FSC 9310                                                         JCP L40
                  LAID-FINISH COVER, WHITE AND COLORED
Cover 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 high quality multicolor face and back offset printing of 
brochures, programs, covers for books, pamphlets, etc. requiring 
attractive appearnace. Has a rough, soft finish with decorative chain 
marks running at right angles to laid lines. Printed matter may include 
text, line illustrations, halftones up to 150-line screen.

Stock: Groundwood pulp, not to exceed 1 pct.

    Note: \1\ Not less than 30 pct postconsumer fiber. Any percent over 
  30 percentage points, is encouraged, provided that the requirements of 
  this Standard are met.

Acidity: pH value shall average not less than 6.5 for white paper and 
  5.0 for colored paper.


Grammage (g/m\2\).....................................      175      215
  Basis weight: 20 by 26 inches, 500 sheets (pounds)..       65       80
  A tolerance of 5 pct shall be allowed.

Bursting strength: Average, not less than
  (kPa)...............................................      170      210
  Equivalent (lb/in\2\)...............................       25       31

Tearing strength: Average, each direction, not .......
  less than mN........................................      780      980
  Equivalent (grams)..................................       80      100
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 81 pct for the white paper. The color variation 
  shall not exceed DE(CIELAB)=1.0.
    For colored stock, paper shall match one of the established 
  standards or as specified. Colors shall not fade or transfer (rub off) 
  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.
  Finish: Paper shall have a laid-finish.
  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.

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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 equipment 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 for white and 2.0 
  for colored stocks is allowed. A color difference 1.0 DE unit between 
  felt and wire sides is permitted.
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 requirement may be waived by the ordering agency when 
purchasing less than a mill run quantity and so stated in the 
procurement document.