产品详情
Tannic Acid(Technical grade)
Tannic Acid(Technical grade)

Tannic Acid (Technical grade)
Product source
Extract from Cecidum of Galla Chinensis.
Active ingredients
Tannic acid
Specifications
81%
Test method
UV
Appearance
Light-yellow powder
Particle size
80 mesh
Loss On Drying
9%
Ash
5%
Heavy metal
20ppm max
Pesticides
2ppm max
Total Plate
<1000CFU/g
Yeast&Mold
<100CFU/g
Salmonella
Negative
E.coli
Negative
Function
The product is widely use in smelting of germanium manufacture of "iron ink", metal corrosion resistance, slime treatment of petroleum drilling and raw material of pharmaceutical industry.
Storage
Store in cool & dry place. Keep away from strong light and heat.
Packing
25 kg / drum each piece is packed in a polybag, then in a carton.  
Shelf Life
2 years when properly stored
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