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Thermal insulating materials - Determination of compressive creep
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Basic data
| Standard ID | GB/T 44568-2024 (GB/T44568-2024) |
| Description (Translated English) | Thermal insulating materials - Determination of compressive creep |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | G31 |
| Classification of International Standard | 83.100 |
| Word Count Estimation | 18,159 |
| Date of Issue | 2024-09-29 |
| Date of Implementation | 2025-04-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 44568-2024: Thermal insulating materials - Determination of compressive creep
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 83.100
CCSG31
National Standard of the People's Republic of China
Determination of compression creep of thermal insulation materials
(ISO 20392.2007, IDT)
Released on 2024-09-29
2025-04-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
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 is equivalent to ISO 20392.2007 "Determination of compression creep of thermal insulation materials".
The following minimal editorial changes were made to this document.
--- Added a note about “point” in Appendix B.
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 was proposed by China Light Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Plastic Products (SAC/TC48).
This document was drafted by. Jiangsu Jianghua Polyurethane Product Quality Inspection Co., Ltd., Beijing Technology and Business University, Jiangsu Chemical Research Institute Co., Ltd.
Company, Nantong Mishuifang Sleep Industry Technology Co., Ltd., Jiangsu Zhongsheng Pipeline Engineering Technology Co., Ltd., Nanjing Jujian Testing Technology Co., Ltd.
Jiangsu Lvyuan New Materials Co., Ltd., Light Industry Plastics Processing Application Research Institute, National Plastics Products Quality Inspection and Testing Center (Beijing),
Hebei Mingrun Composite Materials Technology Co., Ltd., China Railway Construction Group Co., Ltd., and Hebei Junye Technology Co., Ltd.
The main drafters of this document are. Luo Chen, Shen Chuanxi, Zhang Ruyi, Wu Hao, Ni Xinxing, Cui Aihua, Zhang Wanwei, Wang Lei, Bai Yu, Liu Bengang, Wang Dong,
Wang Haili.
Determination of compression creep of thermal insulation materials
1 Scope
This document describes a test method for determining the compressive creep properties of thermal insulation materials under different stress conditions.
This document is applicable to the determination of thermal insulation materials.
2 Normative references
The contents of the following documents constitute 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.
properties)
Note. GB/T 8813-2020 Determination of compression properties of rigid cellular plastics (ISO 844.2014, IDT)
lineardimensions)
Note. GB/T 6342-1996 Determination of linear dimensions of cellular plastics and rubber (idtISO 1923.1981)
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.
3.1.1
Thickness
The original thickness of the product.
3.1.2
Thickness
ds
Initial thickness of the specimen.
3.1.3
Thickness
dL
The thickness of the specimen under the compressive stress (self-weight) of the loading device.
3.1.4
Thickness
d0
Thickness of the specimen after loading for 60 seconds.
...
