MRC:
The values/s/ of the element,compound,or mixture of which the composition is fabricated,excluding impurities.BBRC
Composition And Percentage:
61.00 by volume tin and 63.00 by volume tin and 24.00 by volume lead and 26.00 by volume lead and 9.50 by volume antimony and 10.50 by volume antimony and 2.50 by volume copper and 3.50 by volume copper
MRC:
Limitations placed on specific impurities to make the item suitable for particular uses,expressed in percent.BBRF
Impurities Limitation In Percent:
Aluminum 0.005 max, arsenic 0.15 max, iron 0.08 max, zinc 0.005 max, other elements 0.30 max
