FSC 9310 JCP A170
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 of books, pamphlets,
magazines, periodicals, catalogs, brochures, folders, circulars, etc.
Printed matter may include text, line illustrations, and halftones up to
150-line screen.
Stock: Not less than 10 pct postconsumer fiber. Any percent over 10
percentage points, 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\)..................................... 75 90
Basis weight: 25 by 38 inches, 500 sheets (pounds).. 50 60
A tolerance of 5 pct shall be allowed.
Bursting strength: Average, not less than (kPa)....... 70 90
Equivalent (lb/in\2\)............................... 11 13
Opacity: Average, not less than (percent)............. 91 92
No individual specimen shall average less than 89 90
(percent)..........................................
Thickness: Average (mm)............................... 0.065 0.075
Equivalent (inch)................................... 0.0026 0.0030
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 50 50
(percent)............................................
Smoothness of coating: Average, each side, not to 65 65
exceed (units).......................................
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; and
shall not crack or flake off.
Cleanliness: The dirt count for each side of the paper shall not
exceed 100 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
Tensile strength: For roll stock only, average, not less than--
Machine direction (kN/m).............................. 2.1 2.7
Cross direction (kN/m)................................ 1.0 1.4
Equivalent--
Machine direction (kg/in)............................. 5.4 6.9
Cross direction (kg/in)............................... 2.6 3.6
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 unreasonable working conditions.
Coating and surface: Shall be uniform, free from mottle and any
particles which will pick, life, 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).
Rolls: Roll width and diameter shall be as ordered. A tolerance of
2 mm (\1/16\ inch) shall be allowed for width and
26 mm (1 inch) for diameter.
Roll winding: Roll paper shall be tightly wound at even tension and
shall not contain more than the specified maximum number of splices
per roll. The number of splices permitted per roll is determined by
the roll diameter as ordered. On rolls 1,016 mm (40 inches) or less, a
maximum of three splices per roll shall be allowed. On rolls over
1,016 mm (40 inches), a maximum of four splices per roll shall be
allowed. Splices shall be neatly and securely overlap-pasted and made
with a repulpable adhesive which will not permit the splice to
separate while passing through a drying oven maintained at 200 deg.C.
The adhesive may be applied from a tape form backing, provided the
backing is removed, leaving only the adhesive component on the splice.
The adhesive shall not cause the splice to adhere to adjacent laps.
The tails of the splices shall be neatly and evenly removed without
damage to adjacent laps. Splices shall be flagged at both ends with
projecting colored markers, not pasted to the splice, or otherwise
clearly marked.
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.