纖維被七孔被知識普及 七孔被是什么
常聽人們說(shuo)什么“七(qi)孔(kong)被(bei)(bei)”、“九孔(kong)被(bei)(bei)”,究竟這“七(qi)孔(kong)”、“九孔(kong)”是何意思呢?原來,這說(shuo)的(de)是“纖(xian)(xian)(xian)維(wei)被(bei)(bei)”的(de)不同分(fen)(fen)類。纖(xian)(xian)(xian)維(wei)被(bei)(bei)又被(bei)(bei)稱為(wei)“太空棉”,是用滌綸、人造纖(xian)(xian)(xian)維(wei)等(deng)物質做成(cheng),“孔(kong)”指的(de)是一條纖(xian)(xian)(xian)維(wei)中的(de)空芯部位,孔(kong)前(qian)面的(de)數字表示所使(shi)用的(de)纖(xian)(xian)(xian)維(wei)中空芯的(de)個數。市面上的(de)纖(xian)(xian)(xian)維(wei)被(bei)(bei)主(zhu)要分(fen)(fen)為(wei)四(si)孔(kong)、七(qi)孔(kong)和九孔(kong)三種,品質的(de)評定一般由孔(kong)數來分(fen)(fen),孔(kong)數越多的(de)被(bei)(bei)子透氣性越高,品質越佳。
纖維被
七孔九孔棉概念(nian)科學認識:
所(suo)謂“七孔(kong)(kong)(kong)棉(mian)”、“九(jiu)孔(kong)(kong)(kong)棉(mian)”其(qi)實是(shi)(shi)(shi)化纖(xian)(xian),帶孔(kong)(kong)(kong)的(de)棉(mian)被內芯都(dou)不是(shi)(shi)(shi)棉(mian),而是(shi)(shi)(shi)化纖(xian)(xian)產品。國(guo)家目(mu)前對(dui)多(duo)(duo)空枕(zhen)頭并沒有標準,對(dui)多(duo)(duo)孔(kong)(kong)(kong)纖(xian)(xian)維(wei)的(de)含量也(ye)沒有具(ju)體要求,據說實際(ji)含量是(shi)(shi)(shi)多(duo)(duo)少,是(shi)(shi)(shi)0%,還是(shi)(shi)(shi)10%到100%都(dou)可稱為(wei)七孔(kong)(kong)(kong)或(huo)九(jiu)孔(kong)(kong)(kong)枕(zhen),市(shi)場甚至出現了11孔(kong)(kong)(kong),12孔(kong)(kong)(kong)枕(zhen)頭。“七孔(kong)(kong)(kong)棉(mian)”、“九(jiu)孔(kong)(kong)(kong)棉(mian)”,其(qi)實這些產品都(dou)應當稱為(wei)“滌綸(lun)纖(xian)(xian)維(wei)”和“棉(mian)”根本不沾邊。關于所(suo)謂“孔(kong)(kong)(kong)的(de)”數(shu)量,更是(shi)(shi)(shi)無從考(kao)究,《枕(zhen)頭記》引用中(zhong)國(guo)纖(xian)(xian)維(wei)行業(ye)權威儀征(zheng)化纖(xian)(xian)的(de)介紹,目(mu)前技術最(zui)先進的(de)儀征(zheng)化纖(xian)(xian)工廠(chang)僅(jin)僅(jin)生產一(yi)孔(kong)(kong)(kong)的(de)中(zhong)空纖(xian)(xian)維(wei),不存在七孔(kong)(kong)(kong)或(huo)者九(jiu)孔(kong)(kong)(kong)纖(xian)(xian)維(wei),市(shi)場上面多(duo)(duo)數(shu)七孔(kong)(kong)(kong)或(huo)者九(jiu)孔(kong)(kong)(kong)纖(xian)(xian)維(wei)均系中(zhong)空棉(mian)。