描述：Abrasive Sheets Standard abrasive sheets: pure aluminium oxide corundum paper, high level of abrasion for manual treatment of wood, steel, copper, plastic etc. Ref. 3M 230U. Anti-clog abrasive sheets with pure silicon carbide abrasive giving an excellent finish on substrates intended for painting, lacquering or varnishing. Ref. 3M 622. Wet and dry abrasive sheets for producing an impeccable finish on metal, plastic, resin or polyester surfaces. Ref. 3M 734. Sheet size: 230 x 280 mm. ### 金剛砂，氧化鋁和碳化硅
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