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GB/T 46386.2-2025Plastics - Poly(butylene adipate terephthalate) (PBAT) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (English PDF)

塑料　聚对苯二甲酸-己二酸丁二酯（PBAT）模塑和挤出材料　第2部分：试样制备和性能测定

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 5, 2025

Implementation date

May 1, 2026

Scope

GB/T 46386.2-2025 is the English-translated version of 塑料　聚对苯二甲酸-己二酸丁二酯（PBAT）模塑和挤出材料　第2部分：试样制备和性能测定.

GB/T 46386.2-2025 is the Chinese standard "Plastics - Poly(butylene adipate terephthalate) (PBAT) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties".

Its scope clause reads: This document describes the sample preparation and performance determination of polybutylene terephthalate (PBAT) molding and extrusion materials.

Methods. This document also specifies the requirements for the pretreatment of test materials and the conditioning of specimens before testing. This document applies to direct polycondensation or chain extension methods using terephthalic acid (or its dimethyl ester), adipic acid, and 1,4-butanediol as the main raw materials. PBAT resin produced by [method name missing].

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Document preview — GB/T 46386.2-2025

National Standard of the People's Republic of China

ICS: 83.080.20
Classification: G 31

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
Introduction
1 Scope
2 Normative references

1 Scope

This document describes the sample preparation and performance determination of polybutylene terephthalate (PBAT) molding and extrusion materials.

Methods. This document also specifies the requirements for the pretreatment of test materials and the conditioning of specimens before testing.

This document applies to direct polycondensation or chain extension methods using terephthalic acid (or its dimethyl ester), adipic acid, and 1,4-butanediol as the main raw materials.

PBAT resin produced by [method name missing].

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are listed below.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 1033.1 Determination of density of non-foamed plastics - Part 1.Impregnation method, liquid pyrometer method and titration method

GB/T 1034 Determination of water absorption of plastics

GB/T 1040.2 Determination of tensile properties of plastics - Part 2.Test conditions for molded and extruded plastics

GB/T 1043.1 Determination of impact properties of simply supported plastic beams - Part 1.Non-instrumental impact testing

GB/T 1043.2 Determination of impact properties of simply supported plastic beams - Part 2.Instrumented impact testing

GB/T 1633 Determination of Vicat softening temperature (VST) of thermoplastics

GB/T 1634.2 Determination of temperature of deformation under load for plastics - Part 2.Plastics and hard rubber

GB/T 2035 Plastics Terminology

GB/T 2406.2 Determination of flammability of plastics by oxygen index method - Part 2.Room temperature test

GB/T 2408 Determination of flammability of plastics - Horizontal and vertical methods

GB/T 2918 Standard Environment for Conditioning and Testing of Plastic Specimens

GB/T 3682.1 Measurement of melt mass flow rate (MFR) and melt volumetric flow rate (MVR) of thermoplastics

Part 1.Standard Methods

GB/T 9341 Determination of Flexural Properties of Plastics

GB/T 9345.1 Determination of ash content in plastics - Part 1.General method

GB/T 11115 Polyethylene (PE) Resin

GB/T 11546.1 Determination of creep properties of plastics - Part 1.Tensile creep

GB/T 12006.2 Polyamide Plastics - Part 2.Determination of Moisture Content

GB/T 14190 Test methods for fiber grade polyester (PET) chips

GB/T 16422.2 Plastics - Laboratory Light Source Exposure Test Methods - Part 2.Xenon Arc Lamps

GB/T 16578.2 Determination of tear resistance of plastic films and sheets - Part 2.Elmendor method

GB/T 17037.1 Plastics - Preparation of Injection Molded Specimens from Thermoplastic Materials - Part 1.General Principles and Multipurpose Specimens and Long Specimens

Preparation of strip specimens

GB/T 46018.1 | GB/T 46019.1 | GB/T 46020.1 | GB/T 12002 | GB 16413 | GB/T 46386.1 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

Cited by

GB/T 46386.1-2025Plastics - Poly(butylene adipate terephthalate) (PBAT) moulding and extrusion materials - Part 1: Designation system and basis for classification

Editions of GB/T 46386.2

Edition	Title	Revision	Status
GB/T 46386.2-2025	Plastics - Poly(butylene adipate terephthalate)(PBAT)moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties	current edition	Current

This page sells the current edition, GB/T 46386.2-2025. Earlier editions are listed for reference only.

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