| 摘要 |
An elastic fiber for a chair is composed of a core layer and a surface layer formed in a co-extrusion method. The core layer and the surface layer are same serial elastic materials, Thermalplastic Ester Elastomer (TPEE). The core layer has a higher melting point than that of the surface layer. The ratio of the core layer to the surface layer is 9:1, 8:2 or 7:3.
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