The package of soft shell plush Bing Dwen Dwen clearly indicates that the shell material is "silicone rubber"

aterial of the solid silica gel molding process is solid. After being mixed by a mixer, it is cut into materials of appropriate size and thickness and then put into a mold. It is molded under a certain temperature of a pressure molding machine; The raw material of liquid silicone molding process is injection molding liquid silicone rubber, and the curing equipment is injection molding machine.

The shape of Bing Dwen Dwen's ice shell is inspired by "sugar gourd". In actual production, silica gel material is used. The silica gel shell of "Bing Dwen Dwen" is large in size, which is different from other small products. The first mock examination can produce dozens of products. A set of "Bing Dwen Dwen" molds can only produce two silica gel shells at a time.

In addition, the manufacturing process of the shell of Bing Dwen Dwen is complex, and the requirements for fineness and cleanliness are also high. First, the mold must be cleaned and swabbed, then polished, and then the silica gel is placed on the mold and sent to the machine for molding. The demoulding process should be very fine, without any damage. After the completion, the Olympic rings and rainbow bars will be integrated into the products, and lovely Bing Dwen Dwen will be born in this way.