FSC 9310                                                         JCP Q50
                      CHEMICAL WOOD BOARD, COLORED
Carboard                                                February 1, 1999
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Use information: This paragraph is informational only and is not 
    exclusively definitive of the end use.
  For face and back letterpress and offset printing of file folders, 
cards, open forms, covers for books and manuals requiring strength and 
durability. Printed matter may include text, line illustrations, and 
solid reverses.

Stock: 100 pct chemical wood pulp.

    Note: Not less than 50 pct recovered fiber. Postconsumer fiber, in 
  any percentage, is encouraged, provided that the requirements of this 
  Standard are met.


Grammage (g/m 2)............................................         220
  Basis weight: 22\1/2\ by 28\1/2\ inches, 500 sheets ......
  (pounds) .................................................         100
  A tolerance of 5 pct shall be allowed.........

Bursting strength: Average, not less than (kPa).............         550
  Equivalent (lb/in 2)......................................          80

Tearing strength: Average, total both directions, not ......
  less than (mN)............................................       5,000
  Equivalent (grams)........................................         520

Thickness: Average (mm).....................................       0.250
  Equivalent (inch).........................................      0.0098


    A tolerance of 0.013 mm (0.0005 inch) shall be allowed. 
  Paper board shall be uniform and shall not vary more than 0.011 mm 
  (0.0004 inch) from one edge to the other.

Water resistance: Average, not less than (minutes)..........           5

Abrasion: The abrasion loss shall be no greater than the standard sample 
  when tested dry.

General appearance: The color, finish, 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. Board shall match 
  the blue or tan standard 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.

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 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.
Surface: Shall be free from lint, fuzz, and or any particles which will 
  pick, lift, or pile on the blanket under normal press 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 of 2 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.