There are two types of silica gel, and the prices of different types of silica gel are different. For example, the current market price of food-grade liquid silica gel is 40-50 yuan kilo, and if it is industrial-grade turnover mold silica gel 27-40 yuan kilo, and the higher the hardness of silica gel, the higher the price will be. The quotation of Hongfeng liquid silica gel fluctuates according to the market price, and the key is to see what use it has.