disque à structure fermée

OBS: abrasif à structure fermée : Abrasif dont les grains recouvrent complètement la surface de support.
OBS: disque à structure fermée : terme uniformisé par le Comité du projet de lexiques (Nouveau-Brunswick).

CONT: Closed-coat discs are used after the metal finishing operation is completed. This is done to remove hammer or file marks and to smooth welds.
OBS: All abrasive papers, regardless of size and type of mineral used, fall into two categories: open- and closed-coat. These terms refer to the spacing of the abrasive particles.
OBS: close-coat disc: term officially approved by the Lexicon Project Committee (New Brunswick).