(Text / Zou Wenhua)
Memory foam consists mainly of polyurethane as well as additional chemicals increasing its viscosity and density. Higher-density memory foam softens in reaction to body heat, allowing it to mold to a warm body in a few minutes. Newer foams may recover more quickly to their original shape.memory foam was initially referred to as [slow spring back foam"the foam has an open-cell solid structure that matches pressure against it, yet slowly springs back to its original shape. Using memory foam as material.
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