Tannin
extract series("Lingshui brand"
Phyllanthus emblica, Myrica rubra Tannin extract ,A mearnsii Tannin extract,Valonea Extract(cold soluble),Acacia mangium Willd tanninextract)
Product
quality has reached national Grade I standard. "Lingshui
brand" tannin extract has received "silver prize"
for its quality. It is the only tannin extract that has received
national quality prize in our country.
Main use:
1.Mainly used in tanning agent in leather-making industry,
which can make the leather soft in quality and color.
2.Anti-scaling agent in medium, small-scale boiler.
3.Treating compound for drilling fluid.
4.Ore flotation agent
5.Adhesive and accelerator for building board.
6. Used in metal preservative, antirusting agent. 7.Used in
waste water treatment and drug industry etc..
Main technical index:
No. |
Index
name/Kind |
Phyllanthus emblica,Myrica
rubra Tannin extract |
A mearnsii Tannin extract |
Valonea Extract
(cold soluble) |
Acacia mangium Willd tanninextract |
1 |
Tannin
% ≥ |
68 |
70 |
68 |
75 |
2 |
Non tannin
% ≤ |
28 |
26 |
30 |
21 |
3 |
Insoluble
substance % ≤ |
4 |
4 |
2.0 |
4 |
4 |
Loss on
drying % ≤ |
12 |
12 |
12 |
12 |
5 |
Deposition
% ≤ |
2 |
2 |
2 |
2 |
6 |
PH value |
4.5-5.5 |
4.5-5.5 |
3.5-4.2 |
4.5-5.5 |
7 |
Total colors
≤ |
12 |
8 |
14 |
8 |
The above products are packed in plastic woven bag, NW: 25K/bag. |