GB/T 21782.1-2025
Active
GB/T 21782.8-2025
Active
National standards
GB/T 21782.8-2025 Coating powders—Part 8:Assessment of the storage stability of thermosetting powders
GB/T 21782.8-2025 Coating powders—Part 8:Assessment of the storage stability of thermosetting powders
Price:
$ 50
Basic Information
Standard Code:
GB/T 21782.8-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Paints, pigments, and dyes
ICS Name:
The coatings and pigments industry
Publish Date:
2025-10-05
Implement Date:
2026-02-01
Pages:
12 pages
Scope
This document establishes the principles for evaluating the storage stability of thermosetting powder coatings, and specifies the instruments and materials, test panels, sampling procedures, operating steps, presentation of results, and the content of the test report.
This document is applicable to the evaluation of the storage stability of thermosetting powders.
Development Information
Same series standard
GB/T 21782.1-2025 Coating powders—Part 1:Determination of particle size distribution by sieving
GB/T 21782.2-2025 Coating powders—Part 2:Determination of density by gas comparison pycnometer(referee method)
GB/T 21782.3-2025 Coating powders—Part 3:Determination of density by liquid displacement pycnometer
GB/T 21782.4-2025 Coating powders—Part 4:Calculation of lower explosion limit
GB/T 21782.10-2025 Coating powders—Part 10:Determination of deposition efficiency
Replace the following standards
Referenced Standards
GB 3186-1982 Sampling paint products
GB/T 3186-2006 Paints, varnishes and raw materials for paints and varnishes—Sampling
GB/T 9271-1988 Paints and varnishes—Standard panels for testing
GB/T 9271-2008 Paints and varnishes—Standard panels for testing
GB/T 9754-1988 Paints and varnishes—Measurement of specular gloss of non-metallic paint films at 20°, 60°and 85°
GB/T 9754-2007 Paints and varnishes—Determination of specular gloss of non-metallic paint films at 20°,60°and 85°
GB/T 9754-2025 Paints and varnishes—Determination of gloss value at 20°、60° and 85°
GB/T 13452.2-1992 Paints and varnishes—Determination of film thickness
GB/T 13452.2-2008 Paints and varnishes—Determination of film thickness
GB/T 16995-1997 Determination of gel time of thermosetting powder coatings at a given temperature
GB/T 20624.1-2006 Paints and varnishes—Rapid-deformation (impact resistance) tests—Part 1:Falling-weight test,large-area indenter
GB/T 21782.14-2010 Coating powders—Part 14:Terminology
Adopt standards
ISO 8130-8:2021
Related Standards
GB/T 21782.2-2025
Active
GB/T 21782.2-2025 Coating powders—Part 2:Determination of density by gas comparison pycnometer(referee method)
GB/T 21782.10-2025
Active
GB/T 21782.10-2025 Coating powders—Part 10:Determination of deposition efficiency
GB/T 21782.3-2025
Active
GB/T 21782.3-2025 Coating powders—Part 3:Determination of density by liquid displacement pycnometer
GB/T 21782.4-2025
Active