JCP L10 Litho (Gloss) Coated Cover February 1, 2008 

Cover Paper FSC 9310 

 

Use Information: This paragraph is informational only and is not exclusively definitive of the end use. 

For high quality multicolor face and back offset printing of covers for book, periodicals, etc. Printed matter may include text, 
line illustrations, halftones up to 150-line screen.and solid reverses.

 

Stock: Ground wood pulp, not to exceed 1%. 

Note: Not less than 10% postconsumer fiber. Any percent 
over 10 percentage points, is encouraged, provided that 
the requirements of this Standard are met. 

 

Basis weight: 20 by 26 inches, 500 
sheets (pounds) …………………… 

 

60/65 

 

80 

 

100 

A tolerance of +5% shall be allowed. 

 

 

 

Bursting strength: Average not 
less than (lb/in2) …………………... 

 

 

 

35 

 

 

50 

 

 

60 

Tearing strength: Average each 
direction not less than (grams) …… 

 

 

75 

 

100 

 

120 

Opacity: Average not less than 

(percent) ………………………….. 

 

93 

 

94 

 

95 

No individual specimen shall 
average less than (percent) ……….. 

 

91 

 

92 

 

93 



 

 

Gloss (75o): Average each side not less 

than (percent) ………………………. …… . 50 

 

Smoothness of coating: Average, each side 

not to exceed (Sheffield units) …………….. 110 

 

General appearance: Paper shall conform to the standard 
sample(s) established by the Government. 

Brightness: Shall not less than target 83% or as specified. 

Color: The paper in the order (or publication) shall be 
uniform and the color variation shall not exceed 
DE(CIELAB) = 1.0. 

Formation: Coating shall be uniform; shall be uniformly 
applied; shall not be gritty, mottled, stippled, or ribbed in 
appearance; and shall not exhibit cracks 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 cm2 in size) shall contain more than one defect 
with equivalent area of 0.25 mm2 or greater. 

 

 

OPTION 

 

Alkaline paper. This option is for products requiring above average permanence. Replace / add the following properties. 

 

Stock: 100% bleached chemical woodpulp. 

Note: Not less than 10% postconsumer fiber. Any percent 
over 10 percentage points, is encouraged, provided that 
the requirements of this Standard are met. 

 

 

 

Acidity: pH value by cold extraction. Average, not less 
than 7.0 for both the coating and base paper. 

Note: Any deviation in this requirement is sufficient cause 
for rejection of the paper. 

 

 

Testing: Shall be conducted in accordance with methods in part 2, Government Paper Specification Standards. The 
acceptance criteria Part 4 shall apply.