JPIC/JAS Standards Overview: Lumber, OSB, and Forest Products

著者: LINYI LUJU INC

2024-09-09

Here's a refined and organized overview of the Japanese Agricultural Standards (JAS) and related standards for lumber, OSB, and forest products:

JAS Notification No. 701: Laminated Veneer Lumber (Structural / Non-Structural)
JAS Notification No. 702 (2008): Supplementary Regulations – ME-4
- Labelling Format and Method for Graded Laminated Veneer Lumber
JAS Notification No. 111: Glue Laminated Timber
JAS Notification No. 112: Decorative Glue Laminated Timber
JAS Notification No. 143: Softwood Structural Sawn Lumber
JAS Notification No. 360 and 1604: Structural Panel
JAS Notification No. 600: Structural Lumber for Wood Frame Construction
JAS Notification No. 702: Machine Stress Rated Structural Lumber for Wood Frame Construction
JAS Notification No. 1443: Structural Laminated Veneer Lumber

JAS (OSB) Notification No. 938 (2008): Test Methods include
- Normal State Delamination Test (Internal Bond)
- Boiling Water Soak Delamination Test
- Moisture Content Test
- Normal State Bending Test
- Bending Tests Under Wet Conditions
- Water Absorption Expansion Test
- Nail Joint Shear Test
- Nail Withdrawal Resistance Test
- Formaldehyde Emission Test

JAS (MAFF) Notifications for Glulam:

JAS (Glulam) Notification No. 1152 (2007): Test Methods include
- Cold Water Soak Delamination Test
- Boiling Water Soak Delamination Test
- Vacuum-Pressure Delamination Test
- Block Shear Test
- Moisture Content Test
- Bending Test A (Beam MOE and MOR)
- Bending Test B (Lumber MOE)
- Bending Test C (Lamina MOR)
- Tensile Strength Test (Lamina)
- Formaldehyde Emission Test