"HB 6743-1993 Test Method for Determination of Non-Volatile Content of Room Temperature Vulcanizing Sealants" is a standard for the test method for the determination of non-volatile content in room temperature vulcanizing sealants. This standard is applicable to the quality control and product evaluation of various types of room temperature vulcanizing sealants. The standard describes in detail the preparation method of the sample, the equipment required during the test, the operation steps and calculation methods to ensure the accuracy and reliability of the measurement results. By implementing this standard, the content of non-volatile content in room temperature vulcanizing sealants can be evaluated, which is of great significance for ensuring product mass, guiding production processes and meeting customer needs.