Glass fining sheet and method of making and using the same

B - Operations – Transporting – 24 – D

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51/15, 57/7

B24D 3/32 (2006.01) B24B 13/01 (2006.01) B24B 37/00 (2006.01) B24D 3/34 (2006.01)

Patent

CA 1122017

ABSTRACT A glass fining sheet particularly suited for finishing rough ground vitreous surfaces to provide a surface finish which may be readily polished comprises a flexible, conformable backing sheet bearing a micro- cellular abrasive granule-resin matrix which, under use conditions and in the presence of an aqueous flow, generates a fining slurry. The fining sheet according to this invention is prepared by coating a flexible conformable backing sheet with a foamed liquid abrasive granule-resin coating composition comprised of liquid curable binder material, abrasive fining granules and sufficient compatible solvent to provide a coatable composition. Such coating provides a cellular layer which releases the fining abrasive granules at a controlled rate under use conditions.

327166

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