Mesh 20/40

Mesh 20/40

Mesh 20/40 is used for blasting cleaning operations such as heavy-duty coating removal, where there are more layers of rust or paint involved. Its resilence and low production rates makes them one of the popular abrasives used for repair.
Surface profile: 75-100 micron.

 

Mineralogy Guaranteed (%) Typical (%)
Garnet Min - 96.5 97
Chemical Analysis
Parameters - Typical (%)
SiO2 - 36-38
Al2O3 - 20-22
Fe2O3 - 31-33
TiO2 - 0.5-0.8
CaO - 2-4
MgO - 7-9
LOI - 0.01-0.05
P2O5 - 0.1-0.2
Soluble Chloride - < 20 ppm
Sieve Analysis
Mesh (US) - Retention (%)
30 - 3-4
40 - 17-19
50 - 42-44
60 - 14-16
70 - 8-10
80 - 5-7
100 - 3-5
120 - 1-2
-120 - traces
Physical Analysis
Specific Gravity - 4.1
Hardness - 7.5 - 8.00 (Moh Scale)
Bulk Density - 2.40 gm/cm3
Conductivity - < 10 Micron Siemens/Metre

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