One. Uses: The hardness of the coating film is an indispensable indicator for quality certification in the paint manufacturing and paint use (coating table) industries. The pencil scratch method to test the hardness of the coating film is a test method commonly used internationally since the 1980s. China has also promoted this test method in the development research and industrial production of coatings. This instrument is designed and manufactured according to the manual operation method of Articles 2 and 3 of the national standard "Determination of Coating Hardness Pencil" "GB6379-86" The instrument can be used in the laboratory, can also be applied to the construction site, and can identify the hardness of the coating in any direction.
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Xi'an Double H Health Technology Co., Ltd , https://www.xadoubleh.com