Manufacturers of antique garden sculptures talk about the production methods of antique stone carvings.

Scrub the stone carving surface with nitric acid water or hydrochloric acid water. The surface of the stone has been corroded by chemical reaction. When it rains in the open air in summer, it looks like a cultural relic after a long time. Black and shiny due to nitric acid water or hydrochloric acid water, with a layer of wrinkled skin on it. But there are no real cultural relics.

Heat the stone carving with fire, mix it with alum water and yellow mud, and dry it to make it look like an unearthed cultural relic.

Boil the stone carving with smoked water and alum for a few days. Then take the stone carving out to dry. It looks like iron filings and rust.

Carve stone carvings in the water with alumni Huang Teng for a few days. Then take the stone carving out to dry. It looks like iron filings and rust.

Smoke the stone carving with a layer of original tire, put it in a sunny place, spray water several times a day, and then brush off the floating smoke, ash and floating soil with cold water for several months. The remaining smoke glaze and stone carving condensation are almost the same as the real loess rust.

Rinse it with potassium permanganate boiling water and apply it to the stone statue. After being infiltrated by potassium permanganate, according to the requirements of color depth, the floating color on the surface is washed with clear water, and then wiped with a little yellow mud to achieve the effect of antique works. To know the real stone carving cultural relics, it won't peel off with an alkaline brush. If the fake rust is realistic, but the rust brushed with alkaline water no longer exists.

According to the hardness of different stones, the firing time is 4-9 seconds, the distance between the oxygen lance and the stone carving surface is controlled at 6- 1 1 cm, and the firing area of the stone carving reaches 75-96. Then clean the stone carving with an iron brush, thoroughly polish it with a brown wool machine according to the old and new degree, and then coat it with aged tea juice 47 and ink 3.30080.000000010005