ARPM releases MO-1: Rubber Handbook, revised 2025 Edition

Indianapolis, IN – The Association for Rubber Products Manufacturers (ARPM) announced the release of the newly revised MO-1: The Rubber Handbook, the latest edition of the rubber industry’s most trusted engineering reference tool. Updated every five years, the Rubber Handbook remains the gold standard for communicating specifications across the rubber manufacturing supply chain.
Thoroughly reviewed by a team of dedicated, expert volunteers, the 2025 revision brings the handbook in line with current ISO and ANSI standards and reflects the evolving needs of engineers, designers, and quality professionals in the rubber industry.
This essential resource provides a standardized “language” in the form of symbols, charts, and definitions – helping engineers specify what they need clearly and efficiently, without over or under engineering components. The new edition expands on this foundation with updated charts and definitions for five primary product groups: molded, extruded, lathe-cut, cellular, and now calendered rubber parts.
In addition to product-specific chapters, a comprehensive section on quality conformance outlines practical approaches for ensuring that rubber products meet design requirements. A newly added rubber materials selection guide, complied by industry experts, enhances the Handbook’s value as a daily engineering and procurement tool.
Greg Vassmer, Chair of the MO-1 Handbook Review Committee, shared, “The ARPM Rubber Handbook continues to be the primary reference used by rubber product suppliers and customers to understand and communicate engineering and quality conformance specifications. The specifications are used on drawings and in quality documentation, providing a common language for five different rubber product groups. With this edition, entirely new sections have been added covering calendered rubber products and a selection guide for rubber materials compiled from experts industry-wide. The new sections, along with updated tables, makes the new edition a necessary and valuable resource.”
To obtain a copy of the MO-1: Rubber Handbook, please visit www.arpminc.com/publications. Current ARPM Members can download the publication at no cost.