FSC 9310                                                        JCP A120
                          50% LAID-ANTIQUE BOOK
Printing Paper                                          February 1, 1999

Use information: The paragraph is information only and is not 
    exclusively definitive of the end use.
  For multicolor face and back offset printing of pamphlets, brochures, 
invitations, programs, etc., requiring attractive appearance and/or 
above average durability and above average permanence. Has a rough, soft 
finish with decorative chain marks running at right angles to laid 
lines. High bulk. Printed matter may include text, line illustrations, 
and halftones up to 150-line screen.
Stock: Not less than 50 pct cotton or linen fibers. Groundwood pulp, not 
  to exceed 1 pct.
    No fluorescent (optical) brighteners shall be added to the pulp or 
  paper during manufacture. Fluorescence, due to residual white water, 
  broke, or natural fibers, is permissible; provided the increase in 
  reflectance, measured with and without the ultraviolet component of a 
  light source of 3100 kelvin in combination with a C.I.E. 
  (International Commission on Illumination) Z (blue) filter, does not 
  exceed 2.0 pct.
    Note: \1\ Postconsumer recovered fiber, in any percentage, is 
  encouraged, provided that the requirements of this Standard are met.
Acidity: pH value shall average not less than 6.5.

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

Bursting strength: Average, not less than (kPa)... 130
  Equivalent (lb/in\2\)........................... 19

Opacity: Average, not less than (percent)......... 90
  No individual specimen shall average less than
  (percent)....................................... 88
Thickness: Average (mm)........................... 0.140

  Equivalent (inch)............................... 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.

Chain marks: Shall run parallel to machine direction of the sheet and 
  match the standard sample.

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 
  target brightness of 72 pct 2 pct or as specified. The 
  color variation shall not exceed DE(CIELAB)=1.0.

  Finish: Paper shall have a laid-finish.

  Formation: Shall be uniform.

  Cleanliness: The dirt count for each side of the paper shall not 
  exceed 250 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.


 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-size suitable for 
  satisfactory printing on both sides of the paper on high-speed offset 
  presses equipped with continuous flow or brush dampening systems.

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


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); 1.588 mm (\1/16\ inch).
Grain: Direction of the grain of 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.


    \1\ This grade is typically a low Government usage paper and 
currently not readily and/or economically available with postconsumer 
recovered fiber content. If a postconsumer recovered fiber content is 
desired in the paper, that number will be stated in the procurement 
document. Note, recovered material (cotton/linen) is not a postconsumer 
recovered fiber.