1. The warehouse building shall be solid, with a high foundation, a fixed height of the house body, and no rain leakage. The ground shall be plastered with cement or wood, and the brightness in the warehouse shall be sufficient. In order to avoid the direct sunlight of rabbits, the leather warehouse shall be in the east-west direction, and the glass of doors and windows shall be colored glass. The temperature of the warehouse is 5 ~ 25 ℃, the relative humidity is kept less than 65%, and the warehouse is equipped with a moisture absorber and a controller.
2. Inspection before warehousing: for the leather to be warehoused, first check the moisture content of raw hide, and then check whether there are pests or insect eggs on the leather. For the salt preserved leather, check the degree of anti-corrosion. If the wet leather is found, it should be dried in time. The raw insect skin must be treated with drugs, and the salt is too low or the rotten skin should be fresh anti-corrosion.
3. If the storage volume is small, the fox skin and raccoon skin with large leather surface shall be hooked on the tip of nose with rope or wire, and hung on the wire horizontally pulled in the air, about 1 meter from the ground; it can also be stored on the wooden frame. Mink skin is small, which can be placed on the built wooden frame, at the same time, camphor powder is put in or anti insect medicine is sprayed. The leather sheet shall be covered with white cloth.
4. If the number of stored leather is large, it shall be stored in a special warehouse, and a 20 cm high wooden cushion frame shall be placed on the ground. The same kind of leather sheets in the warehouse must be stacked according to the grade, and a certain distance (15 cm) shall be kept between the stack and the stack (0.3 m), the stack and the wall, and the stack and the ground, with a sidewalk width of about 1.5 m.
During storage, the wool quilt and leather plate shall be placed on the wooden frame with a height of no more than 2.5m and covered on the leather stack with white cloth to prevent dust pollution. Appropriate amount of anti insect and anti rat drugs shall be placed in each cargo stack. If different kinds of leather are kept in the same warehouse, the storage spaces must be separated from each other and cannot be mixed together.
5. Do a good job in ventilation to prevent the skin from getting wet and moldy. When entering the hot and rainy season in midsummer, due to the hot weather and high humidity, the skin is prone to mildew and deterioration. The wet and moldy appearance of raw material skin is: white or green film is produced on the skin plate and wool quilt, mildewy taste is found on the light ones, local color changes, and purple black is found on the heavy ones.
To do this, check it often. When the temperature is too high, ventilate and exhaust to cool down; when the humidity in the warehouse is high, strengthen the air circulation, or place some hygroscopic agents, such as quicklime powder, in the warehouse. If the leather board is found to be moldy, it shall be dried in a cool and ventilated place in time, and the grey green film on the leather board shall be brushed off, and it shall not be exposed to the sun.
6. Do a good job in insect and rat prevention. Before entering the warehouse, sprinkle some camphor powder on each leather sheet. After storage, spray some insect control drugs in the warehouse to prevent the propagation of pests. In order to prevent rats from gnawing on the leather sheet, put the rat medicine in the warehouse, or bind the rat glue plate on the corner of the wall, the column of the leather shelf and the bottom.
