Providing worldwide interlaboratory testing since 1971


General Tests

These analyses include properties like Thickness, Roughness and Coefficient of Friction critical for the end use of paper products. Please see below for a complete list of the analyses offered.


360 Thickness (Caliper)

Printing Papers in 3-6 mil range


361 Thickness (Caliper)

Heavyweight & Packaging Papers in 6-15 mil range


364 Coefficient of Friction

Coefficient of Static Friction by Horizontal plane


365 Coefficient of Friction

Coefficient of Kinetic Friction by Horizontal plane


370 Air Resistance/Porosity

Gurley Oil Type on Uncoated Printing Papers


372 Air Resistance/Porosity

Sheffield Type on Uncoated Printing Papers using 3/4" orifice


376 Roughness

Print-surf Type, Low range (0.5 to 4.0 microns)


377 Roughness

Print-surf type, High range (2.5 to 6.0 microns)


378 Roughness

Sheffield Method


382 Moisture Content

Use drying oven or microwave technique


398 Grammage

Printing Papers - 13" x 20" samples used


399 Sizing

Hercules Sizing Test (HST) on Printing Papers

Copyright © CTS, Inc., 2018

Collaborative Testing Services, Inc.
P.O. Box 650820, Sterling, Virginia, USA 20165-0820
Phone: 1-571-434-1925