HG/T 4920-2016 "Determination of Storage Stability of Spinning & weaving Dyeing & Finishing Auxiliaries" specifies the test method for storage stability of Spinning & weaving dyeing & finishing auxiliaries. It is suitable for evaluating the Stability of Spinning & weaving dyeing & finishing auxiliaries after being stored at different temperatures for a certain period of time. It is evaluated by observing the change of the sample and comparing it with the original state. Including the test steps of solid and liquid samples, as well as the requirements for the preparation of test reports. It is under the jurisdiction of the Sub-Technical Committee of Printing and Dyeing Auxiliaries of the National Dyestuff Standardization Technical Committee and issued by the Ministry of Industry and Information Technology. The drafting unit