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Oak Bowl Extract Tannic Acid Leather Tanning Chemicals
Product Details:
Payment & Shipping Terms:
| Minimum Order Quantity: | 25kg |
|---|---|
| Price: | 60~70USD |
| 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 of Oak Bowl Tannin Extract for Leather Tanning:
Oak bowl tannin extract, derived from oak trees, contains tannins, which are known for their astringent properties. Tannins bind to and precipitate proteins, a characteristic that is valuable in tanning hides into leather.
Active Ingredients in Oak Bowl Tannin Extract:
The active ingredients in oak bowl tannin extract include polyphenolic compounds like gallic acid, ellagic acid, and other tannins specific to oak trees. These compounds contribute to the tannin extract's properties, such as its astringency and ability to tan leather effectively.
Uses of Oak Bowl Tannin Extract for Leather Tanning:
Tanning Leather: Oak bowl tannin extract is commonly used in the leather industry for tanning hides, transforming raw animal skins into durable and usable leather products.
Quality of Leather: The use of oak bowl tannin extract can influence the texture, color, and durability of the leather produced, providing specific characteristics based on the tannins present in the extract.