GB 4862-1984
Replaced
LY/T 3256-2021
Active
Industry standards-Forestry
LY/T 3256-2021 Testing basic wood density of national dominant species (group)
LY/T 3256-2021 Testing basic wood density of national dominant species (group)
Basic Information
Standard Code:
LY/T 3256-2021
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Forestry
ICS Name:
Agriculture and forestry
Publish Date:
2021-06-30
Implement Date:
2022-01-01
Pages:
9 pages
Scope
This document specifies the basic terms and definitions of wood density for dominant tree species, the main instruments and equipment and their accuracy requirements, the determination of density, the determination of basic density, and the conversion of basic wood density for dominant tree species (groups).
This document is applicable to the determination of basic wood density for dominant tree species (groups).
Development Information
Referenced Standards
GB/T 1927-2009 Method of sample tree collection for physical and mechanical tests of wood
GB/T 1928-2009 General requirements for physical and mechanical tests of wood
GB/T 1929-2009 Method of sample logs sawing and test specimens selection for physical and mechanical tests of wood
GB/T 1931-2009 Method for determination of the moisture content of wood
GB/T 1933-2009 Method for determination of the density of wood
Related Standards
GB/T 8137-1987
Replaced
GB/T 8137-1987 Seed lac—Specification
GB/T 8138-1987
Replaced
GB/T 8138-1987 Shellac
GB/T 8139-1987
Replaced
GB/T 8139-1987 Dewaxed shellac, Decolorized shellac and decolorized dewaxed shellac
GB/T 8140-1987
Replaced
GB/T 8140-1987 Bleached lac
GB/T 8141-1987
Replaced