98% Silicon carbide #60 grit for blasting Aluminum die casting
The reverse radar of new energy vehicles usually uses aluminum alloy and zinc die-casting parts as the shell. Aluminum die castings are conducive to the realization of vehicle lightweighting. Sandblasting of aluminum die-casting parts can improve their surface roughness. Thus it makes preparation for subsequent chemical surface treatment. 98% Silicon carbide #60 grit(Black color) can perfectly handle this application.
The advantages of using silicon carbide #60 grit for sandblasting surface treatment of die-casting alloy parts are:
1. The hardness of black SiC grit is higher than that of aluminum oxide blasting media. Its Mohs hardness is 9.2 and Vickers hardness is 2840-3320 kg/mm2. The grinding efficiency of black silicon carbide sand is high.
2. The main component of black silicon carbide abrasive is silicon carbide, with a purity of 98-99% and low magnetic and free silicon content. Beneficial for cleaning surface residues after sandblasting.
3. Silicon carbide grit has strong thermal conductivity and will not cause surface oxidation after sandblasting.
4. The average particle size of silicon carbide #60 grit is 260um, with a basic particle size of 212-250um. The abrasive particle size consistency is high. After sandblasting, good surface roughness (around Ra 2.5um) can be achieved for aluminum alloy die-casting parts.
Thus, Silicon carbide #60 grit works excellent for Automobile parts Aluminum Die-Casting and other precise mould blasting as a surface treatment technology.
