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GB/T 13477.21-2022 Active
GB/T 13477.21-2022 Test method for building sealants—Part 21:Determination of color change after laboratory accelerated weathering procedures
Abstract
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.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 13477.21-2022 |
| CCS | Sealing materials |
| ICS | Adhesives, sealing materials |
| Implement Date | 2023-02-01 |
Price
$ 42
Subtotal
$ 42
Tax
$ 0.00
Order Total (incl. tax)
$ 42