羊毛氈的密度 

　　工(gong)業(ye)毛(mao)(mao)(mao)(mao)氈的(de)密度單(dan)位為（克/立方厘(li)米）。 密度過大會(hui)失掉(diao)彈(dan)性(xing)，密度過小又會(hui)失掉(diao)耐磨(mo) 性(xing)。厚度、毛(mao)(mao)(mao)(mao)的(de)粗細對其(qi)功(gong)能也有不一樣的(de)影響 ，運(yun)用(yong)(yong)(yong)單(dan)位可(ke)根據(ju)運(yun)用(yong)(yong)(yong)請求適當選(xuan)用(yong)(yong)(yong)或奉告用(yong)(yong)(yong) 途，避免影響運(yun)用(yong)(yong)(yong)。目(mu)前各種(zhong)類毛(mao)(mao)(mao)(mao)氈分：特品毛(mao)(mao)(mao)(mao)氈、一般毛(mao)(mao)(mao)(mao)氈。區(qu)別(bie)是按毛(mao)(mao)(mao)(mao)的(de)粗細、密度的(de)大小和色(se)澤(ze) 的(de)區(qu)別(bie)來(lai)區(qu)分；技能請求是按有無(wu)強力、伸長 、毛(mao)(mao)(mao)(mao)細管作用(yong)(yong)(yong)來(lai)區(qu)分，運(yun)用(yong)(yong)(yong)單(dan)位可(ke)根據(ju)需(xu)要加(jia) 以選(xuan)擇。工(gong)業(ye)上用(yong)(yong)(yong)的(de)毛(mao)(mao)(mao)(mao)氈稱為工(gong)業(ye)毛(mao)(mao)(mao)(mao)氈。一般雜毛(mao)(mao)(mao)(mao)氈：運(yun)用(yong)(yong)(yong)的(de)質料(liao)大多數(shu)是再生毛(mao)(mao)(mao)(mao)，該商品宜用(yong)(yong)(yong)于(yu)襯墊、保暖、絕熱等(deng)處，價格便宜。