1 Scope
This standard specifies the classification, designation, requirements, test methods, inspection rules, marking and accompanying documents, packaging, transportation and storage of recycled polypropylene compound.
This standard is applicable to the polypropylene materials which have been recycled and modified from industrial products and daily necessities.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1033.1-2008 Plastics — Methods for determining the density of non-cellular plastics — Part 1: Immersion method liquid pyknometer method and titration method
GB/T 1040.2-2006 Plastics — Determination of tensile properties — Part 2: Test conditions for moulding and extrusion plastics
GB/T 1634.2 Plastics — Determination of temperature of deflection under load — Part 2: Plastics and ebonite
GB/T 1843 Plastics — Determination of izod impact strength
GB/T 1844.1-2008 Plastics — Symbols and abbreviated terms — Part 1: Basic polymers and their special characteristics
GB/T 2546.2 Plastics — Polypropylene(PP) moulding and extrusion materials — Part 2:Preparation of test speciments and determination of properties
GB/T 2547 Plastic resins — Sampling
GB/T 2918 Plastics — Standard atmospheres for conditioning and testing
GB/T 3682.1-2018 Plastics — Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics — Part 1:Standard method
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 9341 Plastics — Determination of flexural properties
GB/T 9345.1-2008 Plastics — Determination of ash — Part 1: General methods
GB/T 17037.1-2019 Plastics — Injection moulding of test specimens of thermoplastic materials — Part 1:General principles, and moulding of multipurpose and bar test specimens
GB/T 26125 Electrical and Electronic Products — Determination of Six Regulated Substances (Lead, Mercury, Cadmium, Hexavalent Chromium, Polybrominated Biphenyls, Polybrominated Diphenyl Ethers)
GB/T 31331-2014 Requirement and identification for environmental protection of modified plastics
SH/T 1541 Test method for appearance of thermoplastic granules
SN/T 3019.1 Determination of halogen in electrical and electronic products — Part 1: Hydrogen bomb combustion-Ion chromatography
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
polypropylene recycled material
polypropylene material recycled by mechanical regeneration operation
3.2
recycled polypropylene compound
recycled compound with uniform appearance and performance is obtained by filling, blending and alloying, with polypropylene recycled material as the main component and other resins or the additives which can improve the mechanical, rheological, flammability, service life, thermal and color properties of polypropylene recycled material as auxiliary components
4 Classification and designation
4.1 General provisions
Classification and designation of recycled polypropylene compound are based on the following standard modes:
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Requirements
6 Test methods
7 Inspection rules
8 Marking and accompanying documents
9 Packaging, transportation and storage
Annex A (Informative) Conformance declaration of the standard
1 Scope
This standard specifies the classification, designation, requirements, test methods, inspection rules, marking and accompanying documents, packaging, transportation and storage of recycled polypropylene compound.
This standard is applicable to the polypropylene materials which have been recycled and modified from industrial products and daily necessities.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1033.1-2008 Plastics — Methods for determining the density of non-cellular plastics — Part 1: Immersion method liquid pyknometer method and titration method
GB/T 1040.2-2006 Plastics — Determination of tensile properties — Part 2: Test conditions for moulding and extrusion plastics
GB/T 1634.2 Plastics — Determination of temperature of deflection under load — Part 2: Plastics and ebonite
GB/T 1843 Plastics — Determination of izod impact strength
GB/T 1844.1-2008 Plastics — Symbols and abbreviated terms — Part 1: Basic polymers and their special characteristics
GB/T 2546.2 Plastics — Polypropylene(PP) moulding and extrusion materials — Part 2:Preparation of test speciments and determination of properties
GB/T 2547 Plastic resins — Sampling
GB/T 2918 Plastics — Standard atmospheres for conditioning and testing
GB/T 3682.1-2018 Plastics — Determination of the melt mass-flow rate(MFR)and melt volume-flow rate(MVR)of thermoplastics — Part 1:Standard method
GB/T 8170 Rules of rounding off for numerical values & expression and judgment of limiting values
GB/T 9341 Plastics — Determination of flexural properties
GB/T 9345.1-2008 Plastics — Determination of ash — Part 1: General methods
GB/T 17037.1-2019 Plastics — Injection moulding of test specimens of thermoplastic materials — Part 1:General principles, and moulding of multipurpose and bar test specimens
GB/T 26125 Electrical and Electronic Products — Determination of Six Regulated Substances (Lead, Mercury, Cadmium, Hexavalent Chromium, Polybrominated Biphenyls, Polybrominated Diphenyl Ethers)
GB/T 31331-2014 Requirement and identification for environmental protection of modified plastics
SH/T 1541 Test method for appearance of thermoplastic granules
SN/T 3019.1 Determination of halogen in electrical and electronic products — Part 1: Hydrogen bomb combustion-Ion chromatography
3 Terms and definitions
For the purposes of this standard, the following terms and definitions apply.
3.1
polypropylene recycled material
polypropylene material recycled by mechanical regeneration operation
3.2
recycled polypropylene compound
recycled compound with uniform appearance and performance is obtained by filling, blending and alloying, with polypropylene recycled material as the main component and other resins or the additives which can improve the mechanical, rheological, flammability, service life, thermal and color properties of polypropylene recycled material as auxiliary components
4 Classification and designation
4.1 General provisions
Classification and designation of recycled polypropylene compound are based on the following standard modes:
Contents of GB/T 38288-2019
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and designation
5 Requirements
6 Test methods
7 Inspection rules
8 Marking and accompanying documents
9 Packaging, transportation and storage
Annex A (Informative) Conformance declaration of the standard
