Black corundum of glass
Black corundum 1.usage: polishing and sandblasting 2.the quaity is very good 3.mesh count: 46#/60#/100#/120#
Black corundum,refractory corundum ; polishing powder ; black corundum
1.usage: polishing and sandblasting
2.weight: 25kg
3.mesh count: 46#/60#/100#/120#
4.material:bauxite
Black corundum of glass
