Commercial Plywood inspectors Grading Training Manual

Commercial Plywood inspectors Grading Training Manual

A simple method to Grade plywood quality:

First of all, All grades of plywood are not allowed to delaminate (plywood layer separated), bubbling (there is a sheet of veneer on the back and not adhered to the substrate ). These two defects will directly affect the use of plywood.

1. Grade surface grades

2. Flatness and Smoothness

3. Quality of veneer core

4. Testing Strength

5. Measuring Thickness,Sizes and tolerance

6.  Environmental Protection such as formaldehyde emissions

7.Moisture Content

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