GB 1759-1979 "Method for determination of cissing rate after painting of cloth" is a national standard, which stipulates the determination method of cissing rate after painting of cloth. The content includes the test principle, equipment requirements, sample preparation (size marking of cloth before and after painting), drying condition control and cissing rate calculation steps, and the cissing rate is calculated by measuring the size change of cloth before and after painting. The standard is applicable to the performance testing of various types of cloth after painting, providing a technical basis for evaluating the impact of painting process on the dimensional stability of cloth, helping to standardize the quality control process of painted cloth, and ensuring the dimensional accuracy and application performance of related products.