Tanning & Retanning

Nonpolluting tanning agent which can efficiently eliminate Basic Chromium Sulphate with great ease. SERTAN WT is compatible with other anionic synthetic, natural tanning and retanning agents. It is highly recommended in the manufacturing of all types of chrome free and wet white leathers. Combinate with vegetable tanning extracts, resultant leather indicates extra softness with increased fullness without altering vegetable character. SERTAN WT can be effectively used in salt free tanning system. It induced excellent plumping effect in the hides which results into efficient splitting and shaving. It imparts excellent filling effect in the loose parts of the hide which can minimize usage of polymers and resins. It also eliminates usage of Glutaraldehyde based tanning agents. Leather tanned with SERTAN WT possesses outstanding dyeing ability with brilliant dyeing affect. It has low specific gravity and the same can be also used in the manufacturing of very soft articles.

Resin on melamine base. Pre-tanning and tanning agent for all kind of leathers, specially for Wet-white, vegetable tanning and napa garments and shoes. Very good for tight grain. Improves adhesion, compaction and elasticity fibers. Special to get closer structure and short plush.

Excellent retanning and filler properties through all parts of the skin, achieving maximum uniformity. Depending on the selected type of product and the quantity, we will get more compact, fuller or more hardened leathers. It consolidates the structure of the fiber, obtaining firmer and softer grain. It improves the intensity and eveness of dyes. It is soluble in hot water at 40-45ºC and its components are 100% of natural origin, formaldehyde free and 100% biodegradable.

Whitening. Used to fill and compact the empty and frayed structures of the leather, giving good fullness in flanks and bellies.

Product with dispersant properties. Permitting an excellent dispersion and penetration of dyestuff and vegetal extracts. Penetrated and even tinctures are obtained. Based on natural source products. 0% Formaldehyde. 0% Bisulphone. Containing no products from petrol or any other banded product. The product is biodegradable, compostable and non-ecotoxic.

Based on bio-polymers as alternative to conventional resins melamine.
Used to fill and compact the empty and frayed structures of the leather, giving good fullness in flanks and bellies. Improves adhesion, elasticity, fibre compaction and buffing. Special for white leathers. Suitable to avoid grain looseness in the leather to be milled.
Special for white leathers. The product is 100% natural, biodegradable and formaldehyde free (0%).

Biopolymer as alternative to conventional resins such as dicyandiamide. It provides high fixation and fibers compactation.

Auxiliary in wet white tanning process in combination with SERTAN WT. Thanks to its tamponated powder helps to the dispersion and fixation of the tanning agent in the leather. Full and homogeneous leathers are obtained with high shrinkage temperature, giving a good shaving. It can be used as a formic acid substitute. Strong lime solubilizer, ideal for deliming. Fixation and precipitation of anionic dyes, fatliquors and retanning agents. Serfix AF is a powder product that have less risk at handling due its solid crystalline form. Odourless and less corrosive than formic acid in contact with the skin.