Books that have been stored for a long time should be taken out to dry regularly, but not in this weather.
3, mildew season and other wet weather should pay attention to moistureproof, keep dry.
4. Be careful when reading. Don't read books while eating to prevent oil pollution.
5. Place necessary moth-proof and mildew-proof drugs. At present, there are mainly two kinds of drugs: mildewproof insect repellent and mildewproof insecticide, and the effect is good.
For Jiangnan, especially the middle and lower reaches of the Yangtze River. It is very important, very important, very important to prevent books from mildew and insects in rainy season. Because the temperature and humidity in the air at this time are very suitable for the reproduction and growth of various molds and pests.
According to relevant data, the temperature is 25-37℃ and the humidity is above 70%, which is the most suitable growth environment for various molds and pests. The common molds in family books are mainly Aspergillus, such as Aspergillus flavus, Aspergillus Niger, Aspergillus versicolor, Aspergillus nidulans and so on. The harm of mold to books is mainly that when mold decomposes and absorbs cellulose nutrition in paper, it can decompose organic acids to corrode paper, make paper yellow and brittle, and for colored mold, it can also pollute book paper.
The common pests in family books mainly include: tobacco beetle, medicinal beetle, booklice, wool fish and so on. The harm of book pests to books is mainly to eat books into unequal round holes; From the outer edge of the book to the outer side, the book is eaten, making the book irregular; Deface and cover books, etc.
The main methods to prevent mildew and insects in family books are:
1. Keep books clean, dry and ventilated: when reading, keep your hands as clean as possible to prevent dust and oil stains from falling into books, especially food fragments. At the same time, we should pay attention to the cleanliness of the bookcase. Drying: Keep the bookcase away from moisture as much as possible. You live on the first floor. You can pad the bookcase. When the air humidity is high, you can put desiccant in the bookcase. Ventilation: put the bookcase in a ventilated place to ensure fresh air in the bookcase.
2. Add mildew and insect repellent. At present, there are mildew-proof and insect-proof agents on the market, as well as Nanjing Archives.
After the rainy season, the books in the cupboard should be handled as needed. For example, when the weather is fine and there is little dust in the air, you can move the books out and put them in a cool and ventilated place where direct sunlight is not available for natural ventilation and dehumidification; For books with mildew or mildew, gently wipe off the mildew with a wrung wet towel and put them in a cool and ventilated place to dry in the shade. Don't expose them to the sun.
4. For rare books, rare books and rare books, acid-free special fittings should also be used for proper protection.