GB/T 11420-1989 "Measurement of specular gloss of vitreous and porcelain enamels"

GB/T 11420-1989 stipulates the test method of enamel Gloss. The standard specifies the test principle, required instruments and equipment, and standardizes the test steps, including sample preparation, Geometry setting and gloss calculation. It provides a unified standard for the accurate determination of enamel product surface gloss, which is convenient for measuring the appearance mass of enamel products. It has important guiding significance in enamel production quality control, product inspection and trade acceptance.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.