MRC:
						The element(s) used in the fabrication of the item,expressed in percent.ARRX
					 
					
						Chemical Composition Percentage:
					
					
						Tin 51.5 pct, lead 47.535 pct, antimony 0.5 pct, bismuth 0.25 pct, copper 0.08 pct, other elements 0.08 pct, arsenic 0.025 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:
					
					
						Sn50 composition and w form and rflux type and core condition & flux pct p2