GB/T 1927.3-2021
Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood (English Version)

Standard No.

GB/T 1927.3-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 1927.3-2021

Replace

GB/T 1930-2009

Scope

This document describes the test equipment, samples, test procedures, calculation results and test records for determining the growth ring width and latewood percentage of small unblemished wood samples. This document is applicable to the determination of the growth ring width with obvious growth ring boundary and the late wood rate in the growth ring of wood with obvious difference between early and late wood on the cross section of small unblemished wood samples.

GB/T 1927.3-2021 Referenced Document

• GB/T 1927.2-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 2: Sampling methods and general requirements
• LY/T 1788-2008 Standard terminology relating to wood properties

GB/T 1927.3-2021 history

• 2021 GB/T 1927.3-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood
• 2009 GB/T 1930-2009 Method for determination of the annual rings width and latewood rate of wood
• 1991 GB/T 1930-1991 Method for determination of the annual rings width and latewood rate of wood

GB/T 1927.3-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 3: Determination of the growth rings width and latewood rate of wood has been changed from GB/T 1930-2009 Method for determination of the annual rings width and latewood rate of wood.

GB/T 1927.3-2021 -All Parts