Apple Rubber's Seal Design Guide

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Trade Names(s):

Chemraz . . . Green, Tweed & Co.
Kalrez . . . DuPont Performance Elastomers
Tecnoflon PFR . . . Solvay Solexis

ASTM D1418 Designation: FFKM

ASTM D2000/SAE J200 Type, Class: No Designation at Time of Publication

Apple Compound Designation: KA

Standard Color: Black

Description: FFKM parts are made from a perfluoroelastomer possessing exceptional resistance to degradation by aggressive fluids and/or gases.

Key Use(s): Seals for use in the chemical and petroleum industries as well as for the manufacturing of semiconductors and analytical and process instruments. It is also used for high temperature applications and for paint and coating operations.

Temperature Range: Standard Compound: -35° to +600°F.

Hardness (Shore A): 65 to 90

Apple Rubber Products, Inc. • 310 Erie Street • Lancaster, NY 14086 • 1.800.828.7745

1. Introduction

2. Products & Services

3. O-Ring Basics

4. Seal Types & Gland Design

5. Critical Operating Environmental Factors

6. Material Selection Guide

7. Special Elastomer Applications

8. Troubleshooting

9. Sizes & How to Order

10. Glossary of Terms

11. Rules of Thumb

12. Formulas

13. Seal Glossary

14. Bibliography / Trademarks

PERFLUOROELASTOMER®

Trade Names(s):

PERFLUOROELASTOMER^®