Introduction:
Appearance: brown-red liquid
Main use: Mainly used for retanning of various types of light leather, and can also be used for rewetting of blue wet leather that is difficult to rewet, especially the rewetting of blue plate leather for making waterproof leather.
Usage and dosage:
Rewetting: 1.0-2.0%
Retanning: 1.0-3.0%
Performance characteristics:
1. Stable in the acidic and weakly alkaline range, with tanning effect.
2. Before chrome retanning, the leather body is soft, plump, and the grain is flat and fine; after chrome retanning, it can enhance the absorption of chrome, and the dyeing is more uniform and bright.
3. After pretanning, the tanning agent can be evenly penetrated and tanned, and it is firmly combined with the leather fiber, which can improve the tensile strength and tear strength to a certain extent, and at the same time improve the sweat resistance of the leather.
4. It has a dispersing effect on natural oils and fats, has good softness, and is recommended for light and soft leather.
