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ASTM E45 Grain Sizing
Eyepiece Reticle to ASTM E45
G44
£149.63 - £178.11
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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.
0.015mm +/-0.003mm
Soda Lime 1.5mm thick
+/-0.005mm
+0/-0.1mm
0.4mm, 0.2mm
Correct reading through glass