ISO standards download BS ISO 556:2020 pdf download – Coke (greater than 20 mm in size) — Determination of mechanical strength BS ISO 556:2020 pdf download - Coke (greater than 20 mm in size) — Determination of mechanical strength. 5.2 Tray, >1 000 mm × >900 mm × 200 mm deep, constructed from a suitable abrasion-resistant and wear-resistant... 02-21 Download Now