WHAT IS LEATHER? – INDEX PAGE

1. What is leather?	16. Deliming and bating
2. Chief processes in leather manufacture	17. Pickling
3. Skin structure	18. Paraffin degreasing
4. Collagen	19. Tannage
5. Keratin	a) Mineral tannage
6. Non-proteinous skin components	b) Vegetable tannage
7. Skin components and water	c) Aldehyde tannage
8. Flaying	d) Oil tannage
9. Curing	20. Syntans
10. Soaking	21. Dyestuffs and dyeing
11.The physical chemistry of raw hide and curing process	22. Fatliquoring
12. Collagen swelling in water solutions  melting & shrinkage temperature	23. Finishing
13. Enzymology of proteolytic processes	24. References
14. Unhairing and Liming
15. Fleshing and splitting