75 | Gost 67821
(officially Coniferous sawn timber. Shrinkage value ) is a Soviet-era state standard, still active in many CIS countries, that defines the shrinkage values for softwood lumber to ensure they meet nominal dimensions after drying.
: Shrinkage values for thickness and width based on final moisture content. gost 67821 75
: For timber with mixed grain orientation (tangential-radial), shrinkage values are provided for final moisture contents ranging from 5% to 37% . Reference Tables (officially Coniferous sawn timber
: Nominal dimensions are typically set for moisture levels of 15% or 20% . still active in many CIS countries
: Verification values for actual thickness and width at various moisture levels. Full Text Access