【膠(jiao)合(he)板(ban) 竹(zhu)膠(jiao)板(ban)】竹(zhu)膠(jiao)板(ban)和膠(jiao)合(he)板(ban)的(de)區(qu)(qu)別 膠(jiao)合(he)板(ban)與(yu)竹(zhu)膠(jiao)板(ban)的(de)區(qu)(qu)別
竹膠板
竹膠板(ban)(ban)(ban),高強(qiang)覆(fu)膜橋(qiao)梁板(ban)(ban)(ban),建筑模板(ban)(ban)(ban),及磚機托板(ban)(ban)(ban)等,竹膠板(ban)(ban)(ban)應用廣泛,深受用戶青睞。
竹(zhu)(zhu)(zhu)膠板(ban)是(shi)以(yi)毛竹(zhu)(zhu)(zhu)材(cai)(cai)料作主(zhu)要(yao)架(jia)構和填(tian)充材(cai)(cai)料,經高(gao)壓(ya)(ya)成(cheng)(cheng)坯的建材(cai)(cai)。由于(yu)竹(zhu)(zhu)(zhu)膠板(ban)硬度高(gao),抗折,抗壓(ya)(ya),在(zai)很(hen)(hen)多使(shi)用區(qu)域已經替代了鋼(gang)模(mo)板(ban)。又由于(yu)竹(zhu)(zhu)(zhu)是(shi)易(yi)培養,成(cheng)(cheng)林(lin)快的林(lin)木,三到五年就可以(yi)砍伐,能替換(huan)(huan)木材(cai)(cai),因此,國家林(lin)業部政(zheng)策支持大力發展以(yi)竹(zhu)(zhu)(zhu)為主(zhu)要(yao)加工材(cai)(cai)料的人造(zao)板(ban),已經在(zai)很(hen)(hen)多地(di)方替換(huan)(huan)了木材(cai)(cai)類(lei)板(ban)材(cai)(cai)的使(shi)用。
膠合板
膠合板是由木(mu)段旋切成(cheng)單板(ban)或由木(mu)方刨切成(cheng)薄木(mu),再用膠(jiao)粘劑(ji)膠(jiao)合而(er)成(cheng)的(de)三層(ceng)(ceng)或多層(ceng)(ceng)的(de)板(ban)狀(zhuang)材(cai)料,通常用奇數(shu)層(ceng)(ceng)單板(ban),并使相鄰層(ceng)(ceng)單板(ban)的(de)纖維(wei)方向互(hu)相垂(chui)直膠(jiao)合而(er)成(cheng)。
膠合(he)板(ban)(ban)(ban)是家具常用材料之一(yi),為人造板(ban)(ban)(ban)三(san)大(da)板(ban)(ban)(ban)之一(yi),亦可供飛機、船(chuan)舶、火(huo)車(che)、汽車(che)、建(jian)筑和(he)(he)包裝箱(xiang)等(deng)作用材。一(yi)組單板(ban)(ban)(ban)通常按(an)相鄰層木(mu)紋方(fang)(fang)向互相垂(chui)直組坯膠合(he)而(er)成(cheng),通常其表板(ban)(ban)(ban)和(he)(he)內層板(ban)(ban)(ban)對稱地(di)配(pei)置在(zai)(zai)中心層或板(ban)(ban)(ban)芯(xin)的兩側。用涂(tu)膠后的單板(ban)(ban)(ban)按(an)木(mu)紋方(fang)(fang)向縱橫交錯配(pei)成(cheng)的板(ban)(ban)(ban)坯,在(zai)(zai)加(jia)熱(re)或不(bu)加(jia)熱(re)的條件(jian)下壓制而(er)成(cheng)。層數(shu)一(yi)般為奇數(shu),少數(shu)也有偶數(shu)。縱橫方(fang)(fang)向的物(wu)理、機械性質差異較小。常用的膠合(he)板(ban)(ban)(ban)類型有三(san)合(he)板(ban)(ban)(ban)、五合(he)板(ban)(ban)(ban)等(deng)。膠合(he)板(ban)(ban)(ban)能(neng)提高木(mu)材利用率,是節約木(mu)材的一(yi)個(ge)主要途徑。
竹膠板和膠合板的區別
膠合(he)板和竹(zhu)膠板之(zhi)間(jian)的(de)區別(bie)主要(yao)是材質不(bu)同(tong),竹(zhu)膠板最結實耐用,周(zhou)(zhou)轉(zhuan)次(ci)數(shu)多,價(jia)格也(ye)(ye)最高(gao),實際較(jiao)少采用,一(yi)般施工采用較(jiao)多,價(jia)格居中,最后(hou)是膠合(he)板,也(ye)(ye)就是多層(ceng)板,價(jia)格低、周(zhou)(zhou)轉(zhuan)次(ci)數(shu)少,適(shi)用于層(ceng)數(shu)少、模板周(zhou)(zhou)轉(zhuan)率低的(de)工程。