There are four common types of silicone trademark production. ① Condensation silicone glue directly sticks to the fabric; ② Silicone primer + TPU hot melt adhesive; ③ Hot vulcanization silicone glue + hot melt glue; ④ Hot vulcanization silicone glue directly sticks the trademark to the fabric; with the condensation type silicone environmental protection The coefficient is lower than that of addition-type silica gel, and now the first solution is basically not used. The second type is the use of traditional trademark production. For export of clothes, backpacks, shoes and other silicone trademark glue bonding requirements, the ③ and ④ new processing techniques are basically more environmentally friendly and the production efficiency has also been improved.