Although harder than G1 steel grit, G2 also loses its sharp edges during shotblasting and is particularly suited to descaling and surface preparationg applications.

• 尽管此类钢砂的硬度比G1钢砂要高一些，但在喷砂过程中仍会失去棱角，特别适合于钢材表面去除氧化皮预处理作业。