The working principle of PU color-changing leather

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  • The working principle of PU color-changing leather Affaires et Finance
  • 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...plus
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    • Dernière mise à jour 24 mars 2022

The working principle of PU color-changing leather

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