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Pure Natural Oak Bowl Tannin Extract For Leather Tanning
Product Details:
Payment & Shipping Terms:
| Minimum Order Quantity: | 25kg |
|---|---|
| Price: | 60~80USD |
| Packaging Details: | 25kg/barrel |
| Delivery Time: | 7-10days |
| Payment Terms: | L/C,T/T,Western Union,MoneyGram |
| Supply Ability: | 1000T |
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Detail Information |
Product Description
Quality indicators
| index | unit | Cold melt | Hot melt |
| Tannin | ％ | ≧67 | ≧71 |
| Non-tannin | ％ | ≦30 | ≦26 |
| Insoluble matter | ％ | ≦2.5 | ≦3.5 |
| Water content | ％ | ≦12 | ≦12 |
Principle:
Tannin extract is derived from plants and is known for its astringent properties.
Tannins are polyphenolic compounds that bind to and precipitate proteins, which gives them their characteristic ability to tan animal hides into leather.
Use:
Tannin extract has a wide range of uses, including:
Tanning leather
Dyeing fabrics
Brewing beer and wine
Clarifying wine
Stabilizing and improving the taste of beer
Health and medicinal purposes
Active Ingredients:
The active ingredients in tannin extract are various polyphenolic compounds, including:
Gallic acid
Ellagic acid
Catechins
Epicatechins
These compounds contribute to the beneficial properties of tannin extract, such as antioxidant and astringent effects.
Other Information:
Tannin extract is commonly sourced from plants like oak, chestnut, quebracho, and tara.
It is used in traditional medicine for its anti-inflammatory and antioxidant properties.
Tannin extract is also used in the cosmetic industry for its astringent properties.