1. Calcium lump. Purity: í²98.5% Size and shape: 30-100mm, 50-200mm irregular lump Packing: : packing with poly bags filled argon gas in then sealed in steel drum, 100kg per drum, 118kg per drum. 2. Calcium tablets. Size and shape: ª¦280mm*600mm, irregular cylindrical. Technical parameter: Calcium lumps/tablets: Caí²98.5min% Impurity: Cl: 0.02max%; N: 0.01max%; Mg: 0.50max%; Cu: 0.02max%; Ni: 0.005max%; Mn: 0.03max%; Si: 0.01max%; Fe: 0.01max%; Al: 0.4max% Metal calcium lump: Purity: 98.5%min, size: 30-100mm, 50-200mm irregular lump Packing with poly bags filled argon gas in then sealed in steel drum, 100kg per drum, 118kg per drum. Metal calcium tablets. Size: 280mm*600mm