dhawa ( country sumac, Indian sumac )
A tree (Anogeissus latifolia) common to many parts
of India, the leaves of which yield a tannin used
in that country. The tannin content of the leaves
varies considerably, ranging from less than 30% to
more than 50%, depending on the age of the trees
when the leaves are gathered. The proportion of
soluble non-tans is 10 to 13%. Dhawa is considered
to be well suited for the tanning of light
leathers, giving a soft leather of a light color
and firm texture. Dhawa is also the source of GHATTI GUM , See
also: VEGETABLE
TANNINS .
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