FSC 9310 JCP A205
LITHO (GLOSS) COATED 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 multicolor face and back offset printing, principally of maps and
charts, covers for books, etc. Good folding endurance. Printed matter
may include text, line illustrations, and halftones up to 150-line
screen.
Stock: Free from groundwood or unbleached pulp.
Note: \1\ Postconsumer fiber, in any percentage, is encouraged,
provided that the requirements of this Standard are met.
Acidity: pH value of coating 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.
Folding endurance: M.I.T., average, each direction,
not less than (double folds)............................... 100
Bursting strength: Average, not less than (kPa).............. 200
Equivalent (lb/in\2\)...................................... 29
Opacity: Average, not less than (percent).................... 93
No individual specimen shall average less than
(percent).................................................. 91
Thickness: Average (mm)...................................... 0.095
Equivalent (inch).......................................... 0.0037
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.
Gloss (75): Average, each side, not less than (percent)...... 50
Smoothness of coating: Average, each side, not to
exceed (units)............................................. 65
Blocking: Sheets shall not stick together after being wet with water and
then allowed to dry in contact with other sheets of the same paper.
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
the brightness not less than 79 pct. The color variation shall not
exceed DE(CIELAB)=1.0.
Formation: Shall be uniform. The coating shall be uniformly applied;
shall not be gritty, mottled, stippled, or ribbed in appearance; shall
not crack or flake off.
Cleanliness: The dirt count for each side of the paper shall not
exceed 50 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 standard in
Part 2, Government Paper Specification Standards. The precision
requirement of the acceptance criteria (Part 4) shall apply for
folding endurance.
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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.
Coating and surface: Shall be free from lint, fuzz, or any particles
which will pick, left, 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 inch) 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.