This part of GB/T 13477 specifies the method for the determination of the extrudability of single-component sealing materials in original packaging used for direct construction of building joints. This section applies to the determination of the extrudability of single-component solvent-based sealing materials for gun barrels or film packaging, and other types of sealing materials can also be used as a reference.
GB/T 13477.4-2002 history
2017GB/T 13477.4-2017 Test method for building sealants—Part 4:Determination of extrudability of one-component sealants
2002GB/T 13477.4-2002 Test method for building sealants Part 4: Determination of extrudability of one-component sealants