ARM turned 50 years old this quarter. Board members, Past Presidents, and Hall of Fame Members gathered in Chicago to mark the occasion. We shared a reminder of what makes our industry special.  ARM also packed a ton of value for members into the first three months of the year: ARM delivers tremendous value included…

I was recently sent an article by Comtherm, the UK-based company that rebuilt the burner train on my gas-fired machine. They manufacture large industrial gas burners for a wide variety of industries, including rotational molding. Although the article is written from a UK perspective, I believe the substance is highly relevant to all rotomolders. The…

Dear friends, Ten years ago, I wrote my president’s message about making ARM’s 40th anniversary an unforgettable celebration. We brought more than four hundred rotomolders together in New Orleans, we welcomed a new Technical Director, and we proved once again that this Roto Family of ours is something truly special. Now here we are at…

Today, February 5, 2026, marks the 50th anniversary of the Association of Rotational Molders.  Over the past five decades, ARM and its members have worked together to build a strong industry around the rotational molding process. We share knowledge, fund research, push technical progress, and meet as friendly competitors. Suppliers have told us for years…

Recently I had an extended correspondence with a rotomolder and I’ve included the whole email string, because it raises some common issues.  For context, this operation houses rotomolding and injection molding within the same building. Question: We use polyethylene in our rotomolding process. Occasionally, we have a mold failure which results in some product leaking…

During our What’s Your Problem troubleshooting session last week, we discussed why some parts turn yellow when no one expects it. An attendee shared a helpful ARM paper, “Why Did My Product Turn Yellow and Other Questions You Should Never Need to Ask,” presented by Thomas Steele in 2000. The ideas in it remain useful,…

The Association of Rotational Molders presented the following awards on October 1 at the Annual Meeting:

The Association of Rotational Molders is thrilled to announce the election of Rick Carlsen and Dave Smith to the Rotational Molding Hall of Fame. Their induction ceremony will take place on October 1 at the ARM Annual Meeting in Dallas. Rick Carlsen As a multi-term ARM Board member and Past President, Rick is known for welcoming…

We’re pleased to share the list of exhibitors for the 2025 Association of Rotational Molders Annual Meeting, taking place September 29 – October 2 in Dallas, Texas. Register for the event or join the waitlist for a booth to be part of the industry’s most valuable networking and learning opportunity. Connect with These Industry Leaders…