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人造板機械的特點

時間:2019年01月17日來源:本站原創作者:admin點擊:

今天我們來為大家簡單介紹一下人造板材幾貼的特點,相信很多小伙伴都不知道

與鋸材相比,人造板的優點是:幅面大,結構性好,施工方便;膨脹收縮率低,尺寸穩定,材質較鋸材均勻,不易變形開裂;作為人造板原料的單板及各種碎料易于浸漬,因而可作各種功能性處理(如阻燃、防腐、抗縮、耐磨等);范圍較寬的厚度級及密度級適用性強;彎曲成型性能比鋸材好。人造板的缺點是膠層會老化,長期承載能力差,使用期限比鋸材短得多,抗彎和抗拉強度均次于鋸材。但終因木材日缺,人造板被用來代替鋸材的許多傳統用途,其產量也迅速增加。西歐國家鋸材與人造板產量之比已從1950年的20:1下降到1983年的 2.1:1;中國的二者之比,也從1950年的34:1降到1983年的10:1,下降趨勢尚在繼續。

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