Methods For Testing Lubricity And Scratch Resistance Of Coated Glass Containers

This report presents methods for testing lubricity and scratch resistance of coated glass containers. Two tests for evaluating lubricating coatings on glass are: (i) Lubricity; and, (ii) Scratch. The first is essentially a measure of static coefficient of friction between glass containers under no load except their own weight. The second is a measure of static coefficient of friction between glass containers under no load except their own weight. The second is a measure of the load needed to develop glass-to-glass contact between two glass containers in sliding contact.