1. When the liquid silicone bracelet is made of carbon black, the outer surface of the silicone should be thicker to avoid the illusion of shiny surface;　　2. The flash edge and peak of the parting surface must be less than 0.05mm;　　3. When the color is required to be silver, it is necessary to spray twice, otherwise flow lines will occur;　　4. The hardness of silica gel is generally adjusted between 40 degrees and 61 degrees;　　5. The treatment agent must be applied before the glue of the liquid silicone bracelet to have the adhesive effect, and the treatment agent should not overflow on the outer surface of the liquid silicone bracelet; the double-sided tape should be determined according to the material to be glued;6. Before the formal mold is opened, it is generally required to open a cavity sample mold to confirm the feasibility of the product. If there is a problem, it can only be corrected on the sample mold. After the large mold is opened, it is generally not easy to modify, otherwise the mold life will be short. ；　　7. When the silicone assembly is bent, due to the soft characteristics of silicone, most mold openings require straightening the product before opening the mold, and there are special cases;