GB/T 1721-2008 "Method for Determination of Appearance and Transparency of Varnishes, Boiled Oils and Thinners" specifies the methods for determining the appearance and transparency of varnishes, boiled oils, and thinners, and is applicable to the quality inspection of related products. Appearance is observed visually under natural light, while transparency is assessed using the turbidimetric method or the column method, requiring equipment such as transparency measuring tubes and standard turbidity solutions. The testing procedure is simple and provides a standardized method for quality control of product appearance.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | G50 | ICS | 87.040 |
| Release Date | 2008-06-04 00:00:00 | Implementation Date | 2008-12-01 00:00:00 |
