⑴ Soaking: It has a great influence on product quality. The operation method must be strictly implemented. The purpose of soaking is to restore the fresh epidermis of rawhide, remove some protein, and remove impurities such as blood stains and feces.

(2) Internal shearing: soak in water to soften the fur. Spread it upside down on a semi-circular log and scrape off fat, leftover meat, etc. Attach to the meat surface with an arcuate knife. In order not to hurt the hair roots, you can spread a thick cloth on the log first when scraping.

(3) degreasing and washing: the quality of finished fur depends on whether degreasing is complete or not. In the degreasing process, the fat should be removed without damaging the fur. Saponification method is mild, and its principle is to use the properties of soap generated by alkali and grease to remove grease from the coating.

Extended data

There are about 150 ~ 180 kinds of fur in rawhide.

Domestic animal skins mainly include sheepskin, rabbit skin, dog skin, cat skin, calf skin and pony skin.

(1) Sheepskin: including sheepskin, lambskin, goatskin and kid. Sheep skin is divided into coarse wool sheep skin, semi-fine wool sheep skin and fine wool sheep skin. Coarse wool sheep have thick and straight fur and compact fiber structure, such as China Inner Mongolia sheepskin, Kazak sheepskin and Tibetan sheepskin. Balkan sheepskin is mostly coarse wool sheepskin.

China's cold sheepskin, moon sheepskin and tan sheepskin are all semi-fine wool sheepskin. Fine wool sheep has fine fur and loose fiber structure, such as American slave fine wool sheep skin and Australian fine wool sheep skin. Fine-wool sheep is an improved hybrid sheep, which is famous for its fine-wool sheep in China, Xinjiang and Northeast China.

Lamb skin, also known as lamb skin, China Zhangjiakou lamb skin, Kuqa lamb skin, Guide black and purple lamb skin, Zhejiang Xiaohu lamb skin wavy hair, Ningxia Tan lamb skin 7 ~ 9 bends, Tan Ermao, are all world-famous. Persian lamb skin is also called Kara Culpi, and China is called Sanbei lamb skin. Its fur is black, amber, platinum, brown, gray and pink. The value is the highest if the fur is like a lying silkworm.

Mainly produced in the Soviet Union, Afghanistan and other countries. China Inner Mongolia cashmere skin, the skin plate is dense, the needle hair is thick and long, and the fluff is dense. Suede, also known as kid, can be divided into black kid, white kid and green kid. Jining, China is famous for its green skin.

② Rabbit skin: the skin plate is thin, the fluff is dense, the needle hair is brittle, and the durability is poor. There are rabbit skins of this variety, such as rabbit skin with big ears, rabbit skin with big ears and black oil, rex rabbit skin, Angolan rabbit skin and so on.

References:

Baidu encyclopedia-furs