JanSanProtect you and your visitors this Winter! Rock salt is a general purpose cost efficient salt suitable for roads pathways driveways pavements car-parks etc. Similar ice-melting performance as the salt used by local authorities. 25kg bag for hand or automatic spreader. Application Rock salt is a general purpose cost efficient salt suitable for roads pathways driveways pavements car-parks Directions Hand or automatic spreader Technical - White Rock De-Icing marine salt is a BS3247 certified high quality winter de-icer which leaves no messy residue when trodden into vehicles or buildings. - Appearance crystalline solid - Colour White -Fragrance Odourless - Stability Keep away from concentrated acids. Rock salt can be stored outside. Care should be taken to avoid excessive run-off into water or onto vegetation Biodegradability Care should be taken to avoid excessive run-off into water or onto vegetation