Product Overview
Leather Prep-4.4 by Leather Doctor is a pH 4.4 water-based, heavy-duty prep cleaner that works on greasy and oily stains for pH-sensitive leathers and suede.
People Also Ask:
What is Prep-4.4?
Prep-4.4 is the leather-safe milder version of Prep-7.7 for all leather types including the common Vachetta, Nubuck, suede, wet-white, and all aniline leather types.
How Prep-4.4 Works?
Prep-4.4 works by allowing sufficient dwell time to penetrate, lubricate, and suspense prior to towel extraction.
What is a Prep-4.4 Reverse-Transfer Technique?
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 instead.
How does Prep-4.4 work with Dye Remover-7.9?
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 easily removed with Leather Dye Remover-7.9 effectively.
How to Remove Prep-4.4 Sticky Residue?
Prep-4.4 sticky residue is removed with Cleaner-3.8 and neutralizing rinse with Rinse-3.0 as a holistic system.
What Stain does Prep-4.4 Works?
Prep-4.4 works on accumulated soiling, chewing gum, silicone shine, sticky label residue, etc.
What Stain does Prep-4.4 need Dye Remover-7.9 to Work?
The dye component of compound stains remaining will require an effective follow-up dye removal with Dye Remover-7.9 for such stains as ballpoint Ink, blue jean dye, crayon, leather belt, plastic Ink print, marker, newsprint, stamp pad ink, etc.
