Leather Prep Cleaner 7.7

Leather Prep Cleaner 7.7 by Leather Doctor is a pH 7.7 mild alkaline preparatory cleaner designed for non-absorbent leathers as part of a leather-safe cleaning and rinsing system that ensures proper pH balancing (3-5) to maintain leather integrity.

Key Features & Benefits:

• ✔ Deep Penetration & Lubrication – Effectively breaks down accumulative soiling without excessive agitation
• ✔ Safe for Non-Absorbent Leathers – Designed for coated leathers where deep absorption is not required
• ✔ pH-Balanced System – Works holistically with Cleaner 3.8 and Rinse 3.0 to restore leather’s pH balance
• ✔ Tackiness Rectification – Acidifier 2.0 effectively neutralizes previous alkaline overexposure, restoring a healthy, squeaky feel

Recommended Cleaning Process:

• 1️⃣ Apply Prep 7.7 – Allow dwell time for deep penetration and soil suspension
• 2️⃣ Follow with Cleaner 3.8 – Removes sticky residue and emulsified soiling
• 3️⃣ Neutralize with Rinse 3.0 – Restores pH balance for a healthy, residue-free finish
• 4️⃣ Use Acidifier 2.0 (if needed) – Corrects tackiness caused by alkaline overexposure

This non-aggressive yet powerful cleaner preps leather surfaces for optimal maintenance and refinishing.

Instruction:

1. Prep 7.7 is applied and spread with a foam brush and agitate in a circular motion with a horsehair brush and towel extract until the towel shows clean.
2. Cleaner 3.8 is applied and work in a circular motion and towel extract suspended soiling until the towel shows clean.
3. Rinse 3.0 is applied, work in a circular motion, and towel extract until it shows clean to a healthy squeaky feel.
4. Acidifier 2.0 a strong pH balancer is an option to achieve a healthy, squeaky feel.
5. Protector B completes the restorative cleaning with a nonstick rub-resistant buttery feel condition.

People Also Ask:

1. How Reverse Transfer Technique Works with Prep 7.7?
2. How does Prep 7.7 work with Dye 7.9 in Ballpoint Ink Removal?
3. How to Remove Prep 7.7 Sticky Residue?
4. What Stain Does Prep 7.7 Work?
5. What Stain does Prep 7.7 need Dye 7.9 to continue Working?

• The reverse transfer technique allows suspended soiling to wick through a tight, absorbent, stretchable paper towel and be peeled off.

2 How does Prep 7.7 work with Dye 7.9 in Ballpoint Ink Removal?

• Prep 7.7 works to remove the mixture of solvents and fatty acids paste component of ballpoint ink, leaving the dyestuff to further easily remove with Dye 7.9 effectively.

3 How to Remove Prep 7.7 Sticky Residue?

• Prep 7.7 sticky residue is removed with Cleaner 3.8 and pH balancing rinse with Rinse 3.0 as a holistic system.

4 What Stain Does Prep 7.7 Work?

• Prep 7.7 works on accumulated soiling, chewing gum, silicone shine, sticky label residue, etc.

5 What Stain does Prep 7.7 need Dye 7.9 to continue Working?

• The dye component of compound stains will require an effective follow-up dye removal with Dye 7.9, such as ballpoint Ink, blue jean dye, crayon, leather belt, plastic Ink print, marker, newsprint, stamp pad ink, etc.

Updated: March 19, 2025 by Roger Koh.