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GB/T 39690.1-2020Plastics - Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging - Part 1: Designation system and basis for specification (English PDF)

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 14, 2020

Implementation date

July 1, 2021

Scope

GB/T 39690.1-2020 (Plastics - Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging - Part 1: Designation system and basis for specification) is available as an English-translated PDF.

GB/T 39690.1-2020 is Part 1 of GB/T 39690 and establishes the designation system and the basis for specification for mixtures of polypropylene and polyethylene recyclate derived from PP and PE used for flexible and rigid consumer packaging, for moulding and extrusion.

The mixtures are told apart by a classification system built on four designatory properties: composition, melt mass-flow rate, density and colour, and worked examples of designations are given.

Recyclate from packaging that held hazardous goods must not be used, and the document does not cover blends of recyclate with virgin resin or mixtures containing special grades such as PE-UHMW or TPO.

It provides no engineering, performance or processing data, and further properties are determined in accordance with ISO 18263-2. An identical translation of ISO 18263-1:2015, it was issued on 14 December 2020 and has applied since 1 July 2021.

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Document preview — GB/T 39690.1-2020

National Standard of the People's Republic of China

ICS: 83.080.20
Classification: G 31

Issued by: SAMR; SAC

Foreword3
1 Scope5
2 Normative references6
3 Designation system6
4 Examples of designations9

Foreword

GB/T 39690 "Plastics - Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging" is divided into two parts:

- Part 1: Designation system and basis for specification;

- Part 2: Preparation of test specimens and determination of properties.

This Part is Part 1 of GB/T 39690.

This Part is drafted in accordance with the rules given in GB/T 1.1-2009.

This Part, using translation method, is identical to ISO 18263-1:2015 "Plastics - Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging - Part 1: Designation system and basis for specification".

China's documents which have a consistent correspondence with the international documents normatively referenced in this Part are as follows:

- GB/T 1033 (all parts) Plastics - Methods for determining the density of non-cellular plastics [ISO 1183 (all parts)]

- 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 (ISO 1133-1:2011, MOD)

- GB/T 39690.2-2020 Plastics - Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging - Part 2: Preparation of test specimens and determination of properties (ISO 18263-2:2015, IDT)

1 Scope

This Part of GB/T 39690 establishes the designation system and basis for specification for mixtures of polypropylene (PP) and polyethylene (PE) recyclate.

It covers mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging for moulding and extrusion. Recyclate from packaging used for the transport, handling, or storage of hazardous goods shall not be used.

It does not apply to mixtures of recyclates and virgin resin.

It does not apply to the mixtures containing special type of PE or PP, for example, PE-UHMW, TPO, etc.

The types of mixtures of PP and PE recyclate are differentiated from each other by a classification system based on appropriate levels of the designatory properties.

a) Composition

b) Melt mass-flow rate

c) Density

d) Colour

It is not intended to imply that materials having the same designation give necessarily the same performance. This Part of GB/T 39690 does not provide engineering data, performance data, or data on processing conditions which may be required to specify a material for a particular application and/or method of processing. If additional properties are required, they shall be determined in accordance with the provisions of ISO 18263-2, if applicable. […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 1033 · ISO 18263-2:2015

Cited by

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