Flakiness

with 7 slots< to BS812-105

slot width 4.9mm, length 30mm - passing 10mm, retained 6.3mm to BS812-105

slot width 7.2mm, length 40mm - passing 14mm, retained 10mm to BS812-105

slot width 10.2mm, length 50mm - passing 20mm, retained 14mm to BS812-105

slot width 14.4mm, length 60mm - passing 28mm, retained 20mm to BS812-105

slot width 19.7mm, length 80mm - passing 37.5mm, retained 28mm to BS812-105

slot width 26.3mm, length 90mm - passing 50mm, retained 37.5mm to BS812-105

slot width 33.9mm, length 100mm - passing 63mm, retained 50mm to BS812-105

7 sieves to BS812-105