Not the same, professional shoe repair glue belongs to resin glue, and the component is polyurethane resin, which is a sticky slow-drying glue and needs heating to fit. For example, Green Leopard Resin Glue and Nanguang Resin Glue are typical professional polyurethane resin shoe glue. The composition of 502 is cyanoacrylate, which is pure chemical and water-based. The bonding principle of the two glues is also different. 502 is a chemical reaction, which is harmful to materials. Resin glue belongs to physical fusion and will not change the chemical properties of the material itself.

Extended data

Glue 502 is used to bond porous and absorbent materials, as well as steel, nonferrous metals, rubber, leather, plastics, ceramics, wood, nonmetallic ceramics, glass and flexible materials such as rubber products, leather shoes, soft and hard plastics. However, the surfaces of difficult-to-stick materials such as polyethylene, polypropylene and polytetrafluoroethylene need special treatment before bonding. Widely used in electrical appliances, instruments, machinery, electronics, optical instruments, medical care, light industry and civil industries.

Similar products are 40 1, 4 15 and so on. The effect is similar to that of 502, and the price is relatively expensive on the market. There is also low-priced green red glue, which is also a kind of AB glue, and the price is relatively cheap.