GB/T 6646-2008
Chrysotile asbestos test methods (English Version)
- Standard No.
- GB/T 6646-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 6646-2008
- Replace
- GB/T 8073-1987 GB/T 6646.6-1986 GB/T 6646.5-1986 GB/T 6646.4-1986 GB/T 6646.3-1986 GB/T 6646.2-1986 GB/T 6646.1-1986
- Scope
- This standard specifies dry classification and inclusion content determination methods, wet classification methods, rapid wet classification methods, specific surface area determination methods, sand and undissolved chrysotile content determination methods, moisture determination methods, and debonded cotton for chrysotile products. Content determination method, rapid determination method of fine powder content, sand content determination method, loose density determination method. This standard applies to the quality testing of machine-selected chrysotile products. Other fibrous minerals can also be used by reference.
GB/T 6646-2008 Referenced Document
- GB 8072 Method of sampling and preparation for chrysotile asbestos
- GB/T 6003.1 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth*， 2022-10-12 Update
GB/T 6646-2008 history
- 2008 GB/T 6646-2008 Chrysotile asbestos test methods
- 1987 GB/T 8073-1987 Method of wet determination for loftiness of chrysotile asbestos
- 1986 GB/T 6646.1-1986 Method for dry classification of chrysotile asbestos fibre
GB/T 6646-2008 Chrysotile asbestos test methods has been changed from GB/T 8073-1987 Method of wet determination for loftiness of chrysotile asbestos.
