FSC 9310 JCP Q20 RAILROAD BOARD, WHITE AND COLORED Cardboard February 1, 1999 -------------------------------------------------------------------------- Use information: This paragraph is informational only and is not exclusively definitive of the end use. For letterpress and offset printing of signs, display cards, cloth or paper-stripped covers, two-piece covers for use with bindings such as plastic combs, wire-o, and spiral. Printed matter may include text, line illsutrations, and solid reverses. Stock: Facing sheets shall be uncoated and shall not exceed 25 pct groundwood pulp. Note: Not less than 80 pct total recovered fiber of which 15 percentage points shall be postconsumer fiber. Postconsumer fiber, in any percent over 15 percentage points, is encouraged, provided that the requirements of this Standard are met. Thickness: Average (mm)...................... 0.45 0.76 1.22 Equivalent (inch).......................... 0.0180 0.0300 0.0480 Tolerance: Plus or minus (mm).............. 0.026 0.050 0.065 Equivalent (inch).......................... 0.001 0.002 0.0025 General appearance: The color and cleanliness shall conform to the standard sample(s) adopted by the Government. Color: The paper board in the order (or publication) shall be uniform. The color variation shall not exceed DE(CIELAB)=1.0 with a target brightness of the white board not less than 79 pct. For colored stock, board shall match one of the established standards. Colors shall be ash gray, blue, buff, green, orange, red or as specified. The commercial color standard is applicable, unless specified that the color shall conform to the Government standard. Colors shall not fade and shall appear even and uniform on the surface of the board. Sampling and testing: Shall be conducted in accordance with standards in Part 2, Government Paper Specification Standards. ------------------------------------------------------------------------ Unless otherwise specified, the following is automatically waived when printing or duplicating is to be accomplished on commercial contract Curl: Paper board shall lie flat with either no tendency to curl or with a curl which can be overcome under reasonable working conditions. Size and trim: Paper board shall be furnished in the size(s) ordered and shall be flat, trimmed square on four sides with clean smooth edges, and evenly jogged. A tolerance of2 mm (\1/16\ inch) shall be allowed. Successive sheets within any package shall not differ from each other by more than 0.5 mm (\1/64\ inch). Paper board with the long dimension 813 mm (32 inches) or less shall be considered square if the variation does not exceed 1 mm (\1/32\ inch); over 813 mm (32 inches), 2 mm (\1/16\ inch). Grain: Direction of the grain on flat board shall be as ordered. Pressroom conditions: The bulk of this paper board will be used in air- conditioned pressrooms maintained at 24 deg.C 2 deg.C and 45 pct 8 pct relative humidity.