Rockytan RE-808 – Acrylic Retanning Agent for Full Chrome Leather

Rockytan RE-808 is a high-performance acrylic retanning agent specially developed for full chrome leathers. Thanks to its excellent compatibility with synthetic tanning agents, vegetable tannins, fatliquors, anionic dyes, and other leather auxiliaries, it can be easily incorporated into a wide range of retanning formulations.

Rockytan RE-808 provides excellent filling properties, particularly in the loose flanks and belly areas of hides and skins, resulting in fuller, softer, and more uniform leather. In addition, it improves grain tightness and enhances the gloss and smoothness of leather after vacuum drying.

Key Features and Benefits:

• Specially designed for full chrome leathers.
• Excellent filling action in loose belly and flank areas.
• Produces soft, full, and compact leather.
• Compatible with synthetic and vegetable tanning agents.
• Works effectively with fatliquors and anionic dyes.
• Improves grain tightness and surface smoothness.
• Enhances gloss after vacuum drying.
• Helps fix dyes and auxiliary chemicals.
• Easily soluble in water.

Technical Specifications

Applications in Leather Processing:

Rockytan RE-808 is developed for use during the retanning stage of chrome-tanned leather production. Its acrylic polymer structure penetrates deeply into the leather fibers, improving fullness and helping to achieve a finer grain structure.

Recommended applications:

• Full chrome leather.
• Footwear leather.
• Upholstery leather.
• Garment leather.
• Leather goods and accessories.
• Soft leather articles.
• Retanning of bovine hides and small skins.

Rockytan RE-808 is frequently used together with other Rockytan retanning agents to achieve the desired combination of softness, fullness, and grain quality.

Performance Advantages:

Excellent Filling Effect

Rockytan RE-808 effectively fills loose flanks and belly areas, resulting in more compact and uniform leather.

Improved Grain Quality

When applied before vacuum drying, small amounts of Rockytan RE-808 help create a fine, smooth, and glossy grain surface.

Enhanced Chemical Fixation

The product improves the fixation of dyes, fatliquors, and other retanning chemicals, contributing to better processing efficiency.

High Compatibility

Rockytan RE-808 is compatible with:

• Synthetic tanning agents.
• Vegetable tanning agents.
• Fatliquors.
• Anionic dyes.
• Other leather auxiliaries.

Recommended Application:

For optimum results, leather should be thoroughly neutralized before retanning.

Typical application after neutralization:

Application after main fatliquoring:

Recommended dosage:

The dosage depends on the leather type and final article and generally ranges between:

2–3% based on shaved leather weight.

Laboratory and production trials are recommended to optimize the formulation.

Why Choose Rockytan RE-808?

Rockytan RE-808 combines excellent filling properties with superior compatibility and grain enhancement. Its acrylic technology helps leather manufacturers produce softer, fuller, and more uniform leather while improving gloss and chemical fixation.

Whether used for footwear, upholstery, or garment leather, Rockytan RE-808 provides reliable performance and consistent quality.

Packaging:

Rockytan RE-808 is available in:

• 200 kg polyethylene (PE) drums.
• 1000 kg IBC tanks.

Custom packaging options may be available upon request.

Storage Conditions:

To maintain product quality and stability:

• Store in tightly sealed containers.
• Keep at temperatures between 5°C and 25°C.
• Protect from direct sunlight and freezing.
• Prevent water evaporation and skin formation.

Under recommended storage conditions, Rockytan RE-808 has a shelf life of 12 months.

Always consult the Material Safety Data Sheet (MSDS) before use.