多層板是由木(mu)段旋切成(cheng)單板(ban)或(huo)由木(mu)方刨(bao)切成(cheng)薄木(mu),再用膠粘劑膠合而成(cheng)的三層(ceng)或(huo)多層(ceng)的板(ban)狀(zhuang)材料,通常用奇(qi)數層(ceng)單板(ban),并使相鄰層(ceng)單板(ban)的纖維方向互相垂(chui)直膠合而成(cheng)。
多層(ceng)(ceng)板(ban)(ban)也叫膠(jiao)合(he)(he)板(ban)(ban)是(shi)家具常用(yong)材料之一(yi)(yi),通常其(qi)皇冠膠(jiao)合(he)(he)板(ban)(ban)表(biao)板(ban)(ban)和內層(ceng)(ceng)板(ban)(ban)對(dui)稱地配置在中心層(ceng)(ceng)或(huo)板(ban)(ban)芯的兩側(ce)。常用(yong)的有(you)三合(he)(he)板(ban)(ban)、五(wu)合(he)(he)板(ban)(ban)等。膠(jiao)合(he)(he)板(ban)(ban)能提(ti)高木材利用(yong)率,是(shi)節(jie)約木材的一(yi)(yi)個主要途徑。