Thickness swelling (TS) and water absorption (WA) tests were
carried out according to EN 317 [12]. Twelve replicate specimens,
50 mm 50 mm 10 mm, from each type of composite panel
were used for the TS and WA properties. Prior to the tests, the specimens
were conditioned in a climatized room at 20 C and 65% relative
humidity (RH). Duration of the conditioning process was
determined by regular weighting of the specimens until no
changes in the weights were detected. At the end of 1-day of submersion,
the specimens were taken out from the water and all surface
water was removed with a clean dry cloth. The specimens
were weighed to the nearest 0.01 g and measured to the nearest
0.001 mm immediately. The specimen thickness was determined
by taking a measurement at a specific location, the diagonal crosspoint,
on the specimen. Densities of the specimens were evaluated
according to the test method specified in EN 323 [13].
Thickness swelling (TS) and water absorption (WA) tests werecarried out according to EN 317 [12]. Twelve replicate specimens,50 mm 50 mm 10 mm, from each type of composite panelwere used for the TS and WA properties. Prior to the tests, the specimenswere conditioned in a climatized room at 20 C and 65% relativehumidity (RH). Duration of the conditioning process wasdetermined by regular weighting of the specimens until nochanges in the weights were detected. At the end of 1-day of submersion,the specimens were taken out from the water and all surfacewater was removed with a clean dry cloth. The specimenswere weighed to the nearest 0.01 g and measured to the nearest0.001 mm immediately. The specimen thickness was determinedby taking a measurement at a specific location, the diagonal crosspoint,on the specimen. Densities of the specimens were evaluatedaccording to the test method specified in EN 323 [13].
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