Cutch Extract

Listing ID #798965

We are offering cutch extract.
[vegetable based leather tanning material]
catechu extract is obtained from heart wood of acacia catechu tree found in india. Cutch extract contains catechol type of tannins.
products
1) ce block ( 25 kg block with 51 to 60 % tannins)
2) ce powder ( pulverized powder with51 to 60 % tannins)
specifications
appearance: light to dark brown blocks and free flowing powder
moisture max: 10 to 13.0%
tannins min.:52.0% -- 60 %
non tannins : 20 –30 %
insoluble: 2 to 5 %
solubles: 83 to 90 %
ph 10% solution: 4.00 to 4.5
attributes –
1) it is catechol type (condesed) tanning material
2) it bears high acidity
3) it is more astringent penetrates fast may be used for primary tanning
4) it can be alternative for mimosa or queberacho
5) it yields dark colour brownish to reddish leather.
tanning properties—
1) it is catechol type tanning material can be recommended for primary tanning
2) it is having high tannin non tannin ratio.
3) it penetrates faster & better
4) it is more astringent & dark in colour. It yields brown colour leather
5) for heavy leather it can replaced with mimosa or queberacho or can be blend with wattle
6) it gives excellent fastness to leather & protects from mildew attack
7) it given protection to leather against water & salts.
8) cutch tannin is most suitable for heavy leather, sole leather, leather utilized in salty water conditions
dying application—
it is widely used in tanning and dying of leather because of its fast, standardized and settled results.
it produces brown and olive hues with different mordant. It has resistance property to mildew attack.