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