MRC:
The element(s) used in the fabrication of the item,expressed in percent.ARRX
Chemical Composition Percentage:
Tin 94.0 pct, antimony 6.0 pct, lead 0.2 pct, copper 0.08 pct, iron 0.08 pct, arsenic 0.05 pct, aluminum 0.03 pct, @other elements 0.03 pct, @zinc 0.03 pct, cadmium 0.001 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:
Sb5 composition and w form and raflux type and core condition & flux pct p3