G44 ASTM E45 Grain Sizing

Pattern comprises 7.1mm square with features on left and right side to compare size, and a 10mm length horizontal scale. Root 2 sides. Also likely to be suitable for DIN 50602. For some applications a 10mm square is required, these can be made to special order.

 

Line Thickness
0.015mm +/-0.003mm

Glass Type and Thickness
Soda Lime 1.5mm thick

Scale Length Tolerance
+/-0.005mm

Diameter Tolerance
+0/-0.1mm

Divisional Marker Lengths
0.4mm, 0.2mm

Orientation
Correct reading through glass