FSC 9310 JCP O-26
OPTICAL MARK READ (OMR) BOND, WHITE, VIOLET OR GRAY
Miscellaneous 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. To be used on an optical scanner as
specified.
Stock: 100 pct bleached chemical pulp.
Note: \1\ Postconsumer fiber, in any percentage, is encouraged,
provided that the requirements of this Standard are met.
White Violet Gray
Dimensional stability: Shall not exceed--
Machine direction (percent).......... 0.10 0.10 0.10
Cross direction (percent)............ 0.25 0.25 0.25
Note: Percent change is based on difference in relative humidity.
Grammage (g/m\2\)...................... 79 79 79
Basis weight: 17 by 22 inches, 500 21 21 21
sheets (pounds).......................
A tolerance of 5 pct shall be allowed.
Stiffness: Gurley, average, each 100 100 100
direction, not less than (milligrams).
OR
Taber, average, each direction, not 1.2 1.2 1.2
less than (units).....................
Bursting strength: Average, not less 170 170 170
than (kPa)............................
Equivalent (1b/in \2\)............... 25 25 25
Pick resistance: Average, each side, not less than 12-A Dennison wax
number.
Opacity: Average (percent)................... 82 to 91 to 92 to
85 94 95
Note: Opacity shall be uniform throughout the form.
Thickness: Average (mm)...................... 0.115 0.115 0.115
Equivalent (inch).......................... 0.0045 0.0045 0.0045
A tolerance of 0.008 mm (0.0003 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.
White Violet Gray
Porosity: Average, not less than 30 30 30
(seconds).............................
Smoothness: Average, each side (units). 200 to 200 to 100 200 to
100 100
General appearance: Paper shall conform to the standard sample(s)
adopted by the Government.
Color: Shall be as specified and match the Government's standard
sample for color. A deviation of DE(CIELAB)=0.5 from the color
standard is allowed. The paper in the order (or publication) shall be
uniform. The color variation shall not exceed DE(CIELAB)=1.0.
For information only, the CIELAB values (Ill D65, 10 deg. observer)
of the color standard are
White Violet Gray
L*=........... 94.4 89.8 70.0
a*=........... -0.8 1.0 9.0
b*=........... 3.8 1.0 9.0
Formation: Shall be extremely uniform.
Cleanliness: The dirt count for each side of the paper shall not
exceed 10 parts per million (ppm). 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. The precision
requirements of the acceptance criteria (Part 4) shall apply for all
properties except for opacity and formation. Any deviation in the
``excepted'' properties is a critical defect and shall be sufficient
cause for rejection of the paper.
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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 equipped with continuous flow or brush dampening systems.
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 dimensions 32 inches (813 mm) 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\ For technological reasons, this grade currently may not be
readily and/or economically available with postconsumer fiber content.