MRC:
The element(s) used in the fabrication of the item,expressed in percent.ARRX
Chemical Composition Percentage:
Tin 63.5 pct, lead 35.53 pct, antimony 0.5 pct, bismuth 0.25 pct, cadmium 0.08 pct, copper 0.08pct, arsenic 0.03 pct, iron 0.02 pct, aluminum 0.005 pct, zinc 0.005 pct
MRC:
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.ZZZT
Specification Or Standard:
Sn63 composition and w form and rflux type and core condition and flux pct p3
