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GB/T 16997-2025 English PDF

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GB/T 16997-2025: Adhesives - Designation of main failure patterns
Status: Valid

GB/T 16997: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 16997-2025English194 Add to Cart 3 days [Need to translate] Adhesives - Designation of main failure patterns Valid GB/T 16997-2025
GB/T 16997-1997English179 Add to Cart 3 days [Need to translate] Adhesives. Designation of main failture patterns   GB/T 16997-1997

Basic data

Standard ID GB/T 16997-2025 (GB/T16997-2025)
Description (Translated English) Adhesives - Designation of main failure patterns
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G38
Classification of International Standard 83.180
Word Count Estimation 10,114
Date of Issue 2025-08-29
Date of Implementation 2026-03-01
Older Standard (superseded by this standard) GB/T 16997-1997
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration

GB/T 16997-2025: Adhesives - Designation of main failure patterns

---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/GBT16997-2025
ICS 83.180 CCSG38 National Standard of the People's Republic of China Replaces GB/T 16997-1997 Representation of the main types of adhesive failure (ISO 10365.2022, IDT) Released on August 29, 2025 Implementation on March 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 Applications 1 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 16997-1997 "Representation of the main failure types of adhesives". In addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Increased adhesive stress whitening failure (SWCF) (see Table 1); --- Increased the corrosion damage of the bonding surface (COR) (see Table 1). This document is equivalent to ISO 10365.2022 "Representation of the principal types of failure of adhesives". 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 the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Adhesives (SAC/TC185). This document was drafted by. Shanghai Jianke Deepwater Port Inspection Co., Ltd., Shanghai Rubber Products Research Institute Co., Ltd., Yantai Harbin Engineering University Research Institute, Wellton Technology Co., Ltd., Guangzhou Baiyun Technology Co., Ltd., Shanghai Jianke Inspection Co., Ltd., Xinxiang Hua Yang Adhesive Co., Ltd., Yantai Debang Technology Co., Ltd., Crown New Materials Technology Co., Ltd., Zhonglan Chenguang Chemical Research Institute Design Institute Co., Ltd., Dalian Kaihua New Technology Engineering Co., Ltd., Aolai Guoxin (Beijing) Testing Technology Co., Ltd., China Building Science RESEARCH INSTITUTE LIMITED. The main drafters of this document are. Li Jingcheng, Shen Yan, Qi Chunyuan, Zhang Chunhong, Song Liang, Lou Xingyuan, Gao Jue, Bi Siwen, Wang Jianbin, Li Jianxiong, Li Xiaojuan, Li Hongxu, Fang Li, Zhao Shigang, and Zeng Bing. The previous versions of this document and the documents it replaces are as follows. ---First published in.1997 as GB/T 16997-1997; ---This is the first revision. Representation of the main types of adhesive failure

1 Scope

This document describes the main failure types and modes of adhesively bonded joints and illustrates their failure phenomena graphically. This document applies to mechanical property tests performed on adhesive joints and is independent of the properties of the adherends and adhesives that make up the joints.

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. ISO 472 Plastics—Vocabulary

3 Terms and Definitions

For the purposes of this document, the terms and definitions defined in ISO 472 and the following apply. 3.1 Adhesive joint assembly Completed glued assembly. 3.2 Adhesion failure Visually visible damage occurs at the interface between the adhesive and the adherend. 3.3 cohesive failure; cohesion failure Visible damage to the adhesive or adherend occurs.

4 Applications

The test results of the mechanical properties of adhesive joints are usually expressed in test values. In order to better reflect the bonding effect of adhesive joints, various types of broken Bad provides a representation of the type of damage. The damage types are shown in Table 1. Table 1 Representation of damage types Abbreviation for classification failure type representation substrate Damage to one or both substrates Non-bonded substrate damage SF

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