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GB/T 37126-2018Test method for structural sealant glazing systems (SSGS) (English PDF)

结构装配用建筑密封胶试验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 28, 2018

Implementation date

November 1, 2019

Scope

GB/T 37126-2018 is the English-translated version of 结构装配用建筑密封胶试验方法.

GB/T 37126-2018 sets out the test methods for the sealants used in structural sealant glazing systems, where glass or panels are bonded to the frame by the adhesive itself.

It fixes the standard laboratory conditions and how test pieces are prepared and conditioned, and then covers tensile bond strength, shear behaviour, tear resistance and tensile adhesion after salt spray, acid mist, detergent and combined water and ultraviolet exposure.

Further clauses deal with fatigue, creep under permanent shear, modulus of elasticity and compatibility with adjacent contact materials with and without UV treatment, and an informative annex shows how to calculate the stiffness of the adhesive.

It is meant for sealant makers, curtain wall builders and test laboratories. The standard was issued on 28 December 2018 and has applied since 1 November 2019.

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Document preview — GB/T 37126-2018

National Standard of the People's Republic of China

ICS: 91.100.50
Classification: Q 24

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

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Standard test conditions
5 Preparation and processing of test pieces
6 tensile bondability
7 Shear performance
8 tear resistance
9 Tensile adhesion after salt spray treatment
10 Tensile adhesion after acid mist treatment
11 Tensile adhesion after detergent treatment
12 Water-ultraviolet radiation tensile bond
13 fatigue performance
14 Creep performance under permanent shear
15 modulus of elasticity
16 Compatibility with adjacent contact materials after UV treatment
17 Compatibility with adjacent contact materials in the absence of UV treatment
Appendix A (informative) Calculation of the stiffness of building structural adhesives for structural assembly

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terms and definitions of structural sealants for structural assembly (hereinafter referred to as "structural adhesives"), standard test conditions, and preparation of test pieces.

And treatment, tensile cohesiveness, shear properties, tear resistance, tensile adhesion after salt spray treatment, tensile adhesion after acid mist treatment, detergent Post-stretch adhesion, tensile bond after water-ultraviolet irradiation, fatigue properties, creep properties under permanent shear, modulus of elasticity, UV Test methods for compatibility with adjacent contact materials, compatibility with adjacent contact materials without UV treatment, etc.

This standard applies to building sealants for structural assembly.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber

GB/T 9789 Metal and other inorganic coatings are usually tested for sulfur dioxide corrosion under condensation conditions

GB/T 10125 artificial atmosphere corrosion test salt spray test

GB/T 13477.1 Test methods for building sealing materials - Part 1

GB/T 13477.8-2017 Test methods for building sealing materials - Part 8: Determination of tensile bond

GB/T 14682 Building Sealing Material Terminology

GB/T 16422.2 Test methods for exposure of plastics - Part 2: Xenon arc lamps

GB/T 16491 electronic universal testing machine

3 Terms and definitions

The terms and definitions defined in GB/T 14682 apply to this document.

4 Standard test conditions

The laboratory standard test conditions are. temperature (23 ± 2) ° C, relative humidity (50 ± 5)%; the structural adhesive used for testing before the preparation of the test piece and The test equipment should be placed under standard conditions for more than 24 hours.

5 Preparation and processing of test pieces

5.1 Test apparatus

5.1.1 Substrate regulations

5.1.1.1 The test substrate shall be selected according to the type of substrate to which the structural adhesive is applied. The substrate shall have sufficient strength to prevent bending deformation and damage. Embedded The shape and size of the structural adhesive test piece shall be the same as those shown in Figure 1 and Table 1. Other materials and sizes may be used.

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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 16776-2025|GB/T 24498-2025|GB/T 13477.25-2024|GB/T 13477.21-2022|GB/T 13477.2-2018|GB/T 12957-2026

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