The particle size of the oxidizable metal powder normally averages not more than 60 mesh, and {TAIL ~ the metal powder} preferably contains not less than 50% of particles {HEAD ~ whose sizes} are not greater than 100 mesh 
The particle size of the oxidizable metal powder normally averages not more than 60 mesh , and { TAIL ~ the metal powder } preferably contains not less than 50 % of particles { HEAD ~ whose sizes } are not greater than 100 mesh
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH