Fatty aldehyde condensate
It can be used as a retanning agent before or after neutralization. It can impart good softness to the leather, uniform body, grain surface and clear grain. Compared with common resin tanning agents, it can impart excellent dyeing properties to leather, and has good light resistance, especially suitable for retanning of white and colored leather. Even if the dosage is large, it will not cause the leather surface to be hard, and the hand feels soft and natural. It is more suitable for suede, clothing, sofa, full grain Napa and other style leather. Good compatibility with other anionic materials.
Appearance Light yellow or colorless transparent aqueous solution without any pungent odor
Effective (%) 40±2
pH (10% aqueous solution) 4.0-6.0
The main retanning dosage is 2-3%, and the neutralization and fatliquoring process is 1-2%.
Packaging and transportation
Packed in 150Kg plastic drums, non-dangerous goods, to prevent exposure or freezing. The storage period is one year.