Phenolic and sulfonic syntans for retanning leather
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Stahl’s diverse phenolic and sulfonic syntans are low-formaldehyde retanning agents and are a responsible choice for retannages. The agents can be applied to a large variety of leathers. All our phenolic and sulfonic retanning syntans are part of our sustainable Stahl Neo® portfolio, which means that they comply with the ZDHC MRSL.
| Product |
Type |
Main features |
| Tanicor® AN | Condensation products of aromatic sulphonic | For retanning chrome-tanned leathers that are required for being dyed to full, brilliant shades. |
| Tanicor® AS | Sulphone tanning agent that contains aluminium | Particularly recommended for use on automotive leather & all types of corrected-grain leather. |
| Tanicor® DLE | Condensation product of aromatic sulphonic | Pronounced pigmenting action. To obtain leather & furs that are soft and full with a round handle & that can be dyed to very level, brilliant shades. |
| Tanicor® DLE liq | Condensation product of aromatic sulphonic | Pronounced pigmenting action. To obtain leather and furs that are soft and full with a round handle & that can be dyed to very level, brilliant shades. |
| Tanicor® DLX-N | Condensation product of sulphone and aromatic sulphonic acids | For wet white and as the sole tanning agent for fine leather such as reptile skins and skivers. White leather & dyed leather with a full, soft handle. |
| Tanicor® IS | Condensation product of organic sulphonic acids | Chrome-tanned retanning and tanning agent for chrome-free leather. Effective on automotive leather & upholstery leather. |
| Tanicor® MLB | Condensation product of sulphone and aromatic sulphonic acids | For milled leathers, high fastness & very fine, even break after milling. Dyeing with very level, intense shades. |
| Tanicor® MLB liq | Condensation product of sulphone and aromatic sulphonic acids | For milled leathers, high fastness & very fine, even break after milling. Dyeing with very level, intense shades. |
| Tanicor® N | Condensation product of aromatic sulphonic acids | Use for very soft, full handle & vegetable tannages to lighten the color and obtain a softer handle. |
| Tanicor® SW liq | Condensation product of sulphone and aromatic sulphonic acids | Pretanning and tanning agent for wet white, especially for automotive leather - Fine, tight grain and can be dyed to brilliant, level shades. |
| Tanicor® UR | Condensation product of sulphone and aromatic sulphonic acids | High level of fastness, free of formaldehyde. Gives well filled, soft leathers. |
| Tanicor® UT | Condensation product of sulphone and aromatic sulphonic acids | Imparts good fullness, a fine tight grain & pleasant handle. Clear & brilliant shades - Easy buffing. |
| Tanicor® XA | Condensation product of aromatic sulphonic acids | Pronounced pigmenting action. To obtain leathers that are soft and full with a round handle & that can be dyed to very level, brilliant shades. |
| Relugan® SLF | Condensation product of phenolsulfonic acid and organic nitrogenous | Mild neutralizing & dispersing action - Level shades without lightening colors - Easy buffing - Nubuck & Suede. |
| Syncotan® MRL liq | Replacement Syntan based on Phenol | Efficient sammying & shaving of all wet white - Soft leathers with fine, uniform milling pattern. |
| Tanicor® PWB-IN | Phenol based whitening syntan | Powerful whitening replacement syntan. |
| Tanicor® RS-31 liq | Retanning agent based on sulphone | Retanning of all automotive leathers, especially those based on mineral free or wet-white tannages. |
| Tanicor® SCU liq | Acidic retanning agent based on sulphone | High levels of filling along with excellent grain tightness. |
| Tanicor® SXP liq | Retanning agent based on sulphone | Retanning of chrome, vegetable and wet-white leathers where it promotes excellent filling and roundness. |
Our phenolic and sulfonic syntan product catalogue contains information on all Tanicor® retanning agents and their properties. You can download the catalogue at the bottom of this page.
Low-formaldehyde retanning with Tanicor®
Our Tanicor® portfolio includes a variety of low-formaldehyde synthetic retanning agents with high heat- and light-fastness properties. The formaldehyde reduction makes Tanicor® solutions an excellent choice for eco-friendly leather. The portfolio includes solutions for all leather types for different industries.
In particular, Tanicor® AS, Tanicor® IS and Tanicor® SW liquid are very suitable for retanning automotive leathers.
For specialty leathers, Tanicor® DLX-N is ideal for use with fine leathers, such as reptile skins and skivers. It has excellent heat- and light-fastness and bleaching properties, and gives a high degree of filling.
Versatile retanning with Tanicor®
Tanicor® SCU liquid is the recommended choice for tanners looking for excellent grain tightness and the high filling of chrome-free leathers. Other solutions include Tanicor® RS-31 liquid and Tanicor® PWB-IN. Stahl offers Tanicor® RS-31 liquid, a retanning agent based on sulfone, for retanning automotive leathers based on mineral free or wet-white tannages. Tanicor® PWB IN is a powerful whitening replacement syntan with high filling properties. It is suitable for leathers used in shoe upper and leather goods.
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