With a polished stone value of ~70 and a Mohs hardness of 8.5–9.5, Emery is processed specifically for non-slip and anti-skid systems, such as bridge decks and roads, car park ramps, ferry port linkspans and ship ramps, helipads, industrial flooring, offshore walkways, rail platforms, and footbridges. Graded and de-dusted in-house, it is supplied ready to use.