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GB/T 15592-2021Polyvinyl chloride paste resins (English PDF)

聚氯乙烯糊用树脂

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2021

Implementation date

July 1, 2022

Scope

GB/T 15592-2021 is the English-translated version of 聚氯乙烯糊用树脂.

GB/T 15592-2021 is the Chinese national standard for polyvinyl chloride paste resins, the PVC powders that make a plastisol.

It gives the classification, the requirements - the K value or viscosity number, the volatile matter, the impurities and the behaviour of the paste - the sampling, the test methods, the inspection rules, the marks and the accompanying documents and the provisions on packaging, transport and storage.

It applies to the paste resins made by the emulsion and the related processes, used in coated fabrics, flooring, dip moulding and sealants. Resin producers and the works that compound with them use it.

It replaces GB/T 15592-2008, was issued on 31 December 2021 and has applied since 1 July 2022.

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Document preview — GB/T 15592-2021

National Standard of the People's Republic of China

ICS: 83.080.20
Classification: G 32
Replacing: GB/T 15592-2008

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

Foreword3
1 Scope5
2 Normative References5
3 Terms and Definitions6
4 Classification6
5 Requirements8
6 Sampling8
7 Test Methods9
8 Inspection Rules11
9 Marking and Accompanying Documents12
10 Packaging, Transportation and Storage12

1 Scope

This document specifies the classification, requirements, sampling, test methods, inspection rules, marking, accompanying documents, packaging, transportation and storage of polyvinyl chloride paste resins.

This document applies to polyvinyl chloride paste resins produced using emulsion method, micro-suspension method, and other polymerization methods.

2 Normative References

The contents of the following documents constitute indispensable clauses of this document through the normative references in the text. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document.

GB/T 191 Packaging - Pictorial Markings for Handling of Goods

GB/T 2914-2008 Plastics - Homopolymer and Copolymer Resins of Vinyl Chloride - Determination of Volatile Matter (including water)

GB/T 3401 Determination of the Viscosity of Poly (vinyl chloride) Resins in Dilute Solution Using Capillary Viscometers

GB/T 3402.1 Plastics - Homopolymer and Copolymer Resins of Vinyl Chloride - Part 1. Designation System and Basis for Specifications

GB/T 3402.2 Plastics - Homopolymer and Copolymer Resins of Vinyl Chloride - Part 2. Preparation of Test Samples and Determination of Properties

GB/T 5761-2018 Suspension Polyvinyl Chloride Resins of General Purpose

GB/T 6678 General Principles for Sampling Chemical Products

GB/T 6679 General Rules for Sampling Solid Chemical Products

GB/T 8170 Rules of Rounding off for Numerical Values & Expression and Judgement of Limiting Values

GB/T 9350 Plastics - Homopolymer and Copolymer Resins of Vinyl Chloride - Determination of pH of Aqueous Extract

GB/T 12004.4 Polyvinyl Chloride Paste - Determination of Apparent Viscosity by the Brookfield Test Method

GB/T 16613 Plastics - Preparation of PVC Pastes for Test Purposes - Dissolver Method

GB/T 21988 Plastics - Vinyl Chloride Homopolymer and Copolymer Resins - Sieve Analysis in Water

GB/T 21990 Polyvinyl Chloride (PVC) Pastes - Determination of Fineness of Grind

GB/T 21991-2008 Plastics - Preparation of PVC Paste for Test Purpose - Planetary-mixer Method

GB/T 21992 Polyvinyl Chloride Resins for Paste - Determination of Number of Impurities Particles and Foreign Particles

GB/T 29874 Plastics - Homopolymer and Copolymer Resins of Vinyl Chloride - Determination of Residual Vinyl Chloride Monomer by Gas-chromatographic Analysis of Dry Powder

JJF 1070 Rules of Metrological Testing for Net Quantity of Products in Prepackages with Fixed Content

3 Terms and Definitions

This document does not have terms or definitions that need to be defined.

4 Classification

4.1 Models of Polyvinyl Chloride Paste Resins

The models of resin for polyvinyl chloride paste are composed of 6 parts as specified in GB/T 3402.1.product name, polymerization method, application, viscosity number code, standard paste proportion, and standard paste viscosity code.

5 Requirements

5.1 Appearance

White powder.

5.2 Properties

The viscosity number, K value, or average degree of polymerization of the polyvinyl chloride paste resins shall meet the requirements of Table 1; the standard paste viscosity shall meet the requirements of Table 3; and other physical and chemical properties shall meet the requirements of Table 4.

6 Sampling

6.1 Batching

A batch consists of products obtained from a single reactor or several reactors produced under the same polymerization conditions, thoroughly mixed.

6.2 Sampling

6.2.1 For bagged products, in accordance with the provisions of GB/T 6678, determine the number of sampling units. Use a suitable sampling probe specified in GB/T 6679, vertically insert it into the center of the packaging bag to a depth of 3/4 to collect the samples. During exit-factory inspection and type inspection, manufacturing enterprises may use automatic sampling devices (or manual sampling) at intervals on the packaging line to collect representative samples. The sampling quantity shall not be less than 2 kg.

6.2.2 Thoroughly mix the collected samples, place them in a clean, dry container (or plastic bag), and tightly seal (samples used for determining residual vinyl chloride monomer content shall be stored in a well-sealed sample bottle and compacted to the brim). Label the container with the manufacturing enterprise's name, product name, model, batch number or production date, sampling quantity and sampling date, etc.

7 Test Methods

7.2 Determination of Viscosity Number, K Value and Average Degree of Polymerization

7.1 Appearance

Visually observe under natural light.

7.2.1 Description of determination methods

Any method may be chosen for determining viscosity number, K value and average degree of polymerization. Among them, GB/T 3401 is the arbitration method.

7.2.2 Determination of viscosity number

Determine in accordance with the method specified in GB/T 3401.

7.2.3 Determination of K value

Determine in accordance with the method specified in GB/T 3401.

7.2.4 Determination of average degree of polymerization

Determine in accordance with the method specified in Appendix A of GB/T 5761-2018.

7.3 Determination of Standard Paste Viscosity

7.3.1 Use the standard paste proportions in Table 2, in accordance with the method specified in

GB/T 21991-2008 or GB/T 16613, prepare paste. The paste prepared using method B specified

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 24150-2026|GB/T 32679-2026|GB/T 46830.1-2026|GB/T 46830.2-2026|GB/T 33319-2025|GB/T 40006.10-2025

Editions of GB/T 15592

Edition	Title	Revision	Status
GB/T 15592-2021	Polyvinyl chloride paste resins	current edition	Current
GB/T 15592-2008	Polyvinyl chloride paste resins	previous edition	Superseded

This page sells the current edition, GB/T 15592-2021. Earlier editions are listed for reference only.

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