This Standard specifies a system of marking of plastics products, the system covers the dimension, colors, quantity and setting location of marking.
Provision for the process or processes to be used for marking is outside the scope in this Standard.
Note: The marking system is intended to help identify plastics products for subsequent decisions concerning handling waste recovery or disposal.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 1844.1-1995 Symbols of plastics and resins — Part 1: Basic polymers and their special characteristics (neq ISO 1043-1:1987)
GB/T 1844.2-1995 Symbols of plastics and resins — Part 2: Fillers and reinforcing materials (neq ISO 1043-2:1987)
GB/T 1844.3-1995 Symbols of plastics and resins — Part 3: Plasticizers (neq ISO 1043-3:1987)
GB/T 2035-1996 Terms and definitions for plastics (eqv ISO 472:1988)
GB/T 16903.1-1997 Rules for the presentation of graphical symbols — Graphical symbols for use on graphical signs — Part 1: Creation of graphical signs
ISO 1043-1 Plastics — Symbols and abbreviated terms — Part 1: Basic polymers and their special characteristics
ISO 1043-2 Plastics — Symbols and abbreviated terms — Part 2: Fillers and reinforcing materials
ISO 1043-3 Plastics — Symbols and abbreviated terms — Part 3: Plasticizers
ISO 1043-4 Plastics — Symbols and abbreviated terms — Part 4: Flame retardants
