As sprayed nickel and aluminum can react strong ,alloying heating-release,which can form independent combination ,in metallurgical bonding with it's base metal.such coating layer has feature of high melting point ,heat resisting 


used in aviation machinery,transportation .chemical industry ,petroleum and metallurgy mechanical parts

particle size :  -140/+240/-400 mesh 
loose density:  0.87
chemical content: AL over 10%
fluidity:25-26
shape of powder: spherical