MRC:
The values/s/ of the element,compound,or mixture of which the composition is fabricated,excluding impurities.BBRC
Composition And Percentage:
91.43 by volume aluminum and 6.50 by volume silicon and 7.50 by volume silicon and 0.30 by volume magnesium and 0.40 by volume magnesium
MRC:
Limitations placed on specific impurities to make the item suitable for particular uses,expressed in percent.BBRF
Impurities Limitation In Percent:
Copper 0.20 max, iron 0.12 max, manganese 0.05 max, titanium 0.20 max, zinc 0.05 maximum and others 0.15 maximum total
