FSC 3610                                                        JCP O-50
Miscellaneous Paper                                     February 1, 1999

Use information: This paragraph is informational only and is not 
    exclusively definitive of the end use.
  This paper is used for the photographic masking process and for face 
and back offset printing.
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.
Equilibrium relative humidity: Shall be 45 pct 8 pct at 23  
  deg.C 2  deg.C.

Grammage (g/m\2\)................................. 120
  Basis weight: 25 by 38 inches, 500 sheets 
(pounds).......................................... 80
  A tolerance of 5 pct shall be 

Bursting strength: Average, not less than (kPa)... 140
  Equivalent (lb/in\2\)........................... 21
Coating: Shall be uniformly applied; shall not be gritty, mottled, 
  stippled, or ribbed in appearance; shall not crack or flake off.
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 and 
  match the goldenrod standard. The color variation shall not exceed 
  DE(CIELAB)=1.0. The CIELAB values (Ill D65, 10 deg. observer) of the 
  color standard are
      L*=78.0 to 82.0
      a*=9.5 to 13.5
      b*=67.0 to 71.0
  Light transmission: Shall not exceed 0.1 pct at wavelengths below 540 
  nanometers and 4.5 pct at wavelengths from 540 to 700 nanometers, as 
  measured spectrophotometrically.
  Finish and formation: Shall be uniform.
  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 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
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 uniform, free from mottle, and any particles which 
  will pick, lift, fluff, or pile on the blanket under normal press 
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.

    \1\ This grade is typically a low Government usage paper and 
currently not readily and/or economically available with postconsumer 
fiber content.