Sand Abrader Machine

The sand abrader gravity tube is used for lenses scratch resistance. According to ECE R22/05 and others.

Stainless steel base chamber Base container that contains over 3kg of sand Internal tube's diameter: 120mm Sift of 1.6mm mesh Sample rotating base (diameter: 700mm)with 45° angle axis to the falling sand direction.

Rotating base	holder for samples
Base container	Sifts

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