Due to the variety of substrates we blast clean, our favored and most used media for sand blasting is a crushed mineral rock, this resembles in appearance to that of fine dry sand. The crushed mineral rock will give a profile finish of between 15 and 25 microns, depending on its recycle position, and in 80% of cases the substrate is steel or alloy and is cleaned to a U.S standard. All U.S standards are achievable if desired by the client. The process is carried out in a fully extracted, fully recycled blast room, sizes as stated. Our sand blasting Leeds service can be used for all substrates from plastic, through wood and concrete to steel and alloy.