| No. 40C Mounting Board is a lightweight gray mounting board of .040 thickness.
No. 20C Mounting Board has an unfinished gray surface for the mounting and backing of pictures and prints. It’s approximately 3/32 in. thick (.080).
No. 97 Mounting Board is good for mounting, paste-ups, and key line drawings. Its surfaces strip easily, and the dark gray reverse side is also useable. One side is smooth, one side rough. The board is double-thick and heavy weight (.090-.095). |