New Materials Quality Grade Washed Red Rock Garnet Sand 20/40 mesh for Sandblasting
Average Chemical Composition (Typical-wt%)
SiO2—– 39%
Al2O3—– 21%
FeO—– 8%
Fe2O3—–17%
TiO2—– 0.05%
MnO—– 0.4%
CaO—– 9.5%
MgO—– 5%
Physical Characteristics (Typical)
Bulk Density—– 2.3-2.4
Specific Gravity—– 3.8-4.1
Hardness (mohs)—– 7.5-8.0
Melting Point—–1300 C
Color—–Red
Grain Shape—–Sub Angular
Radioactivity—–Not detectable
Conductivity—– <100 us/cm
Total Chlorides—– <10 ppm
(%)Acid Solubility(HCL)—–<1%
Almandine garnet content > 96%
Sandblasting Garnet:
Super Red: 16 mesh 20 mesh 24 mesh 30 mesh 36 mesh
Red: 20/40 mesh 30/40 mesh 30/60 mesh 80 mesh 120 mesh
Waterjet Cutting Garnet :
Red :60 mesh 70 mesh 80A mesh 80 mesh 120 mesh 150 mesh
Key Features
Red Garnet Sand is mined from almandite and andradite mineral deposits in China. In its natural state, garnet is a semi-precious stone. Once extracted, it is washed, processed and screened to the necessary grade for use as an abrasive.
Color: Red
Specific Gravity: 3.8 – 4.1
Hardness (moh): 7.5 – 8.0
Shape of Natural Grains: Sharp Angular
