Product Overview
Leather Prep Cleaner 4.4 by Leather Doctor is a pH 4.4 solution for heavy soiling on pH-sensitive leather, Nubuck, and suede, ensuring safe, effective cleaning.
Prep 4.4 works on accumulated soiling, chewing gum, silicone shine, sticky residue, and greasy soiling.
Dye component of compound stains will require a follow-up with Dye 7.9 for such stains as ballpoint Ink, blue jean dye, crayon, leather belt, plastic Ink print, newsprint, stamp pad ink, etc.
Instruction:
1: Apply and work with a horsehair brush on heavily soiled areas
2: Before it dries, suspended soiling is towel extracted until it shows clean.
3: Cleaner 3.8 is applied over the cleaned area extended without a dry edge and extracted with a towel.
4: Rinse 3.0 rinses over the cleaned area without leaving a dry edge and towel extract to a healthy squeak.
5: Proceed with Hydrator 3.3.
6: Continue with Fatliquor 5.0.
7: Ends with Protector B.
People Also Ask:
1: What is Prep 4.4?
1.1: Prep 4.4 is the leather-safe milder version of Prep 7.7 for all leather types including the common Vachetta, Nubuck, suede, and Wet-White.
2: How does Prep 4.4 Work?
2.1: Prep 4.4 works by allowing sufficient dwell time to penetrate, lubricate, and suspend before towel extraction.
3: What is a Prep 4.4 Reverse-Transfer Technique?
3.1: Prep 4.4 reverse-transfer technique allows suspended stain during dwell time to wick and be absorbed through a stretchable absorbent towel and peeled off, rather than being reabsorbed by the leather.
4: How does Prep 4.4 work with Dye 7.9?
4.1: Prep 4.4 works as a pre-cleaner to remove the mixture of solvents and fatty acids paste component of ballpoint ink, leaving the remaining dyestuff to be further effectively removed with Dye 7.9.
5: How to Remove Prep 4.4 Sticky Residue?
5.1: Prep 4.4 sticky residue is removed with Cleaner 3.8 and pH balancing rinse with Rinse 3.0 as a holistic system.
6: What are the Related Products?
6.1: Degreaser 2.2 for degreasing body oil, grease, and sweat.
6.2: Acidifier 2.0 for neutralizing alkaline toxicity and overexposure tackiness.
Edited November 4, 2024, by Roger Koh.