___We are a leading manufacturer and supplier of Tannic Acid in China. We have been exporting our following products to Japan, EU and USA since 1996.We can supply Tannic Acid in powder or in inflated powder.
[Tannic Acid For Industrial Uses]
Other names: Tannin, Chinese gall tannic acid.
Properties :Light yellow to light brown powder, with a peculiar smell and taste very astringent;
Specifications: Comply with China national standard of GB5308-85.
Technical Data:
content of tannic acid >= 81%
weight loss after desiccation <=9%
insoluble materials in water <=0.6%
total color <=2.0
Usage: For the extraction of germanium, the production of ink ,rust prevented of metals,and mud treated in petroleum drilling, and as raw material for pharmaceutical industry.
Storage: Keep in airtight containers.
Package: In plastic bags,N.W. 25kg/bag.
[Tannic Acid For Dyestuff]
Properties: Light yellow to light brown powder, with a peculiar smell and taste very astringent; soluble in a portion of water or alcohol, as well as inacetonelin soluble in chloroform or ether.
Technical Data:
weight loss after desiccation <=10%
state in water below micro etch
light absorption > 420
content of gallic acid < 7%
total color <=1.0
Usage: In printing and dyeing of textiles ,it is used as color fixer, polygenetic dye and fiber deodorizer.
Storage: Keep in airtight containers.
Package: In plastic bags, N.W. 25kg/bag.
[Tannic Acid For Medical Use]
Other names: Tannin, Chinese gall tannic acid.
Properties: Light yellow to light brown powder, with a peculiar smell and taste very astringent;
Specifications: Comply with the British Pharmacopoeia(Ver. 1999) and the U.S. pharmacopoeia(Ver. 2004).
Technical Data:
content of tannic >= 86%
insoluble materials <=0.2%
weight loss after desiccation <=9%
clearness of water up to standard
tree gum or dextrin up to standard
burn remains <=0.2%
content of gallic acid < 7%
Usage: For the preparations of antibiotics, treating tinea, clearing toxic material and stop dysentery, and also for synthesizing sulphanilamide synergist.
Storage:Keep in dark place and in airtight containers.
Package:In plastic bags,N.W. 25kg/bag;In bottles:500g/bottle or 250g/bottle.
[Tannic Acid For Food]
Other names: Tannin, Chinese gall tannic acid.
Properties: Light yellow to light brown powder, with a peculiar smell and taste very astringent.
Technical Data:
weight loss after desiccation <=9%
content of tannic >= 86%
burn remains <=0.2%
arsenic < 3PPm
heavy metal < 0.004%
insoluble materials <=0.2%
tree gum or dextrin test up to standard
resin test up to standard
Usage: As the antioxidant and antiseptic for foods, clearer for beverages and wines, and decolorant for soy sauce.
Storage: Keep in dark place and in airtight containers.
Package:I n plastic bags, N.W. 25kg/bag;In bottles:500g/bottle or 250g/bottle.
[Tannic Acid For Brewage]
Other names: Tannin, Chinese gall tannic acid.
Properties: Light yellow powder, with a peculiar smell and taste very astringent.
Technical Data:
weight loss after desiccation <=9%
content of tannic >= 96%
burn remains <=0.2%
arsenic < 3PPm
heavy metal < 0.004%
insoluble materials <=0.2%
tree gum or dextrin test up to standard
resin test up to standard
Usage: As the antioxidant and antiseptic for foods, clearer for beer, beverages and wines, and decolorant for soy sauce.
Storage: Keep in dark place and in airtight containers.
Package:In Box : N.W. 25kg/box;In bottles:500g/bottle or 250g/bottle.