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BS EN 314-1 Plywood – Bond Quality – Test Methods.
BS EN 314-1 specifies methods for determining the bonding quality of veneer plywood, by shear testing.
Before carrying out the shear tests the plywood samples are required to undergo a sequence of pre-treatments e.g. section 5.14 calls for immersion for 72 hours (±1)
in boiling water followed by cooling in water at 20°C (±3°) for at least 1.
Annex A in the standard covers the determination of the percentage of apparent cohesive wood failure by comparison to reference illustrations of the texture of
Annex B provides guidelines for the evaluation of the glue bond of insulating core plywood.
*** Before conducting this standard , it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.
***PARSROS offers several types of grips and fixtures which will enable you to perform a variety of tests
that are accurate and repeatable.