... operate2. electric mixing slurry3. capacity is 8,000~12,000 pieces/hour4. Machine weight is 260 kg, and volume ... box :1800×1150×80032,000~48,000with 8 mouldsTechnical parameters of chalk drying machine ModelNumber of traysChalk pieces per each trayBlower ... can be used to make dustless color chalk as clients’ requirement of teaching, vessel etc.The chalk making machine is supplied water automatically, ...