The working principle of PU color-changing leather

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  • The working principle of PU color-changing leather تمويل الأعمال التجارية
  • Pull-up leather is also called pull-up leather.
    After this kind of leather is subjected to external tension (pulling, topping, bending), the color of the leather surface becomes lighter, and the color is restored after the external force is removed. It...أكثر من
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The working principle of PU color-changing leather

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