Historically, rubber mixing operations were one of the big reasons why the rubber and tire sector was seen as a "dirty" business.
Featuring chemicals and carbon black combined with elastomers and a whole host of other materials, the compounding area wasn't the place to be if you were wearing a white dress shirt.
But over time, that stereotype has become outdated. Mixers have invested in more advanced technology, with a focus on upgraded IT, automation and, increasingly, into artificial intelligence.
Evidence of this can be seen by looking at how the two largest custom mixers in North America are spending their cap-ex and research and development dollars. At Hexpol Compounding Americas and AirBoss of America Corp., IT budgets are growing, while manufacturing and equipment budgets are dropping.
For Hexpol, the acronyms to watch going forward, rather than M&E, now will be ERP (Enterprise Resource Planning) and MES (Manufacturing Execution Systems).
The top North American and global custom mixer over the years points to mergers and acquisitions as the impetus for a good part of company growth.