多層板是由木段(duan)旋切成單(dan)板(ban)(ban)(ban)(ban)或(huo)由木方刨切成薄木,再用膠粘劑膠合而成的(de)三(san)層(ceng)(ceng)或(huo)多層(ceng)(ceng)的(de)板(ban)(ban)(ban)(ban)狀(zhuang)材料,通常用奇數層(ceng)(ceng)單(dan)板(ban)(ban)(ban)(ban),并(bing)使相鄰層(ceng)(ceng)單(dan)板(ban)(ban)(ban)(ban)的(de)纖維方向互相垂直膠合而成。
多層(ceng)板(ban)也叫膠合(he)(he)(he)(he)板(ban)是家具常用(yong)材(cai)料之一(yi),通常其(qi)皇冠膠合(he)(he)(he)(he)板(ban)表板(ban)和內(nei)層(ceng)板(ban)對稱地配置(zhi)在中(zhong)心層(ceng)或板(ban)芯(xin)的(de)(de)兩側。常用(yong)的(de)(de)有三合(he)(he)(he)(he)板(ban)、五(wu)合(he)(he)(he)(he)板(ban)等。膠合(he)(he)(he)(he)板(ban)能提高木(mu)材(cai)利用(yong)率,是節約木(mu)材(cai)的(de)(de)一(yi)個主要途徑。