In body section sand blasting process, metal abrasives’ quality directly affect the quality of coating, the efficiency
of the sand blasting, the paint, the kinetic energy and the consumption of the abrasive materials etc. factors
regarding to the quality and comprehensiveness cost, Along with the new Protection Performance Standard of
Coating(PSPC), it sets a higher request on partition sand blasting quality, therefore, the metal abrasives’ quality is
more important in the process.