有一种会“啃”玻璃的化学物质,一旦玻璃制品和它接触,轻的去掉一层表皮,重的甚至会被整个儿“吃掉”。这个吃玻璃的“怪物”就是氢氟酸,它是人们刻蚀玻璃的好帮手。在玻璃制品的表面,先均匀地涂上一层致密的石蜡,然后用工具小心地在蜡层上刻画图案或刻度,使要雕刻部分的玻璃露出来。然后把适量的氢氟 There is a chemical that will “gnaw” on the glass, and once the glass comes into contact with it, it will lightly remove the layer of skin and even be “eaten” by the whole child. This glass-eating “monster” is hydrofluoric acid, which is a good helper for people to etch glass. In the glass surface, first evenly coated with a layer of dense paraffin wax, and then carefully with the tool on the wax pattern or scale engraving, so that part of the glass to be exposed. Then put a proper amount of hydrofluoric acid