MRC:
The values/s/ of the element,compound,or mixture of which the composition is fabricated,excluding impurities.BBRC
Composition And Percentage:
99.90 by volume lead and 0.04 by volume copper and 0.08 by volume copper and 0.01 by volume silver and 0.02 by volume silver
MRC:
Limitations placed on specific impurities to make the item suitable for particular uses,expressed in percent.BBRF
Impurities Limitation In Percent:
Arsenic, antimony and tin together, 0.002; bismuth, 0.005; iron, 0.002; zinc, 0.001
