SUR-BLAST is an active surface passivator that stops the formation of flash rust on metal surfaces. It is economical and easy to use. SUR-BLAST is non-hazardous and environmentally friendly. After dry blasting, pressure wash with SUR-BLAST. Does not leave a residue that interferes with coating adhesion. No Need for rinsing. SUR-BLAST can be used in strength as packaged or diluted 1:50 with good quality water.