The invention aims to provide a lightweight artificial
quartz stone and a production process thereof. The lightweight artificial
quartz stone is jointly formed by a prefabricated material of an artificial board and a prefabricated material of a lightweight layer. The prefabricated material of the artificial board is prepared from the following components in parts by weight: 100 to 150 parts of white
cement, 20 to 90 parts of silica
powder, 200 to 300 parts of
quartz chips, 50 to 100 parts of stone aggregate, 30 to 36 parts of water, 1.5 to 3 parts of a water
reducing agent, 70 to 80 parts of resin, 5 to 10 parts of color paste and 0.1 to 0.2 part of a curing agent. The prefabricated material of the lightweight layer is prepared from the following components in parts by weight: 6 to 10 parts of hollow glass microspheres, 20 to 60 parts of silica
powder and 30 to 70 parts of resin. The production process for the artificial quartz stone comprises the following step: S1, preparation of the prefabricated material of the artificial board: weighing raw materials consisting of 100-150 parts of the white
cement, 20-90 parts of the silica
powder, 200-300 parts of the quartz chips, 50-100 parts of the stone aggregate, 30-36 parts of the water, 1.5-3 parts of the water
reducing agent, 70-80 parts of the resin, 5-10 parts of the color paste and 0.1-0.2 part of the curing agent, adding the raw materials into mixing equipment for mixing at normal temperature so as to obtain the prefabricated material of the artificial board for later use.