Paul N. Gardner Co. (Pompano Beach, FL) offers a compact CFT friction tester that provides detailed information of the slip characteristics of packaging material. Surface slip is a key factor when printing, erecting, or filling packaging materials on an automatic line. The CFT measures both static and dynamic coefficients of friction. A sample of 2.5 × 2.5" with a weight acting over the entire surface area is moved over another sample at a given speed. Static and dynamic coefficients of friction (COF) are automatically calculated and displayed on-screen. Features include graphical representation of forces during test, and pre-loaded ISO/ASTM/TAPPI test methods.

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    This article first appeared in the August, 2016 issue of Test & Measurement Tech Briefs Magazine.

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