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GB/T 32983-2025: Thermal insulating products for building applications - Determination of compressive creep
Status: Valid GB/T 32983: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32983-2025 | English | 444 |
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Thermal insulating products for building applications - Determination of compressive creep
| Valid |
GB/T 32983-2025
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| GB/T 32983-2016 | English | 354 |
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Thermal insulating products for building applications -- Determination of compressive creep
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GB/T 32983-2016
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PDF similar to GB/T 32983-2025
Basic data | Standard ID | GB/T 32983-2025 (GB/T32983-2025) | | Description (Translated English) | Thermal insulating products for building applications - Determination of compressive creep | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q25 | | Classification of International Standard | 91.120.10 | | Word Count Estimation | 22,212 | | Date of Issue | 2025-06-30 | | Date of Implementation | 2026-01-01 | | Older Standard (superseded by this standard) | GB/T 32983-2016 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 32983-2025: Thermal insulating products for building applications - Determination of compressive creep
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT32983-2025
ICS 91.120.10
CCSQ25
National Standard of the People's Republic of China
Replaces GB/T 32983-2016
Determination of compression creep properties of thermal insulation products for building
(ISO 16534.2020, IDT)
Released on June 30, 2025
Implementation on January 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Symbols 2
5 Principle 3
6 Instruments 3
7 Sample 3
7.1 Sampling 3
7.2 Specimen size 4
7.3 Number of specimens. 4
7.4 Sample preparation 4
7.5 State Adjustment 4
8 Step 4
8.1 Test Environment 4
8.2 Stress Selection 4
8.3 Test Step 5
8.4 Test time 7
9 Result calculation and presentation 7
10 Test Accuracy 7
11 Test Report 7
Appendix A (Normative) Calculation Method 9
A.1 General 9
A.2 Principle 9
A.3 Step 9
A.4 Long-term deformation calculation 10
Appendix B (Informative) Linear Regression Analysis Example 11
Reference 14
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 32983-2016 "Determination of compression creep properties of thermal insulation products for building use" and GB/T 32983-2016
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The description of the definition of thickness at different stages in the term “thickness” has been deleted (see 3.1 of the.2016 edition);
b) Added "Symbol" and corresponding content (see Chapter 4);
c) Added the temperature and relative humidity of the environment where the sample needs to be regulated (see 7.5);
d) The corresponding time for measuring deformation in the “Test Procedure” has been changed (see 8.3, 7.3 of the.2016 edition);
e) Added “Calculation and Presentation of Results” (see Chapter 9);
f) Changed “precision” to “test accuracy” (see Chapter 10, Chapter 9 of the.2016 edition).
This document is equivalent to ISO 16534.2020 "Thermal insulation products for building use — Determination of compressive creep properties".
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed by China Building Materials Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Thermal Insulation Materials (SAC/TC191).
This document was drafted by Nanjing Fiberglass Research and Design Institute Co., Ltd., Guangzhou Municipal Engineering Group Co., Ltd., and Laminit Architecture Department.
Tong (Suzhou) Co., Ltd., Beijing Construction Engineering Quality Fourth Testing Institute Co., Ltd., Shaoxing University of Arts and Sciences, Nanjing Sinoma Standard Certification Co., Ltd.
company.
The main drafters of this document are. Yang Yulong, Yao Xiandong, Cui Jun, He Pengli, An Guanfeng, Wu Dongdong, Feng Wenliang, Li Junguang, Xu Qi, Xu Yuxiao,
Tang Zhiqiang.
This document was first published in.2016 and this is the first revision.
Determination of compression creep properties of thermal insulation products for building
1 Scope
This document describes the equipment and test methods required to determine the compressive creep properties of specimens under different pressure conditions.
This document applies to thermal insulation products.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
thickness
A linear dimension perpendicular to the plane defined by the length and width.
3.2
compressive stress
σc
The ratio of the compressive load to the initial cross-sectional area of the specimen.
3.3
deformation
The reduced thickness of the test specimen (3.1).
3.4
relative deformation
The ratio of the deformation of the specimen (3.3)X to the thickness of the specimen (3.1)ds in the loading direction.
3.5
compression creep
Xct
The deformation of a specimen under a constant stress that increases with time under specified conditions of temperature and relative humidity (3.3)
Xct=Xt-X0
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