High-Performance Resin Retanning Agent for Enhanced Filling and Leather Compactness

Rockytan RR7 is an anionic resin tanning agent specially developed to provide selective filling and improved leather compactness. Its unique formulation delivers excellent filling properties, particularly in loose areas such as bellies and flanks, making it suitable for a wide range of leather articles.

Rockytan RR7 enhances the physical characteristics of leather by improving buffing behavior, embossing quality, and finishing performance, resulting in a fuller and more uniform final product.

Key Features & Benefits:

• Excellent selective filling effect.
• Particularly effective on loose leather areas such as bellies and flanks.
• Suitable for all types of leather.
• Improves leather compactness and body.
• Enhances buffing and embossing properties.
• Provides excellent finishing response.
• Promotes a more uniform leather structure.
• Easy-to-use powder formulation with excellent process compatibility.

Product Description:

Rockytan RR7 is a premium resin retanning agent designed to improve leather fullness and structure without adversely affecting softness. Its selective filling action targets weaker and looser sections of the hide, helping manufacturers achieve better leather consistency and higher-quality finished products.

The product is especially beneficial in leather articles that require improved grain tightness, enhanced embossing definition, and excellent finishing characteristics.

Due to its balanced filling properties, Rockytan RR7 can be incorporated into retanning formulations for footwear, upholstery, leather goods, garment, and other specialty leathers.

Technical Specifications

Applications:

Rockytan RR7 is recommended for:

• Shoe upper leather
• Upholstery leather
• Leather goods
• Garment leather
• Bag leather
• Automotive leather
• Chrome-tanned leather
• Corrected-grain leather
• Embossed leather articles

It is particularly suitable for leather requiring:

• Improved fullness and body
• Better grain tightness
• Enhanced embossing performance
• Superior buffing properties
• Excellent finishing response

Recommended Usage:

Rockytan RR7 is generally applied after neutralization and dyeing during the retanning process.

Recommended dosage:

2–4% based on shaved weight, depending on the type of leather and the desired filling effect.

The optimum dosage may vary according to the leather article, processing conditions, and final performance requirements.

Performance Advantages:

Selective Filling Action

Rockytan RR7 provides targeted filling in loose and empty areas of the hide, especially in bellies and flanks, helping to create a more compact and uniform leather structure.

Improved Buffing and Embossing

The product enhances the leather surface, resulting in cleaner buffing, sharper embossing patterns, and improved mechanical processing.

Better Finishing Properties

Leather treated with Rockytan RR7 responds favorably to finishing operations, contributing to improved appearance, coating adhesion, and overall product quality.

Storage and Handling:

Store Rockytan RR7 in tightly sealed original packaging under suitable warehouse conditions.

Recommended storage conditions:

• Storage temperature: 5°C–25°C
• Protect from direct sunlight.
• Avoid freezing.
• Keep containers tightly closed to prevent moisture absorption.

Please consult the Material Safety Data Sheet (MSDS) before handling or using the product.