EVA low-density foam sheet, as a kind of packaging material with environmental protection, light weight and excellent cushioning performance, has a broad application prospect in the production of insoles. This article will introduce the production process, performance characteristics and application of EVA low-density foam sheet in insole production.
Manufacturing process of EVA low-density foam sheet
Material preparation: Select high-quality EVA resin, foaming agent, catalyst and other raw materials, and mix them evenly according to a certain proportion.
Stirring: Put the mixed raw materials into the mixer, stir thoroughly and evenly to ensure that the materials are fully mixed.
Extrusion molding: The stirred raw materials are extruded into sheets through an extruder, and the extrusion speed and temperature are controlled to ensure uniform sheet thickness.
Cooling and shaping: Cooling and shaping the extruded sheet to give it a certain hardness.
Cutting: cut the cooled and shaped sheets as required to obtain EVA low-density foam sheets of different sizes.
Performance characteristics of EVA low-density foam sheet
Lightweight: EVA low-density foam sheet is light in weight, easy to carry and use.
Elasticity: It has good elasticity and can adapt well to the shape of the feet, providing good support and comfort.
Cushioning performance: It has good buffering performance, can absorb and disperse impact force, and protect the feet from injury.
Water resistance: It is not easy to absorb water and has good water resistance, suitable for use in various environments.
Environmental protection: Made from environmentally friendly materials that meet environmental requirements, it is a sustainable material.
Application of EVA low-density foam sheet in insole production
Cutting: cut EVA low-density foam sheet according to the shape and size requirements of the insole.
Hot pressing forming: The cut sheet material is hot pressed to form a certain shape and hardness.
Surface treatment: according to the needs, the surface of EVA low-density foam sheet can be sprayed and fitted to improve the skid resistance, wear resistance and comfort of the insole.
Assembly: Assemble the processed EVA low-density foam sheet with the sole material to make a complete insole.
Testing: Test the produced insoles to ensure they meet design requirements and performance requirements.
Conclusion
EVA low-density foam sheet, as a kind of packaging material with environmental protection, light weight and excellent cushioning performance, has a broad application prospect in the production of insoles. By using reasonable manufacturing techniques and surface treatment techniques, shoe insole products that meet the requirements can be produced, improving wearing comfort and protecting feet from injury. At the same time, the use of EVA low-density foam sheet also meets the environmental requirements, which is a sustainable material choice.