Determination of Bonding Strength of Plywood

Determination of Bonding Strength of Plywood

Main contents and scope of application This standard specifies the measurement method of bonding strength of ordinary plywood defined by GB9846.2. A kind of

2. Referring to the standard GB9846.2 plywood terminology and defining the extraction method for measuring bonding strength of GB9846.8 plywood. Measurement of dimensions of sawn GB9846.10 plywood specimens by GB9846.9 plywood specimens

3 Gauges and Instruments

3.1 vernier caliper, the reading accuracy of indexing is 0.01g. _3.2 Constant temperature water bath pot, 30-100 C. A kind of

3.3 Tension tester, load reading accuracy is 5N. A kind of

3.4 Air convection drying chamber, the temperature of each point in the chamber can be maintained at 63 + 3 C. Sampling and specimens

4.1 Samples were taken according to GB9846.8. 4.2 Sawing specimens according to GB9846.9. A kind of

4.3 There should be no material defect and processing defect affecting bonding strength in the shear section of specimens. Procedure 5.1 Press GB984

6.10 Provisions for measuring the size of specimens.

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