Some advantages of three-layer medium-density fibreboard as compared to the traditional single-layer one

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 3 Some mechanical properties of three-layer MDF panels

MDF code (wt% of resin of core)/target density: kg/m³	Bending strength (N/mm²)	Modulus of elasticity in bending (MOE) (N/mm²)	Internal bond strength (N/mm²)
A (10.5)/(700)	17.25 (1.09)a	2149.4 (134.7)a	0.56 (0.06)a
B (9.5)/(700)	17.01 (0.92)a	2085.6 (126.5)ab	0.54 (0.06)a
C (8.5)/(700)	16.62 (1.02)ab	2012.0 (102.8)ab	0.50 (0.04)ab
D (7.5)/(700)	15.82 (0.71)ab	1882.8 (116.1)b	0.47 (0.03)bc
E (6.5)/(700)	14.31 (0.74)b	1740.5 (98.5)c	0.41 (0.04)c
F (10.5)/(730)	17.83 (0.94)a	2192.5 (130.5)a	0.59 (0.05)a
G (10.5)/(700)	17.25 (1.09)a	2149.4 (134.7)ab	0.56 (0.06)ab
H (10.5)/(675)	16.72 (0.88)ab	2078.8 (105.9)ab	0.52 (0.04)ab
I (10.5)/(650)	15.51 (0.92)b	1937.2 (97.0)b	0.50 (0.05)b

Groups with same letters (from a to c) in each column indicate that there is no statistical difference (p < 0.05) between the specimens according to Duncan’s multiply range test