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O-Ring Material Comparisons

Fluid Compatibility Guide
A detailed list of fluids/chemicals with their compatibility ratings for use with the most common O-Ring materials.

Quick Reference Material Guide
A list of popular materials with typical recommended and non-recommended uses with typical mechanical properties.


Basic O-Ring Materials vs. Common Application Environments

1 = Recommended     2 = Satisfactory   3 = Poor   4 = Marginal   5 = Not Recommended

Material

(Click the Material for
Detailed Specs)

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Compound Number
Buna-N (NBR)

A

250

-35

4

5

4

4

2

2

2

4

1

3

5

2

5

4

2

A

A

 B1000
Viton®

D

400

-15

3

4

1

1

1

2

1

2

1

2

4

3

2

2

1

A

N/A

 V1000
Viton® (ETP)

F

400

-5

2

4

1

1

2

2

2

1

1

1

1

1

2

1

1

N/A

N/A

 V1020
Silicone

D

400

-80

4

4

1

1

2

4

4

5

4

5

5

5

5

5

5

A

N/A

 S1000
EPDM (P.C.)

C

300

-65

1

4

1

1

2

2

2

2

5

5

1

3

5

5

1

A

A

 E1000
EPDM (S.C.)

B

250

-65

2

5

1

1

3

2

2

3

5

5

3

3

5

5

1

A

A

 E1005
Kalrez®

H

615

-5

1

2

1

1

2

2

2

1

1

1

1

1

1

1

1

N/A

N/A

 K####
Markez®

F

615

-5

1

2

1

1

2

2

2

1

1

1

1

1

1

1

1

N/A

N/A

Z####
Simriz®

G

615

-5

1

2

1

1

2

2

2

1

1

1

1

1

1

1

1

N/A

N/A

 Z####
Chemraz®

H

615

-5

1

2

1

1

2

2

2

1

1

1

1

1

1

1

1

N/A

N/A

 C###
Aflas®

E

400

-5

2

3

1

1

2

2

2

2

1

5

2

3

2

3

1

N/A

N/A

 L1000

1 = Recommended     2 = Satisfactory   3 = Poor   4 = Marginal   5 = Not Recommended

Material

(Click the Material for
Detailed Specs)

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Compound Number
Teflon® (Virgin)

D

450

-250

5

5

1

1

5

2

2

1

1

1

1

1

1

1

1

N/A

N/A

 T1000
FEP (Teflon®) Encapsulated O-Rings)

E

300

-10

5

5

1

1

2

2

2

1

1

1

1

1

1

1

4

N/A

N/A

 T1002
PFA (Teflon®) Encapsulated Stainless Steel Spring)

J

500

-420

5

5

1

1

2

2

2

1

1

1

1

1

1

1

4

N/A

N/A

 T1021
Fluorosilicone

D

350

-75

5

5

1

1

3

4

4

3

3

1

3

3

2

2

3

N/A

N/A

 F1001
Urethane

C

225

-65

5

5

1

1

4

1

1

5

2

3

5

5

5

5

1

N/A

N/A

 P1001
HNBR

C

325

-40

5

5

2

2

2

2

2

4

1

5

5

5

1

1

2

N/A

N/A

 R1000
Polyacrylate

C

350

-20

5

5

3

3

3

3

1

5

4

5

5

1

1

5

2

N/A

N/A

 Special
Neoprene®

C

225

-40

5

5

2

2

3

2

2

5

2

5

5

3

3

2

1

N/A

N/A

 N1000
Butyl

C

200

-65

5

5

1

2

3

2

1

2

4

5

5

5

5

5

2

N/A

N/A

 Y1000
Hypalon

C

200

-40

5

5

1

2

3

2

2

3

4

5

5

5

5

2

2

N/A

N/A

 H1000

Selecting an O-Ring material for a specific application depends on many important criteria including:
Service Conditions (media to be sealed, temperature range, pressure/vacuum range, dynamic motion)
Design Attributes (component geometry, desired service life, installation considerations, tolerances)

This guide is intended for general reference use only.
The materials and compound numbers listed are the most commonly used.
There are numerous compound variations designed for specific applications.
For demanding applications, please provide all the details to our application engineers for a recommendation.

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Copyright © 1997-2009

Billing & Mailing Address: Marco Rubber PO Box 1150 Seabrook, NH 03874

Shipping Address: Marco Rubber 35 Woodworkers Way, Seabrook, NH 03874

Sales Fax: 603-468-3490 | Accounting Fax: 603-468-3691

Main Phone: 603-468-3600 | Toll free: 800-775-6525 | E-mail

Additional Offices: Providence RI, Philadelphia PA, and Los Angeles CA

Markez® is a registered trademark of Marco Rubber
Viton® and Kalrez® are registered trademark of DuPont Performance Elastomers
Neoprene and Teflon® is a registered trademark of DuPont
Aflas® is a registered trademark of Asahi Glass
Chemraz® is a registered trademark of Green Tweed