【膠(jiao)合(he)板(ban)(ban) 竹(zhu)膠(jiao)板(ban)(ban)】竹(zhu)膠(jiao)板(ban)(ban)和膠(jiao)合(he)板(ban)(ban)的區(qu)別 膠(jiao)合(he)板(ban)(ban)與竹(zhu)膠(jiao)板(ban)(ban)的區(qu)別
竹膠板
竹(zhu)膠板(ban)(ban)(ban),高強覆膜橋梁板(ban)(ban)(ban),建筑模板(ban)(ban)(ban),及(ji)磚機托板(ban)(ban)(ban)等,竹(zhu)膠板(ban)(ban)(ban)應(ying)用廣泛,深受用戶青睞(lai)。
竹膠(jiao)板(ban)是以毛(mao)竹材(cai)(cai)(cai)料作主要(yao)架構(gou)和(he)填充材(cai)(cai)(cai)料,經(jing)高(gao)壓(ya)成(cheng)坯的建材(cai)(cai)(cai)。由于(yu)竹膠(jiao)板(ban)硬度高(gao),抗折(zhe),抗壓(ya),在(zai)很多使(shi)用(yong)區(qu)域已經(jing)替(ti)代了鋼模板(ban)。又由于(yu)竹是易培養,成(cheng)林快的林木,三到五年(nian)就(jiu)可以砍伐,能替(ti)換(huan)木材(cai)(cai)(cai),因此,國家林業部政策(ce)支持大力發展以竹為(wei)主要(yao)加工材(cai)(cai)(cai)料的人造板(ban),已經(jing)在(zai)很多地方(fang)替(ti)換(huan)了木材(cai)(cai)(cai)類板(ban)材(cai)(cai)(cai)的使(shi)用(yong)。
膠合板
膠合板是由木段旋(xuan)切(qie)成單板(ban)或(huo)由木方(fang)(fang)刨(bao)切(qie)成薄木,再用(yong)膠(jiao)粘(zhan)劑膠(jiao)合(he)而成的三層(ceng)或(huo)多層(ceng)的板(ban)狀材料(liao),通常用(yong)奇數(shu)層(ceng)單板(ban),并使相鄰(lin)層(ceng)單板(ban)的纖維方(fang)(fang)向互相垂(chui)直膠(jiao)合(he)而成。
膠(jiao)合(he)板(ban)(ban)(ban)是家具常用(yong)材(cai)料之(zhi)一(yi)(yi),為人造板(ban)(ban)(ban)三大板(ban)(ban)(ban)之(zhi)一(yi)(yi),亦可供飛機、船舶、火車、汽車、建筑(zhu)和包(bao)裝(zhuang)箱(xiang)等作(zuo)用(yong)材(cai)。一(yi)(yi)組(zu)單板(ban)(ban)(ban)通常按相鄰層(ceng)木紋(wen)方向(xiang)互相垂直組(zu)坯(pi)膠(jiao)合(he)而成(cheng),通常其表板(ban)(ban)(ban)和內層(ceng)板(ban)(ban)(ban)對稱地配置在中心層(ceng)或(huo)板(ban)(ban)(ban)芯的(de)兩側。用(yong)涂膠(jiao)后的(de)單板(ban)(ban)(ban)按木紋(wen)方向(xiang)縱橫交錯配成(cheng)的(de)板(ban)(ban)(ban)坯(pi),在加熱或(huo)不加熱的(de)條(tiao)件下壓制而成(cheng)。層(ceng)數(shu)一(yi)(yi)般(ban)為奇數(shu),少(shao)數(shu)也有(you)偶數(shu)。縱橫方向(xiang)的(de)物理、機械(xie)性(xing)質差異較小。常用(yong)的(de)膠(jiao)合(he)板(ban)(ban)(ban)類型有(you)三合(he)板(ban)(ban)(ban)、五合(he)板(ban)(ban)(ban)等。膠(jiao)合(he)板(ban)(ban)(ban)能提高木材(cai)利用(yong)率,是節約木材(cai)的(de)一(yi)(yi)個主要途徑。
竹膠板和膠合板的區別
膠合(he)板(ban)(ban)(ban)和竹膠板(ban)(ban)(ban)之間的(de)區(qu)別主要是材質不(bu)同,竹膠板(ban)(ban)(ban)最結實耐用,周轉次(ci)數(shu)多,價(jia)(jia)格也(ye)最高(gao),實際(ji)較少(shao)采用,一般施工采用較多,價(jia)(jia)格居中,最后(hou)是膠合(he)板(ban)(ban)(ban),也(ye)就是多層(ceng)板(ban)(ban)(ban),價(jia)(jia)格低、周轉次(ci)數(shu)少(shao),適用于層(ceng)數(shu)少(shao)、模(mo)板(ban)(ban)(ban)周轉率低的(de)工程。