As a leading designer and manufacturer of seals and sealing devices, Apple Rubber is in a unique position to bring you this new edition. The information presented comes from our extensive experience with sealing products since our founding in 1971, as well as the most up-to-date sealing industry sources such as:

You'll find a list of these source materials and organizations in the bibliography at the back of this book.

We also wish to extend sincere appreciation to everyone associated with Apple Rubber who made this book possible – our experienced engineers, our technical and manufacturing personnel, our quality control people, our customer service staff, and most importantly, customers like you whose needs for better sealing solutions drive what we do.

Specifically, thanks go out to our editorial staff, including:

John Tranquilli, Senior Editor
David Meehan, Associate Editor
Kevin Oberholzer, Associate Editor