This standard specifies the terms and definitions, requirements, test methods, inspection rules, marking, packaging, transportation and storage of silicone sealants for vehicle lights. This standard applies to room temperature curing silicone sealants for automotive lamps formulated with polysiloxane as the base glue and adding additives.
HG/T 4909-2016 Referenced Document
GB/T 13477.3 Test method for building sealants—Part 3：Determination of extrudability of sealants using standardized apparatus*， 2017-05-31 Update
GB/T 13477.5 Test method for building sealants Part 5: Determination for tack-free time
GB/T 13477.7 Test method for building sealants Part 7: Determination of low-temperature flexibility
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 2793 Test method for nonvolatile content of adhesives