... .0, pH 4--6, Special gravity 0.70--0.80(for 80 mesh or more), 1.28(for 40 mesh or less ... ) Moisture <6.0%(for 80 mesh or more), <8.7%(for 40 mesh or less ... ), 24#(24-32 mesh), 36#(32-50 mesh), 60#(40-80 mesh), 80#(80-100 mesh), 100#(100-150 mesh), 12-16 mesh ... , 20-30 mesh, 40-60 mesh, 50-200 mesh, 80-120 mesh, 120--200 mesh. Our factory can supply walnut shell powder with ...