Flat feet in children is a common foot problem that may cause walking discomfort, pain, and even affect normal bone development. In order to effectively improve the problem of flat feet, children’s flat foot insoles came into being. This article will deeply explore the various materials, manufacturing techniques, and production processes used in these insoles, as well as the impact of different materials on the therapeutic effect, and demonstrate the performance differences of each material through specific numerical values.
Material selection
EVA (ethylene vinyl acetate copolymer): EVA is a lightweight, soft and elastic material. In insoles, it is often used to provide basic support and cushioning. The density and hardness of EVA can be adjusted as needed to achieve different support effects. Its impact absorption rate is approximately 80%, making it suitable for children with mild flat feet.
Memory Foam: Memory foam is a polyurethane foam that adapts to the shape and pressure points of your foot to provide personalized support. It has good cushioning and recovery properties, which can effectively reduce the impact when walking. The impact absorption rate of memory foam insoles usually exceeds 90%, which is suitable for children with moderate flat feet.
Poron Material: Poron is a high-performance polyurethane foam with good impact absorption and energy return properties. It is often used in key support areas of insoles to improve stability and comfort. The impact absorption rate of Poron insoles can reach more than 95%, which is suitable for children with severe flat feet.
Silicone: Silicone insoles have excellent elasticity and durability, providing good cushioning and support. Silicone insoles have a high elastic modulus, which can provide stronger support for children with flat feet and reduce foot pressure when walking.
Carbon fiber or nylon brackets: These hard materials are often used in the arch support portion of insoles to enhance support and stability. Carbon fiber or nylon braces are often combined with soft materials to provide adequate support while maintaining comfort.
Production technology and process
The production of insoles usually includes the following steps:
Design: Personalized design based on child’s foot shape, size and degree of flat feet.
Material selection: Choose appropriate materials based on design needs.
Cutting and shaping: Use professional cutting equipment to cut the material into the shape of the insole, and then form it by heat pressing or molding.
Performance testing: Perform performance testing on the formed insoles, including support, cushioning, comfort, etc.
Quality inspection: Conduct quality inspection on insoles to ensure there are no defects or defective products.
Packaging and delivery: The qualified insoles are packaged and then delivered to consumers.
Material performance differences and treatment effects
Insoles for children with flat feet made of different materials differ in aspects such as support, cushioning, comfort and therapeutic effects. For children with mild flat feet, EVA insoles may be an affordable option; while for children with moderate flat feet, memory foam or silicone insoles may be more suitable; for children with severe flat feet, Poron insoles combined with carbon fiber or nylon brackets may provide Optimum therapeutic effect. However, the final choice should be determined based on the child’s individual circumstances and the advice of the physician.
In short, choosing the right insole material for children with flat feet is crucial to improving flat foot problems and improving walking comfort. By understanding the performance differences and treatment effects of different materials, combined with the actual situation of children, the most suitable insole material can be selected to provide effective support for children’s foot health.