Maleic anhydride retanning agent MT-R604 Anionic

Appearance: light yellow viscous liquid

Main use: suitable for retanning of all kinds of chrome tanned leather, and can be used for retanning of split suede leather after fatliquoring.

Usage and dosage:

Neutralization filling: 3.0-6.0%

Filling after neutralization: 3.0-5.0%

Filling after fatliquoring: 2.0-3.0%

Performance characteristics:

1. Used in the same bath with neutralized tannin, it has strong filling properties and has obvious foaming effect when used in the pH range of 4.5 to 5.5.

2. It has a strong filling effect on loose parts, reduces the difference in parts, and is used for split suede leather. 3. It can make the edges and abdomen get better filling and the pile is uniform.

4. Used after fatliquoring, it helps the absorption of fatliquoring agent and has better softness.

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