Crucible, Material: Alumina Purity: 99. 7 % or better Volume:, 20 ml Dimension: 32 mm, dia X 40mm, H, Material: Alumina Purity: 99. 7 % or better Volume: 30 ml, Dimension: 35 mm, dia X 45mm, Boat, Material:, Alumina Purity: 99. 7 % or better Volume: 40 ml Dimension:, 136 mm, l X 27mm, W X 21m, Disk, Material: Alumina, Purity: 99. 7 % or better Volume: 100 ml Dimension: 75 mm, dia X 32mm, Lid for crucible and disk, Alumina Purity: 99. 7 % or better Dimension: 25 mm, dia X, Tray, Material: Alumina Purity: 99. 7 % or better Volume: 30, ml Dimension: 50 mm, L X 50mm, W X 27mm