Universal Testing & Research Center (Division of Sustainable Stewardship Private Limited), an ISO 17025:2017 certified Laboratory approved by BIS, NABL and QAI.Pencil hardness testing, also known as the Wolff-Wilborn test, is a standardized method used to assess the hardness or scratch resistance of a coating or material. This test is commonly employed in the field of coatings, paints, and finishes. The procedure involves using pencils with different hardness levels to determine the coating's ability to resist scratching and indentation. Here's an overview of the pencil hardness testing method:

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