GB/T 19466.1-2025Plastics - Differential scanning calorimetry (DSC) method - Part 1: General principles (English PDF)
塑料 差示扫描量热（DSC）法 第1部分：通则
Also coversGB/T19466.1-2025 + GBT19466.1-2025
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 2, 2025
Implementation date
July 1, 2026
Scope
GB/T 19466.1-2025 is the English-translated version of 塑料 差示扫描量热（DSC）法 第1部分：通则.
Differential scanning calorimetry, or DSC, is widely used to study the thermal behaviour of plastics. This standard is Part 1 of the DSC series and sets out general principles. The other parts of the series deal with specific measurements, while this one provides the common basis for them. It is a recommended national standard.
Polymer manufacturers, converters, university and industrial laboratories, instrument vendors and quality assurance teams working with thermal analysis are its natural readers. Anyone writing a laboratory method for DSC on plastics will find that general principles shared across measurements are collected here.
The 2025 edition was issued on 2 December 2025 and took effect on 1 July 2026, so it is already in force. It replaces GB/T 19466.1-2004. Laboratories that still follow the earlier edition should check their methods against the current text.
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Document preview — GB/T 19466.1-2025
National Standard of the People's Republic of China
- ICS
- 83.080.01
- Classification
- G31
- Replacing
- GB/T 19466.1-2004
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
Foreword
GB/T 19466.1-2025 is a recommended national standard (GB/T) of the People's Republic of China, issued on 2 December 2025 by the State Administration for Market Regulation and the Standardization Administration of China, with effect from 1 July 2026.
This edition replaces GB/T 19466.1-2004.
The document adopts an international standard (ISO or IEC).
It is under the responsibility of the China Petroleum and Chemical Industry Federation.
Classification: ICS 83.080.01; CCS G31.
1 Scope
Differential scanning calorimetry, or DSC, is widely used to study the thermal behaviour of plastics. This standard is Part 1 of the DSC series and sets out general principles. The other parts of the series deal with specific measurements, while this one provides the common basis for them. It is a recommended national standard.
Polymer manufacturers, converters, university and industrial laboratories, instrument vendors and quality assurance teams working with thermal analysis are its natural readers. Anyone writing a laboratory method for DSC on plastics will find that general principles shared across measurements are collected here.
The 2025 edition was issued on 2 December 2025 and took effect on 1 July 2026, so it is already in force. It replaces GB/T 19466.1-2004. Laboratories that still follow the earlier edition should check their methods against the current text.
Remaining clauses in the full document
- 2 Normative references
- 3 Terms and definitions
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 29288-2026Thermoformable rigid polyurethane cellular plastics
- GB/T 47879-2026Plastics - Fast differential scanning calorimetry (FSC) - Chip calorimetry
- GB/T 47920-2026Plastics - Testing and characterization of mechanically recycled polypropylene (PP) and polyethylene (PE) for intended use in different plastics processing techniques
- GB/T 19466.3-2025Plastics - Differential scanning calorimetry(DSC) method - Part 3: Determination of temperature and enthalpy of melting and crystallization
- GB/T 19466.4-2025Plastics - Differential scanning calorimetry(DSC) method - Part 4: Determination of specific heat capacity
- GB/T 19466.7-2025Plastics - Differential scanning calorimetry (DSC) method - Part 7: Determination of crystallization kinetics
Similar standards
Editions of GB/T 19466.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 19466.1-2025 | Plastics - Differential scanning calorimetry (DSC) method - Part 1: General principles | current edition | Current |
| GB/T 19466.1-2004 | Plastics - Differential scanning calorimetry (DSC - Part 1: General principles | previous edition | In force until 1 July 2026 |
This page sells the current edition, GB/T 19466.1-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 19466.1-2004 — Plastics -- Differential scanning calorimetry (DSC) -- Part 1: General principles
GB/T 19466.2-2025 — Plastics - Differential scanning calorimetry (DSC) method - Part 2: Determination of glass transition temperature and step height
GB/T 19466.2-2004 — Plastics -- Differential scanning calorimetry (DSC) -- Part 2: Determination of glass transition temperature
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