FSC 9310 JCP L30
CLOTH-LINED 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 face and back offset printing of charts, covers for books, etc.,
requiring good folding endurance. Printed matter may include text, fine
line illustrations, and solid reverses.
Facing Paper
Stock: Free from groundwood pulp.
Note: \1\ Postconsumer fiber, in any percentage, is encouraged,
provided that the requirements of this Standard are met.
Grammage (g/m\2\)................................. 97
Basis weight: 20 by 26 inches, 500 sheets
(pounds).......................................... 36
A tolerance of 5 pct shall be
allowed.
Backing Cloth
Backing cloth: Shall be filled cotton cloth.
Thread count: Average, not less than--
Warp............................................ 40
Filling......................................... 30
Finished Paper
Bursting strength: Average, not less than (kPa)... 270
Equivalent (lb/in\2\)........................... 40
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 79 pct for the white stock. The color variation
shall not exceed DE(CIELAB)=1.0.
For colored stock, paper shall match one of the established
standards or as specified. Standards are apricot tan or russet brown.
Colors shall not fade and shall appear even and uniform on the surface
of the sheet.
Finish and 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.
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Unless otherwise specified, the following is automatically waived when
printing or duplicating is to be accomplished on commercial contract
Color: Shall match the Government's standard sample for color. A
deviation of DE(CIELAB)=3.0 from the color standard is allowed.
Curl: Paper shall lie flat with either no tendency to curl or with a
curl which can be overcome under reasonable working 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.