Gambir extract

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Gambir extract
Posting date : Nov 26, 2012
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30-
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Gambir extract Botanical name: Uncaria gambir Tanning classification: Pyrocatechin tanning material (Phlobaphen former) Part Used: Leaf Extract Method: Grain Alcohol/Water Appearance: yellow brown powder Active Ingredient: Catechins CAS No.: 84650-60-2 Specification (all values according to the filter method): powder Catechins content: 20% Specifications: 60:1 Test Method: TLC * 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, 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. * Valid period: 24 months with original packing under 18℃ Packaging: 1kg, 5kg, 10kg aluminum foil vacuum bag; or 20kg, 25kgFiber Drum Storage: Store in cool dry place, avoid sunlight and high temperature.

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