沙发革的补伤

Mending the blemishes in sofa leather

用于沙发革生产的原料皮一般伤残较多 ,且沙发革要求张幅大 ,故在生产中必须进行补伤操作。

There are many blemishes in the raw materials which are used to produce sofa leather, and one of the requirements is that the leather possesses large area. So the mending of blemishes is needed in the processing. The selection of chemical materials and the technology are presented in detail.