| 无纺布没有经线纬线之分 |
| 添加时间：2019/5/24 15:23:29 浏览次数： |
| 针刺无纺布是干法非织造布中一种，是将短纤维经过开松、梳理、铺成纤维网，然后将纤维网通过刺针加固成布，刺针有钩刺，将纤维网反复穿刺，钩带纤维加固，形成针刺无纺布，无纺布没有经线纬线之分，成布纤维杂乱，经向纬向性能差别不大。典型产品:合成皮革基布、针刺土工布等。 Needle-punched nonwovens are one of dry nonwovens. They are made of staple fibers which are zhushifen.07858.netjubingxi.07858.netguolvqiy.89ix.com jiezhifab.89ix.comyouxiangy.89ix.comshiyanc.89ix.comloosened, carding and laid into fibre nets. Then the fibre nets are reinforced into cloth by needles. The needles have hooks. The needles are punctured repeatedly and the hook-belt fibers are reinforced to form needle-punched nonwovens. Typical products: synthetic leather base cloth, needle-punched geotextile, etc. |
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