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Why leather gets hardened aftet taning

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Why leather gets hardened aftet taning
  • 4 answers

Mukan Jangra????? 4 years, 8 months ago

Thank you bhai

Dr.Niraj Kumar 4 years, 8 months ago

Leather is colloidal in nature and has +vely charged particles. When they are soaked in tannin, their mutual coagulation takes place and, thus leather becomes hard after tanning.

Mukan Jangra????? 4 years, 8 months ago

Chapter 5 ncert book Is chapter ka last 2ya3 page answer

Mukan Jangra????? 4 years, 8 months ago

Due to cogulation
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