... .Ca:75+/-2%;Al:25+/-2%; 2.Size and shape:30-100mm; irregular lump 3.150kgs in 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 ...