When stock is used on open forms, including multiple copies, one side only, for scratch paper, note pads, tablets, opacity of stock is not a specified factor. Groundwood pulp, not to exceed 1 pct. Any percent over 30 percentage points is encouraged, provided that the requirements of this Standard are met. A tolerance of 5 pct shall be allowed. For colored stock, paper shall match one of the established standards.
Standards are blue, buff, green, pink, salmon, or yellow.
Stock shall not be 2-sided. Color coordinates for selected standards are included in Part 3. Shall be uniform. The dirt count for each side of the paper shall not exceed 650 specks per square meter. A color difference 1.0 DE unit between felt and wire sides is permitted.