cover image: Department of Industries  Bengal  Calcutta Research Tannery  Handbook of Tanning

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Department of Industries Bengal Calcutta Research Tannery Handbook of Tanning

1921

In case of green and wet salted hides the soaking usually consists in washing the hides in 2 or 3 changes of water in the former case to remove the adhering dung and blood and in the latter also the salt which was used for curing. [...] But both the total duration of liming and the treatment in the various limes are to be varied according to the class of leather under manufacture and the qualities desired in the final product. [...] The object of this is not only to remove asthe name implies the lime from the hides but with certain classes of hides and skins also to dissolve out the cemeting substance of the hide fibres to loosen the lime soap formed daring liming and to bring Awn the swelling of the hides and skins. [...] This is called "Drenching " the object of which is to cleanse the hides and the gas formed in the drench during fermenttion also opens up the pores of the hides and skins and thus helps to make the final leather soft. [...] Puering —This is the most important process in connetion with glace-kid manufacture because the softness of the final leather and the smoothness of the grain depend upon the satisfactory completion of this operation.li The skins are washed in 2 or 3 changes of water.
commerce industry
Pages
24
Published in
India
SARF Document ID
sarf.143405
Segment Pages Author Actions
Frontmatter
i-i unknown view
Preface
i-i D.B. Meek view
Chapter I. Hides and Skins
1-1 unknown view
Chapter II. Preservation and cure of hides and skins
1-2 unknown view
Chapter III. Operations preliminary to tanning
2-5 unknown view
Chapter IV. Tanning
5-7 unknown view
Chapter V.
7-8 unknown view
Chapter VI. Method of making a few important classes of leather from local hides and skins and utilising as far as possible local tanstuffs and other treatment materials.
8-17 unknown view

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