>>> Ready for dye, has been cleaned hydrated and fat liquored.
Sequence correction for Anilne-21
1. Hydrator-3.3
2. Aniline-21
3. Hydrator-3.3
4. Fatliquor-5.0
5. Hydrator-3.3
6. AnilineTop-21G
7. Protector-B+
>>> Looks more even and some color came back. How should we proceed now?
You may proceed with C. skip A. and B. from the below processing sequences.
General Sequence of Process for Smooth Aniline Leathers:
A. Topcoat Stripping & Degreasing:
A1. All smooth leather surface finishing is not stainable and recommended to be stripped with Stripper-2.3 to allow even dye penetration into the leather crust with this “staining” Aniline-21 dyestuff. The presence of body grease and oil will resist staining and will result in blotchiness will be likewise degreases with Degreaser-2.2 follows with rinsing with Rinse-3.0. Acidifier-2.0 is used to control bleeding instead especially those body contact areas.
B. Other Stains Removal:
B1. Stains are removed accordingly, otherwise the darkest stain will be the lightest color intensity to just able to camouflage it, especially with transparent dyestuff the beauty of the grain and the blemishes both equally will show through.
C. Pre-inspection and Surface Pre-Conditioning with Hydrator-3.3
C1. Staining of dye is done after a check with Hydrator-3.3 for any surface tension. The leather may be completely saturated out to check for any surface blotchiness especially on heavily stained or used areas. Allowing any suspended below surface soiling to resurface and reverse transfer using a stretchable paper towel proves practical rather then still remaining on the leather surface. Until the leather crust or grain surface is without any surface tension that may manifest as blotchiness that Aniline-21 application begins. A final light mist spray inspection confirms that blotchiness or unevenness will not occur prior to the actual dye application.
D. Stain Dyeing with Aniline-21.
D1. Staining can be applied with lint-free paper towel, plush, foam or high quality varnishing brushes; without surface contact airbrushing produces the best result. Fast dry with air blower and the surface is inspected for evenness or correction until satisfaction.
D2. Surface evenness is further corrected or improves with Hydrator-3.3 using a lint-free towel and work over the surface to remove surface wick-up residue thus eliminating surface tension if any. By a wiping a Hydrator-3.3 saturated towel improves the overall appearance, allowing the dyestuff to further redistribute itself over the leather crust or grain.
D3. Inspect during each drying cycle when working with Hydrator-3.3 for evenness correction, improvement or control.
E. Fatliquoring with Fatliquor-5.0
E1. The surface is light mist with Hydrator-3.3 prior to Fatliquor-5.0 application. Fatliquor-5.0 is simply apply with using a 3” foam brush, spreading it and distributing for even saturation absorption to the entire surface at one time. As the water content evaporates more is applied at each drying cycle until the desired suppleness for softness and strength, replenishing up to 14% of the original tannery standard as so desired for its intent purpose, usage or appearance.
F. Pre-Conditioning Fatliquored Surface with Hydrator-3.3.
F1. Any surface tacky residue is removed with Hydrator-3.3, horsehair Brush-1 and towel extracted to a squeaky clean surface, let dry and ready for topcoating.
G. Topcoating with Aniline-21G, Aniline-21S
G1. Aniline-21G (gloss) and Aniline-21S (satin) are inter-mixable developed for the standard gloss/satin aniline leathers. Satin may follow gloss for a luster adjustment. Application is done with varnishing brush or airbrushing. Minor surface roughness is corrected with 2000grit sanding in between dried application.
H. Non-Stick, Rub-Resistant Protection:
Use Protector-B+ for gloss and satin finish leathers.
>>> A few pictures of where we are now.
Still wet color test on deck, we will check tomorrow after completely dry.
Looks more even and spots are gone but still need a lot of color.
The above general sequence is for absorbent smooth leathers with no skin damages or roughness that needs repairs.
When minor skin roughness with AnilineTop-21G proves not satisfactorily and is corrected or repaired with Adhesor-73 the surface becomes “non-stainable” thus the use of Aniline-76 to coat over these blemishes areas. In such repairs the entire leather need to be feathered out using Aniline-76 thereafter follows with matching topcoat.
Note the difference sequence when using Anilne-76
General Sequence for Anilne-76
1. Degreaser-2.2 > Rinse-3.0 > Acidifier-2.0 > Hydrator-3.3 and relevant Stain Removal system.
2. Hydrator-3.3
3. Fatliquor-5.0
4. Hydrator-3.3
5. Adhesor-73
6. Aniline-76
7. AnilineTop-76G/S
8. Protector-B+
Roger Koh
Leather Care Consultant
[email protected]
www.LeatherDoctor.com