General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 1844.4-2008
Scope
This part of GB/T 1844 specifies the unified symbols for flame retardants added to plastic materials. Symbols are formed by the abbreviation "FR" followed by one or more codes given in Chapter 5. Use these symbols with the symbols for plastic materials to name plastic materials and to identify and label plastic products.
GB/T 1844.4-2008 Referenced Document
GB/T 1844.1-2008 Plastics.Symbols and abbreviated terms.Part1:Basic polymers and their special characteristics
GB/T 1844.2-2008 Plastics.Symbols and abbreviated terms.Part2:Fillers and reinforcing materials
GB/T 1844.3-2008 Plastics.Symbols and abbrebiated terms.Part 3:Plasticizers
GB/T 1844.4-2008 history
2008GB/T 1844.4-2008 Plastics.Symbols and abbreviated terms.Part 4:Flame retardants