the Viton® fluoroelastomer core will continue to ward of chemicals should the FEP casing wear away.

Ultra-Chemical-Resistant
FEP-Encapsulated Silicone O-Rings

The FEP casing on these O-rings provides the same level of resistance to harsh chemicals as PTFE O-rings, but the core material is soft to make these O-rings more compressible.

High-Temperature Clean Room Silicone O-Rings

Made and bagged in an ISO Class 7 (Fed. Std. Class 10,000) clean room, these are the highest purity high-temperature O-rings we offer.

Round Belts

Made of polyurethane, these belts resist chemicals and abrasion.

Chemical-Resistant Made-to-Order Round Belts

In addition to chemical resistance, these belts also provide increased abrasion resistance over heavy duty round belts.

Quick-Hook Twisted Round Belts

Install these belts without dismantling your drive shafts—hook the ends together with the attached stainless steel connector.

Round Belting

This belting has a smooth, easy-to-clean surface.

Quick-Connect Hollow-Core Round Belting

The hollow core of this polyurethane belting allows you to join the ends without trimming, welding, or using special tools.

About Sizing Belts

O-Rings

Ultra-Chemical-Resistant FEP-EncapsulatedViton® Fluoroelastomer O-Rings

Ultra-Chemical-ResistantFEP-Encapsulated Silicone O-Rings

High-Temperature Clean Room Silicone O-Rings

Round Belts

Round Belts

Chemical-Resistant Made-to-Order Round Belts

Quick-Hook Twisted Round Belts

Round Belting

Quick-Connect Hollow-Core Round Belting

Ultra-Chemical-Resistant FEP-Encapsulated
Viton® Fluoroelastomer O-Rings

Ultra-Chemical-Resistant
FEP-Encapsulated Silicone O-Rings