- Protein filler Properties: Has a good filling effect for leather, even for the belly part, can enhance the tightness of grain, not affact the dyeing. It can obtain full and soft feeling, can obtain good light fastness leather with flat, tight grain and excellent buffing ability. Main application: Used for retanning.
- Animal protein filler Properties: Easy to combine with fibers, good filling action, thicker. Easy to dissolve, convenient to use. Good fullness and soft handle. Level dyeing with full intense shades. Main application: Used for retanning.
- Amphoteric tannin Properties: To obtain brilliant color and good tightness without loose grain. Excellent softness and light fastness, to maintain the flat grain. Main application: Used for retanning.
- Neutralizing agent Properties: Obtains tight and fine grain, imparts leather with good fullness and elastic. Excellent light fastness. In dyeing, can buff the reation of dyestuff and inner cationic ions, obtain uniform, dispersion and penetration effect. Main application: Used for neutralizing and dyeing auxiliary.
- Replacement tannin Properties: Impart excellent softness, and improves the tightness of grain. It has meduim bleaching effect for chrome leather. Due to its uniform dyeing ability, suitable for pastel shade leahter. Low astringency, has good dispersing effect, can improve other tanning agents with the uniform penetration, and maintains tight and fine grain. Has a certain buffer effcet and medium filling ability. Used with good filling resin tanning agent, can obtain soft and full leather. Applied for vegetable tanned leather, can accelate the penetration, dispersion and absorbsion, prevent the precipitation of tanning solution. Main application: Used for retanning.
- Cyanamide dimer tannin Properties: Has a selective filling effect, mainly fill the loose structure of leather. Enhance the fullness of leather and tightness of grain, keeps good characteristics of chrome tanned leather. Imparts good buffing ability, advantages for the adhesion of finishing and embossed ability. Outstanding aging resistance. Main application: Used for retanning.
- Environment-friendly resin tannin Properties: Low free formaldehye and low convergence, has a special selective filling effect for the loose structure of leather. Obtains round feeling for the loose structure, and maintain fine grain for the tight structure. Non-bleaching effect, good buffing ability for suede, and obtain clean and brilliant shade. High light fastness, suitable for white leather and pastel shade leather. Main application: Used for retanning.
- Environment-friendly resin tannin Properties: Excellent filling action，low free formaldehyde content. Improve tightness of leather, get fine grain after re-tanning. Makes leather with very good buffing and embossing properties. Excellent light fastness, can be used on white or light color leather. Main application: Used for retanning.
- Environment-friendly resin tannin Properties: Excellent filling action，low free formaldehyde content. Makes leather with full and soft handle, keeps the grain tight and fine. Excellent light fastness, can be used on white or light color leather. Main application: Used for retanning.
- Environment-friendly resin tannin Properties: Keep nature grain with good fullness and tightness. With excellent filling action，especially on loose part, makes leather full and tight. Level dyeing with good fastness. Very good buffing and embossing properties Main application: Used for retanning.
- Aliphatic aldehyde tannin Properties: Free of formaldehye. Stable to electrolyte. Excellent softness and high light fastness, fine and clear grain. Main application: Used for retanning.
- Aluminum tanning agent Properties: Excellent light fastness. Produce smooth, fine, tight and pliable grain handle. Excellent filling effect, obtains short and fine fur for suede. Improve the combination of dyestuff and fatliquors. Greatly improve the dyeing brilliance and color saturation, enhances the deepth of dyeing. Main application: Used for tanning, retanning and fixation after dyeing.
