Specification :

Product: Gambier-extract
Botanical name: Uncaria gambier
Tanning classification
Pyrocatechin tanning material (Phlobaphen former)

Specification (all values according to the filter method)
powder
catechins content: 20%

insolubles % 12.0
humidity % 12.0
dry matters % -
non tanning content % 17.0
Density (° Bé) -
pH (6.9° Bé) 4.6 +/- 0.3
ash % 4.5

Description
Gambir extract is a tanning agent extracted from the leaves of the Uncaria Gambir plant, which comes from Asia and only grows approximately 10° north or south of the equator line. The plant, which grows as a wild bush, can also be cultivated. The Gambir extract is won from the leaves, partly without the branches by extraction with water at a temperature of 85-90°C and evaporation. The powder is then made by the spray-dry method.

Application
By using Gambir extract only, a very soft leather can be obtained, particularly in the re-tanning of calf-leather. However, Gambir extract is also used for the re-tanning of chrome-tanned glove leather, with a remarkable fullness of the leather as well as softness and elasticity.
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Chan gsha Nutramax Inc
Ms.Windy
FDA Registration Number:15970949816
Add: F25, Jiahege Building, 217 Wanjiali Road, Changsha, China 410016
Telephone: 0086-731-2939656
Fax number: 0086-731-2938822
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E-mail:huping@nutra-max.com
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