1. Moderate maintenance characteristics According to the different regulations of packaging design, the sponge inner support should be able to reasonably maintain the commodities, so the sponge inner support should have certain compressive strength, rigidity, ductility and extensibility, so as to incorporate the hazards of working pressure impact, vibration and other factors, and solve the problems of moisture, water vapor, vapor, light source, fragrant gas, odor, calorific value, etc. and have certain isolation working ability.

With the continuous progress and development of society, people's demand for all kinds of electronic products is increasing, especially for communication products, such as new IPAD products and smart phones. Many young friends are scrambling to buy the latest models to use. Therefore, this has greatly promoted the development of electronic product manufacturers, and these manufacturers are faced with a very common and severe problem, that is, anti-static phenomenon. Therefore, anti-static pad products become their indispensable products, and these anti-static pad products can make many manufacturers develop better. At present, manufacturers of anti-static products have invested a lot of production costs. By using the very advanced high-tech technology at present, they have increased the innovation and production of anti-static mats, and produced