TypeSizeCCI Absorption%Ash%Bulk Densityg/LHardness%Moisture%DZ-4.0 4.0 70-80 8-12 360-380 ≥95 ≤5DZ-3.0 3.0 70-80 8-12 360-380 ≥95 ≤5DZ-2.0 2.0 ≥60 8-12 >400 ≥95 ≤5DZ-1.5 1.5 ≥60 8-12 >400 ≥95 ≤5PZ 12X40 12X40 ≥55 <12 >400 ≥95 ≤5PZ 25X50 25X50 ≥55 <12 >400 ≥95 ≤ 5