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