推荐回答(2个)
现在有很多的皮鞋都号称是头层牛皮的鞋面,但是如何辨别头层牛皮,非专业人士也是有点懵的。本文就简单教大家如何辨别头层牛皮。
什么是头层牛皮
首先,我们要先了解什么是头层牛皮。
头层牛皮就是牛身上的上皮,简单来说就是牛身上的第一层皮。是最好的一层皮,价格上也比二层皮要贵很多。它的表面有原始的皮肤特征,并且是由类似绒毛的纤维层和与纤维层紧密连的稍疏松的过度层共同组成。如疤痕、血筋、毛孔等等,呈现出自然分布的纹理,是由牛身上的原皮直接加工而成的,并没有附加其它的物质进行贴合重组,柔软细腻、不易变形、不会掉毛,是制作皮鞋的上等材料。头层牛皮也广泛应用于各类皮革制品的制造。比如皮带,钱包,包包,皮沙发等。
头层牛皮的优点
头层牛皮是最上乘的皮革材质,它的皮革截面是完好紧密的,还具有良好的弹性、强度和工艺可塑性等特点。不仅如此,头层牛皮还有一定的防水性,并且光泽度高,皮色均匀,耐磨损,深受消费者的喜欢。而且用头层牛皮制作的产品的原皮质感很强,让人看起来就很高端。
如何辨别头层牛皮
不建议用火烧的办法。
一般采用一看、二摸、三捏、四闻的方法。
一看,看牛皮的整体纹路,一张完整的牛皮,在纹路方面通常会呈现分布不均的情况,这是因为它位于一整只牛的不同部位,纹理自然就有密有疏,上面还会分布着清晰可见的细小毛孔,如果想观察细致的话,可以借用放大镜来辅助。如果可以看到牛皮的横截面的话,头层牛皮可以明显看见紧凑的截面组织,正面是光滑面,反面一般是毛面。
二摸,软牛皮的头层皮摸上去手感是十分滑爽的,皮面的延展性也很强,而不是真皮的皮面则有干涩感,表面也缺乏延展性。
三捏,利用头层牛皮延展性较佳这一特性,抻拉皮面就会有明显的拉伸效果,一张9.8厘米的头层牛皮,一般可以拉至10.9厘米,拉伸率可达11.2%,也正因为如此,头层皮的弹性也很大,轻轻按压就会看到四周围有明显的不规则起皱现象。
四闻,人造皮革有一种塑料刺鼻的味道,很难闻,而头层牛皮的原皮味道比较特殊,是一种特别的牛油气味,个人感觉有点像是平常吃的牛油火锅的味道~~嗝~想吃火锅了~
而因为头层牛皮的皮鞋,生产时会进行打磨,打磨才能使胶粘更牢,胶粘了,就自然有胶水气味。头层牛皮是牛身上的皮,牛只有一种色,光泽度不如二层牛皮(即假牛皮)光亮,所以在生产后,会喷抛光剂,所以会有油柒的气味。所以有时也就闻不到牛本身的味道了。
而二层牛皮是头层皮打碎后加入聚乙烯材料(所以即使火烧也会有牛皮的味道),皮面如果破了,还未生产就会破,所以皮面较厚,生产过程,不能进行打磨,如果打磨了,使用后鞋帮就会断裂,真皮不打磨就容易开胶,所以二层牛皮的皮鞋均采用机械制造,不用胶水,没有胶水气味。
牛皮革
应国家轻工业局 [1] 要求,2011年4月1日执行新的行业标识,标识文件号为:QB/T1333-2018(背提包),QB/T2155-2010(旅行箱包);标识更改,头层牛皮、头层漆皮改称为“牛皮革”。
牛皮革是真皮,人造革才是假皮!!
现在的牛皮皮鞋都不是很贵呀,几百块钱就可以买到一双的,现在谁都有这么多钱的,所以随时都可以有一双牛皮鞋。
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