Groundwood pulp, not to exceed 1 pct. Any percent over 20 percentage points, is encouraged, provided that the requirements of this Standard are met. A tolerance of 10 pct shall be allowed. Samples from the delivery shall show no greater resistance than the standard sample to removal by abrasion of typewritten characters. For colored stock, paper shall match one of the established standards.
Standards are blue, buff, pink, salmon, or yellow.
Colors shall not fade and shall appear even and uniform on the surface of the sheet. 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.