Calcium Aluminum Alloy 1.Ca:75+/-2%;Al:25+/-2%; 2.Size and shape:30-100mm; irregular lump 3. ... alloy lumpcalcium aluminum alloy lump, Ca 70%, Al 30%, Ca 75%, Al 25%, 30-100mm, packed in iron drum, inner filled with ... ,calcium aluminum alloy lump, Ca 70%, Al 30%, Ca 75%, Al 25%,purity of calcium element in alloy can be 98.5 ...