本文目录一览:
- 1、牛皮与牛皮革哪个更好?
- 2、什么是牛皮革是真皮吗
- 3、牛皮革是头层牛皮还是二层牛皮?
- 4、牛皮革是什么意思?
牛皮与牛皮革哪个更好?
当然是牛皮革相对好一点咯,牛皮一般是指从牛身上剥下来的未经脱毛和鞣制等物理、化学加工的生牛皮。而生牛皮经过脱毛和鞣制等物理、化学加工所得到的已经变性、不易腐烂的动物皮,再经过修饰和整理,做成的材质即为成品革,又称牛皮革。
牛皮和牛皮革的区别 :
(1)生牛皮有臭味、易腐烂,而且硬,没有韧性和弹性,不能成型加工等;
(2)牛皮革是由天然蛋白质纤维在三维空间紧密编织构成的。革的表面有一种特殊的粒面层,具有自然的粒纹和光泽,手感舒适。
(3)革具有天然材料特有的性能:①较高的机械强度,如抗张强度、耐撕裂强度、耐曲折等,耐穿耐用。②一定的弹性和可塑性,易于加工成型。用于生产各种革制品,在使用过程中不易变形。③易于保养,使用中能长久保持其天然外观。④耐湿热稳定性好,耐腐蚀,对一些化学药品具有抵抗力,耐老化性能好。⑤优良的透气(汽)、吸湿(汗)、排湿性能,因而穿着卫生、舒适。
什么是牛皮革是真皮吗
牛皮革是牛身上的皮,牛皮革是真皮。
2011年4月1日执行新的的行业标识中规定:头层牛皮改称为“牛皮革”。而真皮是使用动物的皮 *** 加工而成的。其中动物的皮包括牛皮,牛皮分为头层牛皮和二层牛皮。头层牛皮是牛身上的之一层牛皮。
头层牛皮,牛身上的皮,表面有原始的皮肤特征,头层皮又要按等级区别,好的是全粒面皮(也称为全粒面革),再其次是修面皮,再其次是软面皮,最次的就是碎皮,官方术语:牛皮革。
二层牛皮,带牛皮纤维的人造革,官方术语:超细纤维合成革。是由头层牛皮的边角料打碎按比例加入锦纶超细纤维和聚氨酯两部分构成树脂制成皮浆后,用机械压延的 *** 做成一张张的“皮胚”,再经涂饰或经过湿法或干法覆合上PU薄膜加工而成。
牛皮革是头层牛皮还是二层牛皮?
牛皮革是头层牛皮。
头层牛皮:
头层牛皮一般指牛皮革,是以生牛皮经过化学处理及物理加工,转变为一种不易腐烂、具有柔韧和透气等性能的产品。
皮革定义
根据现行标准QB/T2262-1996《皮革工业术语》中对皮、革的定义 ,“皮”是指取自动物身上,未经鞣制的皮,也称生皮,“皮革”是指使用生皮经过鞣制、防腐等加工处理成为可制成皮具产品的材料。
皮革标识
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),标识更改如下:
(1)、头层牛皮、头层漆皮改称为“牛皮革”。
(2)、二层牛皮,改称为“超细纤维合成革”。
(3)、PVC ,PU皮改称为人造革。
(4)、里布(含布料与尼龙料)改称为 "织物"。
以上内容参考 百度百科-头层牛皮
牛皮革是什么意思?
是头层牛皮,是牛身上的皮,表面有原始的皮肤特征,头层皮又要按等级区别,更好的是粒面皮(也称为全粒面革,韩译名:纳帕皮),再其次是修面皮,再其次是软面皮,最次的就是碎皮。官方术语:牛皮革,民间称谓:纯牛皮。
扩展资料:
碎皮是各种头层皮的边角料,每一块皮的颜色都会不同,出厂时会进行改色,生产出的成品会有部分会出现脱色和掉色的情况,出现脱色和掉色可以重新喷柒,(油性的碎皮喷了也会再出现脱色和掉色的情况,非油性的碎皮不会出现胶色、掉色的情况)。
毕竟属于头层皮,透气性。柔软性和使用寿命都与优质皮没什么区别,因为碎皮的成本低相对比较低。
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