ASTM F556-88(1996)e1

ASTM F556-88(1996)e1 - 25.4.1988

1. Scope

1.1 This test method covers the determination of the curl of carbonless copy papers, that is, the degree of curvature of a sheet of these papers when exposed to varying conditions of humidity.

1.2 This test method may be used for manufacturing control, development, and research.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

TIS 0808	Equilibrium Relative Humidities over Saturated Salt Solutions Available from Technical Association of the Pulp and Paper Industry (TAPPI), P.O. Box 105113, Atlanta, GA 30348; 15 Technology Parkway South, Norcross, GA 30092.
F549-85(2000)	Standard Terminology Relating to Carbonless Copy Products
F221-98	Standard Terminology Relating to Carbon Paper and Inked Ribbon Products and Images Made Therefrom
E104-20a	Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solutions (Includes all amendments and changes 12/21/2020).
D585-97	Standard Practice for Sampling and Accepting a Single Lot of Paper, Paperboard, Fiberboard, and Related Product
D685-22	Standard Practice for Conditioning Paper and Paper Products for Testing