FSC 9310                                                        JCP A150
                      UNCOATED VEGETABLE-FIBER BOOK
Printing Paper                                          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 offset printing of books, pamphlets, folders, etc. 
Printed matter may include text, line illustrations, halftones up to 
150-line screen, and solid reverses. Environmentally preferable paper; 
fifty percent of fiber must be a renewable fiber.

Stock: Not less than 50 pct chemical vegetable fiber pulp not including 
  wood pulp; the remainder chemical pulp.

    Note: \1\ Postconsumer fiber, in any percentage, is encouraged, 
  provided that the requirements of this Standard are met.

Acidity: pH value shall average not less than 4.5.


Grammage (g/m\2\)............................       75       90      105
  Basis weight: 25 by 38 inches, 500 sheets         50       60       70
   (pounds)..................................
  A tolerance of 5 pct shall be allowed.

Bursting strength: Average, not less
  than (mN)..................................      100      120      150
  Equivalent (lb/in\2\)......................       15       18       22

Opacity: Average, not less than
  (percent)..................................       89       91       92
  No individual specimen shall average less         87       89       90
   than (percent)............................

Thickness: Average (mm)......................    0.100    0.120    0.140
  Equivalent (inch)..........................   0.0039   0.0047   0.0055

    A tolerance of  0.013 mm (0.0005 inch) shall be allowed. 
  Paper shall be uniform and shall not vary more than 0.011 mm (0.0004 
  inch) from one edge to the other.
General appearance: Paper shall conform to the standard sample(s) 
  adopted by the Government.
  Color: The paper in the order (or publication) shall be uniform with a 
  brightness not less than 79 pct. The color variation shall not exceed 
  DE(CIELAB)=1.0.
  Finish and formation: Shall be uniform.
  Cleanliness: The dirt count for each side of the paper shall not 
  exceed 650 specks per square meter. No sample sheet (600 to 650 cm\2\ 
  in size) shall contain more than one defect with an equivalent area of 
  0.25 mm\2\ or greater.
Sampling and testing: Shall be conducted in accordance with standards in 
  Part 2, Government Paper Specification Standards. Any deviation in the 
  stock requirement is a critical defect and shall be sufficient cause 
  for rejection of the paper.

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 Unless otherwise specified, the following is automatically waived when 
  printing or duplicating is to be accomplished on commercial contract
Sizing: Paper shall be surface- and internal-sized suitable for 
  satisfactory printing on both sides of the paper on high-speed offset 
  presses equipped with continuous flow or brush dampening systems.
Pick resistance: Average, each side, not less than 11-A Dennison wax 
  number.
    No individual specimen shall average less than 11-A Dennison wax 
  number.
Color: Shall match the Government's standard sample for color. A 
  deviation of DE(CIELAB)=3.0 from the color standard is allowed.
    For information only, the CIELAB values (Ill D65, 10 deg. observer) 
  of the color standard are
      L*=93.3
      a*=1.0
      b*=-2.0
Curl: Paper 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, or any particles which will 
  pick, lift, fluff, or pile on the blanket under normal press 
  conditions.

Size and trim: Sheets: Paper 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 except for sheets 216 by 356 mm (8\1/2\ by 14 
  inches) or less; then a tolerance of  1 mm (\1/32\ 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 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 paper shall be as ordered.

Pressroom conditions: The bulk of this paper will be used in air-
  conditioned pressrooms maintained at 24  deg.C 2  deg.C 
  and 45 pct 8 pct relative humidity.
  
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    \1\ This grade is typically a low Government usage paper and 
currently not readily and/or economically available with postconsumer 
fiber content. If a postconsumer fiber content is desired in the paper, 
that number will be stated in the procurement document.