Taber Abrasion Test


Coating hardness is the capacity of a coating to resist scratching, marring or gouging of foreign objects. The Taber abrasion test was developed as an accelerated wear testing method to simulate the wearing of surfaces over a longer period of time. It involves a flat surface being placed on a turntable platform that rotates on a vertical axis at a fixed speed, with 2 abrasive wheels being placed on opposite corners applied at a specific pressure. With this standardized testing methodology, one can determine the rub-wearing of the surface over time in a matter of minutes, versus the long unpredictable in-use wear testing that would take years to complete.

Accelerated coating hardness & rub-wear simulating standardized test

ASTM Specifications

ASTM D4060
ASTM Title
Standard Test Method for Abrasion Resistance of Organic Coatings by the Taber Abraser
This test method covers the determination of the resistance of organic coatings to abrasion produced by the Taber Abraser on coatings applied to a plane, rigid surface, such as a metal panel.

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