PRODUCT DETAILS : Size Length : 150 mm x Dia 50 mm x Inner hole 14 mm Fixed Carbon : 60% to 65% Ash : 18% max Volatile Matter : 16% to 18% Moisture Below 5% GCV : 5000 to 5500 Kcal/kg Burning Time : 5 hrs minimum Packing : 10 Kgs with wrapped in 10 Kgs 5 ply multi-color printed corrugated boxes with buyers own brand and design