dust free emery sand for glass blasting

Description

dust free emery sand is a kind newly environmental protection material ,with raw material of bauxite,coal and so on,It is used in the fields of Glass sandblasting and Abrasive tools.Free-dust sand is the substitute for Middle and low intensity emery sand such as Quartz sand, glass balls and metallic balls.

Al2O3 60-70%
SiO2 6-10%
Fe2O3 2-5%
Size 24# 36# 46# 60#
Mohs hardness 6-7
Shape Round
Roundness 90%
Broke Rate 6%