apprêt coquille

CONT: Il est produit par l'emploi, à l'entrée de la sécherie, d'un feutre spécial qui marque la surface du papier. Le fini coquille se situe généralement entre les finis antique et machine.

OBS: It is traditionally produced by the use of special felts which mark the paper as it enters the driers with relatively round hills and valleys not definitely aligned with the grain direction. It is generally considered to be rougher than a machine finish and smoother than an antique finish.