Author Archives: Scott Margolin

INHERENT VS. TREATED: DOES IT REALLY MATTER?

INHERENT VS. TREATED: DOES IT REALLY MATTER?

Historically, the flame resistant properties of FR fabrics could be separated into two categories: Inherent and treated. Once upon a time, this was a relevant distinction. It meant the difference between FR properties that were durable, and those that were not. However, these terms ceased to provide information to safety managers looking to evaluate FR […]

Comfort, heat stress and garment selection

Comfort, heat stress and garment selection

There are many questions and even more misunderstandings around comfort and heat stress for people specifying or wearing arc rated and flame resistant protective apparel; thus, it is important to understand a few basics on the interrelationship, if any, to garment or fabric type and weight. Discomfort and heat stress are not used interchangeably. Comfort […]

The Difference Between Arc Rated (AR) and Flame Resistant (FR)

The Difference Between Arc Rated (AR) and Flame Resistant (FR)

There’s a new acronym in the world of PPE, and it has been causing confusion, both among folks new to the subject as well as those long familiar with FR (Flame Resistant) clothing. The letters “AR” stand for Arc Rated, and made their debut in the recent revision of NFPA 70E; the short explanation of […]