EVA (ethylene-vinyl acetate copolymer) Block material is a multifunctional polymer material, and its performance parameters are crucial for different application scenarios. The following are the main parameters of EVA Block materials and their specific values, as well as suitable application scenarios under different parameters.
1. Density
Value range: usually between 0.3-0.9 g/cm³.
Example: EVA Block material with a density of 0.5 g/cm³.
Application scenario: This density of EVA Block material is suitable for general sports insoles because it provides good cushioning and support properties while maintaining an appropriate weight.
2. Hardness
Value range: Shore hardness is usually between 20A-70A.
Example: EVA Block material with a hardness of 35A.
Application scenario: This hardness of EVA Block material is suitable for daily wear insoles or casual sports insoles that require moderate cushioning and support.
3. Color
Value/Description: EVA Block material can be customized into various colors.
Example: red, blue, black, etc.
Application scenarios: EVA Block materials of different colors are suitable for different product designs, such as children’s toys, sports equipment, etc., to meet different aesthetic needs.
4. Thickness
Value range: usually between 1-20 mm.
Example: EVA Block material with a thickness of 5 mm.
Application scenario: EVA Block material of this thickness is often used at the bottom of insoles to provide sufficient cushioning and support.
5. Rebound
Value range: Rebound performance is usually expressed as a percentage, such as 60%, 70%, etc.
Example: EVA Block material with a resilience energy of 70%.
Application scenario: High resilience EVA Block material is suitable for products that need to quickly recover their shape, such as yoga mats or sports equipment, and can provide better elasticity and durability.
6. Tension
Value range: usually in MPa (megapascal) as the unit, ranging from 5-25 MPa.
Example: EVA Block material with a tensile strength of 15 MPa.
Application scenarios: High-tensile EVA Block materials are suitable for applications that need to withstand large tensile forces, such as outdoor products, handles, etc.
7. Compression ratio
Numerical range: usually expressed as a percentage, such as 10%, 20%, etc.
Example: EVA Block material with a compression ratio of 15%.
Application scenarios: EVA Block materials with low compression ratio are suitable for applications that need to maintain shape stability, such as gaskets, sound insulation materials, etc.
By understanding these parameters and their specific values of EVA Block materials, designers and manufacturers can choose appropriate materials according to different application scenarios to achieve the best performance and effects.