What is JAS Standard for Plywood

1. What is JAS 

JAS (JAPANESE AGRICULTURAL STANDARD)  is refer to product quality as well the system. JAS labeled product is a guarantee that the product have been produced under a controlled quality management system and meet the standards for dimension, visual and physicochemical.

2. JAS Product

• Agricultural Products
• Forestry Products
  • Plywood for general use (OP)
  • Concrete forming plywood (CP)
  • Structural plywood (SP)
  • Natural wood decorative plywood (NWDP)
  • Specially processed decorative plywood (SPDP)
• Livestock Products
• Food & Beverage Products

3. Plywood quality requirement 

• Dimension requirements
• Surface quality requirements
• Bonding strength requirements (bonding & delamination)
• Water content requirements
• Requirements for bending strength → CP & SP
• Formaldehyde emission requirementsOther requirements according to the standards of each product item

4. Formaldehype Emission requirement

• F☆  : Avg 5.0 mg/L ; Max: 7.0 mg/L
• F☆☆  : Avg 1.5 mg/L ; Max: 2.1 mg/L
• F☆☆☆ : Avg 0.5 mg/L ; Max: 0.7 mg/L
• F☆☆☆☆  : Avg 0.3 mg/L ; Max: 0.4 mg/l

5. JAS certification process 

6. Requirement of facilities

• Production facilities, can produce continuously with a stable quality
• QC facilities, with good accuracy, maintained and calibrated
• Storage facilities, can maintain the quality of products that stored
• Grading facility (Inspection and testing for decisions a lot of production)

7. Labeling

The product which passed the testing by the ROCB will be label as JAS product with the JAS logo