Dear Sir, We request your best quote for listed item below. Also indicate weight/volume detail along with confirm delivery period. 1- CALCIUM SILICON Ca 29-33% Ca+Si 90% min. C 1.00% max P 0.05%max S 0.06%max Al 1.8%max Size 10-50 mm (90%min.) Packing In steel drums MTC is essentially required in original QTY 10 TONS