glasspaper

/ ˈɡlɑːsˌpeɪpə /

noun

strong paper coated with powdered glass or other abrasive material for smoothing and polishing

He even went to the length of occasionally buying a few sheets of glasspaper with his own money, as Crass had told Hunter.

A piece of fine glasspaper wrapped round a squared piece of pine, will make a good surface.

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