1, the first layer of cowhide: the first layer of cowhide is cowhide, which is the skin of cattle.

2. Two-layer cowhide: The two-layer cowhide is superfine fiber synthetic leather, which is made by breaking the scraps of the first layer cowhide and adding polyethylene material to re-bond.

Second, the cerebral cortex is different.

1, the first layer cowhide: the first layer cowhide has the delicate texture characteristics of the most primitive cowhide.

2. Two-layer cowhide: The leather of two-layer cowhide looks rough and feels poor.

Precautions:

The first layer of cowhide is the skin of cattle, and the surface has the characteristics of original skin. The first layer of cowhide should be graded. The best is full grain leather, followed by trimming leather, followed by soft leather and broken leather.

Two-layer cowhide is the second layer cowhide which is divided into two or even three layers. Then it is re-bonded with PVC and PU materials to make leather, which is suitable for making middle and low-grade leather products. It looks very classy, and its appearance is similar to that of the first floor. Only after use, it is not as wear-resistant and tensile as the first layer of cowhide, but it is still much better than PU leather. ?

The top leather includes calf leather, grain leather, smooth leather, trimmed leather, soft leather and broken leather. There are natural scars and traces of blood tendons on the leather surface, and occasionally there are knife wounds during processing and extremely low utilization of the belly. The imported top skin also has the number plate of the ox. Full grain leather can be distinguished by pore thickness and density.