Durable - resistant to mild acids and alkalis.Traps swarf, debris, and drains liquids effectively.Ideal for industrial machine areas and factory environments.Conforms to Slip Resistance Test EN 13552 Category R10.Fire tested to DIN 54332 (B2) Part of DIN 4102.Reversible.Height: 12mm.Grid size: 22 x 22mm.Made in UK.