GB/T 12032-1989
Replaced
GB/T 24999-2018
Active
National standards
GB/T 24999-2018 Paper and board—Highest limitation of D65 brightness
GB/T 24999-2018 Paper and board—Highest limitation of D65 brightness
Basic Information
Standard Code:
GB/T 24999-2018
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Paper making
ICS Name:
Comprehensive Paper-making Technology
Publish Date:
2018-12-28
Implement Date:
2019-07-01
Pages:
4 pages
Scope
This standard specifies the maximum brightness limit of paper and cardboard under D65 illumination.
This standard applies to relevant paper and cardboard products.
Development Information
Replace the following standards
Referenced Standards
GB/T 450-2002 Paper and board—Sampling for testing
GB/T 450-2008 Paper and board—Sampling for testing and identification of machine and cross direction,wire side and felt side
GB/T 7974-2002 Paper, board and pulp-Measurement of brightness—Diff/Geometry
GB/T 7974-2013 Paper,board and pulps—Measurement of diffuse blue reflectance factor—D65 brightness(Diff/ Geometry,Outdoor daylight conditions)
Related Standards
GB/T 2677.1-1993
Active
GB/T 2677.1-1993 Fibrous raw material of sampling for analysis
GB/T 2677.2-1993
Replaced
GB/T 2677.2-1993 Fibrous raw material—Determination of moisture content
GB/T 2677.3-1993
Replaced
GB/T 2677.3-1993 Fibrous raw material—Determination of ash
GB/T 2677.4-1993
Active
GB/T 2677.4-1993 Fibrous raw material—Determination of water solubility
GB/T 2677.5-1993
Active