Water-writing cloth is a kind of painting and calligraphy art supplies that can be used to practice brush calligraphy, painting and calligraphy, and children's graffiti painting after writing on its surface with a brush dipped in clear water, and can be written again after being dried.
Water-writing cloth is mainly made of cloth, and is made according to the principle that pigments are transparent when meeting water. Black cloth is used as the medium, and a layer of environmental protection white paint is added to the surface, which has the effect of being transparent when it meets water.
The main component of paint is silicon dioxide, which is the main component of sand and the main raw material for making water cups. Transparency in contact with water is mainly the physical principle of light reflection.
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Matters needing attention in using water-writing cloth:
1, with clean water, clean brush, not too much water.
2, oil-proof, sharp and hard surface, do not let colored water, oil stains, acid and alkali pollute the cloth.
3, to roll up, don't fold to dry after collection.
In general, it takes 2-5 minutes to dry after writing. For those who write faster, you can buy more copies to replace them.
5. After long-term use, water stains appear on the cloth surface, which can be washed with clear water. After natural air drying, the cloth is as good as new. Avoid oil stains on the cloth.
Baidu Encyclopedia-Shuishuabu