What is the benefit to the end user of ANSI/FM 4950?
It simplifies the decision-making process of choosing heat-resistant
fabrics. For the first time, safety professionals, material buyers, and
welding supervisors have a standard they can use to match their
application to products tested in similar conditions, ensuring their
choice of fabric is the best one for that job.
This Q&A was found on Auburn Manufacturing, Inc. : http://www.auburnmfg.com/modules/smartfaq/faq.php?faqid=2