Differences between black carborundum and green carborundum
Carborundum is produced in electrical internal resistance furnaces from silica sands and petroleum coke.
Black carborundum
Green Carborundum
There are a few differences between black carborundum and Green Carborundum:
1.Abbreviation
Black carborundum abbreviates to C,but green carborundum t0 GC
2,Raw material
The main raw materials are the same,but adding salt when melting green carborundum
3.Hardness
Hardness of green carborundum (mohs 9.4) is higher than black carborundum(mohs 9.15)
4.Color
Black carborundum is black,but green carborundum is green.
5.Main applications
Most applications of them are the same such as blasting ,grinding etc,but some special application is different,for example green carborundum is widely used in telfon coating.
6.Unit price
Unit price of green carborundum is higher than Black carborundum,which is higher about 50-80% for same size.