JCP A72 Flexural Offset Book 1 February 1, 2008 Printing Paper FSC 9310 Use Information: This paragraph is informational only and is not exclusively definitive of the end use. For minimum quality face and back offset printing of catalogs, pamphlets, newsletter, newspapers, etc., of a non-permanent nature. Printed matter may include text, line illustrations, and halftones up to 120-line screen. Particularly suited for adhesive bound publication and requiring the product to lay flat when in an open position. Stock: Not to exceed 75% ground woodpulp; the remainder chemical pulp. Note: Not less than 30% postconsumer fiber. Any percent over 30 percentage points, is encouraged, provided that the requirements of this Standard are met. Basis weight: 25 by 38 inches, 500 sheets (pounds)……… …………….. 27 35 A tolerance of +5% shall be allowed. Stiffness (flexibility): Average, cross direction, not to exceed (milligrams) …… 40 40 Bursting strength: Average, not less Than (lb/in2) ……………………………. 9 11 Opacity: Average, not less than (percent) ……………………………….. 84 84 No individual specimen shall average less than (percent) ………………..……. 82 82 Thickness: Average (mils)…. ………… 2.4 2.7 A tolerance of +0.0002 inch and -0.0004 inch shall be allowed. Paper shall be uniform and shall not vary more than 0.0004 inch from edge to edge. General appearance: Paper shall conform to the standard sample(s) established by the Government. Brightness: Shall be not less than 59% 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. Finish and formation: Shall be uniform. Cleanliness: Shall match the Government standard. Testing: Shall be conducted in accordance with methods in part 2, Government Paper Specification Standards. The acceptance criteria Part 4 shall apply. _ _________ 1 This grade is typically not available in less than mill run quantities.