1. Soak the stone in 3%-5% oxalic acid solution, and most of the attachments can be seen to have fallen off by themselves for 3-4 hours. Then soak in water for about 1 hour, and finally rinse with clean water with a brush or steel ball to continue cleaning.
2, acetone is a chemical raw material, decontamination is very strong, for those exposed to the outside for many years of stone (such as Gobi stone) is particularly suitable. Rub with cotton, wipe with a dry cloth, and rinse without water.
3, the market for leather clothes, leather sofa and other leather cleaning agent cleaning, simple, just wipe it. The disadvantage is that the cost is a little high.
4, for the so-called \"leakage\
5, according to the surface of the stone, choose different hardness of the bristles to dip in water to clean the surface of the stone.
Regarding this problem, there are usually several ways to wash stones:
1. Water flushing method: Put the stone into the basin or the sink, wash the stone surface with water, which can be repeated several times until the stone surface is clean.
2. Salt water soaking method: Put the stone into the basin or sink, add the right amount of salt, soak for a certain time, rinse with water.
3. Chemical cleaning method: Put the stone into the basin or sink, add the appropriate amount of chemical cleaning agent, and clean according to the instructions.
4. Mechanical cleaning method: Use a professional stone washing machine or cleaning equipment to clean the stone into the machine.
Regardless of the method used, the cleaned stones should be dried or dried and then stored in a ventilated and dry place.
One is sifting, the other is rinsing. The biggest disadvantage of the screening method is that the stone with small particle size is screened, which destroys the continuous gradation of stones (continuous gradation refers to the continuous gradation from the largest particle size to the small level, in which the stone with each particle size accounts for a certain number