Plywood QC Inspection Checklist : Part 37 Sampling of test plywood panels
Plywood-Sampling of test plywood panels
1. Main contents and scope of application This standard specifies the method and requirements for extracting the physical and mechanical properties test sample of ordinary plywood defined by GB9846.2. This standard is applicable to plywood consisting of at least three layers of veneers.
2 Reference to Standard GB 9846.2 Plywood Terminology and Definition
3. The number of test plywood sheets is randomly selected from representative stacks according to the requirements of Table 1. If the results of the first sampling inspection need to be re-examined, the second sampling shall be conducted.
4 The Inspection Department of the production unit shall, in accordance with the regulations, conduct daily sampling tests on plywood produced by each shift according to categories and tree species.
Daily inspection by production units can be sampled and tested after pressure relief or sawing.