FSC 9310 JCP A220
WATER-RESISTANT (TEXT) BOOK
Printing Paper February 1, 1999
--------------------------------------------------------------------------
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,
manuals, etc., requiring water-resistant properties. Printed matter may
include text, line illustrations, and halftones up to 150-line screen.
Not suitable for halftone production by letterpress printing.
Stock: Groundwood or unbleached chemical pulp, singly or mixed, not to
exceed 5 pct; the remainder bleached chemical pulp. The use of
melamine-formaldehyde or any material that releases formaldehyde into
the atmosphere at concentration of 0.1 ppm or greater shall not be
permitted in the manufacture of this paper.
Note: \1\ Postconsumer fiber, not less than 30 pct. Any percent over
30 percentage points, is encouraged, provided that the requirements of
this Standard are met.
Acidity: pH value by cold extraction shall be not less than 4.7.
Grammage (g/m\2\)............................................ 90
Basis weight: 25 by 38 inches, 500 sheets (pounds)......... 60
A tolerance of 5 pct shall be allowed.
Bursting strength: Average, not less than--
Dry (kPa).................................................. 210
Wet (kPa).................................................. 90
Equivalent--
Dry (lb/in\2\)............................................. 30
Wet (lb/in\2\)............................................. 13
Opacity: Average, not less than (percent).................... 90
No individual specimen shall average less than (percent)... 88
Thickness: Average (mm)...................................... 0.105
Equivalent (inch).......................................... 0.0041
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.
Water resistance: Average, not less than (seconds)........... 60
Smoothness: Average, each side (units)....................... 110 to 60
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 a
target brightness of 72 pct 2 pct or as specified. The
color variation shall not exceed DE(CIELAB)=1.0.
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-sized suitable for
satisfactory printing on both sides of the paper on high-speed offset
presses equipped with continuous flow or brush dampening systems.
Pick resistance: Average, each side, not less than 13-A Dennison wax
number.
No individual specimen shall average less than 11-A Dennison wax
number.
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
L*=93.0
a*=-0.5
b*=7.5
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.
---------------------------------------------------------------------------
\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.