GB/T 13477.21-2022 Active National standards

GB/T 13477.21-2022 Test method for building sealants—Part 21:Determination of color change after laboratory accelerated weathering procedures

GB/T 13477.21-2022 Test method for building sealants—Part 21:Determination of color change after laboratory accelerated weathering procedures

Publish Date: 2022-07-11 Implement Date: 2023-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 13477.21-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Sealing materials

ICS Name: Adhesives, sealing materials

Publish Date: 2022-07-11

Implement Date: 2023-02-01

Pages: 6 pages

Scope

This document specifies the terms and definitions, principles, test conditions, test equipment and materials, specimen preparation and maintenance, test procedures, color measurement and color difference calculation, and the division of discoloration grades for determining the color change of building sealants after artificial accelerated climate aging.
This document is applicable to the determination of color changes and the division of discoloration grades of building sealants after artificial accelerated climate aging.

Development Information

Word Count: 9 Thousand words Pages: 6 pages

Same series standard

GB/T 13477.22-2022 Test method for building sealants—Part 22:Determination of curing behaviour GB/T 13477.23-2022 Test method for building sealants—Part 23:Durability to extension compression cycling under accelerated weathering

Referenced Standards

GB/T 3979-2008 Methods for the measurement of object color GB/T 7921-2008 Uniform color space and color difference formula GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources GB/T 3978-1994 Standard illuminants and illuminating—viewing conditions GB/T 3978-2008 Standard illuminants and geometric conditions GB/T 5698-2001 Glossary of color terms GB/T 9086-1988 The white ceramic standard plate for colorimetry and photometry GB/T 9086-2007 The white standard plate for colorimetry and photometry GB/T 13477.1-2002 Test method for building sealants Part 1:Specifications for test substrates GB/T 14682-1993 Building sealing material vocabulary GB/T 14682-2006 Building sealing material vocabulary JC/T 2128-2012 super white float glass method

Related Standards

GB/T 328.1-1989 Replaced

GB/T 328.1-1989 Test methods for asphalt waterproof roll roofing—The general rules

Publish Date: 1989-03-31

GB/T 12002-1989 Active

GB/T 12002-1989 Sealing strips for plastic doors and windows

Publish Date: 1989-12-25

GB/T 12954-1991 Replaced

GB/T 12954-1991 General testing methods for construction adhesives

Publish Date: 1991-06-04

GB/T 14686-1993 Replaced

GB/T 14686-1993 Fibreglass reinforced petroleum bitumen membrane

Publish Date: 1993-09-18

GB/T 14682-1993 Replaced

GB/T 14682-1993 Building sealing material vocabulary

Publish Date: 1993-10-27

GB 16776-1997 Replaced

GB 16776-1997 Structural silicone sealants for building

Publish Date: 1997-05-15