Film: Opacity Test of Black Films

Type: Test Methods
Product Line: Specialty Carbon Blacks

97.0 kb

In some applications, film opacity is a key parameter. For instance, the films used for garbage bags should hide the bag's contents. However, films used for some agricultural mulch require a certain level of opacity to prevent weeds from growing.

This brochure details the measurement principles and the test methods used to determine the opacity of black films.

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