Tannin gallnut extr...

Tannin gallnut extract tannic acid

Tannin gallnut extract tannic acid

Min.Order / FOB Price:Get Latest Price

1000 Kilogram

Negotiable

  • Min.Order :1000 Kilogram
  • Purity: 81.5
  • Payment Terms : L/C,T/T

Keywords

Tannins Tannic Acid tannin

Quick Details

  • Appearance:Yellow or light brown light without crystal powder
  • Application:1.Tannin for medicine has the antiseptic, enzyme-eliminating and convergent effects. 2.Tannin as antibiotics to treating tinea, eliminating toxic substances and stopping diarrhea etc.
  • PackAge:25kg/bag
  • ProductionCapacity:|Metric Ton|Day
  • Storage:Store in cool & dry place, keep away from strong light and heat.
  • Transportation:by sea

Superiority:

Factory Price High Quality Pure Tannin Powder, Tannin, Tannic Acid, Tannins

Yellow or light brown light without crystal powder ; Odourless, has a special odor, very acerbity. Soluble in water and ethanol, soluble in glycerin, hardly soluble in ether, chloroform and benzene. Its aqueous solution and ferric salt solution meet blue-black, add sodium sulfite can delay the discoloration. In industry, tannic acid is widely used in tanning and manufacturing blue ink. Tannic acid can make protein coagulation. People put the pig skin, cowhide chemical treatment with tannic acid, can make the rawhide soluble protein in the set. So, had put a few days will smells rotten raw hides, turned into a beautiful, clean, flexible, durable leather. This kind of leather making process, called leather tanning.

 

Details:

Factory Price High Quality Pure Tannin Powder,Tannic Acid, Tannins

Yellow or light brown light without crystal powder ; Odourless, has a special odor, very acerbity. Soluble in water and ethanol, soluble in glycerin, hardly soluble in ether, chloroform and benzene. Its aqueous solution and ferric salt solution meet blue-black, add sodium sulfite can delay the discoloration. In industry, tannic acid is widely used in tanning and manufacturing blue ink. Tannic acid can make protein coagulation. People put the pig skin, cowhide chemical treatment with tannic acid, can make the rawhide soluble protein in the set. So, had put a few days will smells rotten raw hides, turned into a beautiful, clean, flexible, durable leather. This kind of leather making process, called leather tanning

Function:
1.Tannin for medicine has the antiseptic, enzyme-eliminating and convergent effects. 
2.Tannin as antibiotics to treating tinea, eliminating toxic substances and stopping diarrhea etc.
 
Test                  Specification              Test Result             

 

Appearance               Light Yellow or                      Pass       

                         Light Brown powder

Solid Content(%)              ≧ 81.0                         81.50

Drying Loss(%)               ≦ 9.0                           8.0

Insoluble (%)                 ≦ 0.6                           0.20

Color                        ≦ 2.0                           1.3

 

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