Leather sofa repair and color renovation

Leather sofa repair and color renovation
Leather sofas: Most of them are cleaning and maintenance, but they can’t deal with the scratches and wear of leather sofas, cigarette butt burns, and cross-coloring;
The following is an explanation of the technical operation process for quick repair and maintenance of automobile leather sofas. Quick repair and quick maintenance of leather sofa requires a series of products and tools such as leather sofa cleaning agent, repair paste, coloring paste, spray gun, sponge, sandpaper, etc. It is recommended to choose the “Stark Series” leather sofa repair kit, which contains Restoration products and tools, more importantly, are water-based and environmentally friendly, and have no odor, especially after restoration, they have strong color fastness. It is said that they can withstand 100,000 frictions, and the price is very high. Go straight to the tutorial.
Leather sofa glossy leather quick repair and quick maintenance technical tutorial:

1. Remove the film: first use 400-mesh sandpaper to polish, then use 600-mesh, 800-mesh sandpaper to polish the leather surface, and then use a bath towel to dip in 95-degree alcohol to remove the film, or use a release agent to remove the fixed layer of the peeled sofa ( The protective layer);
2. Clean the surface: use a brush to dip in the leather sofa cleaning agent to scrub the leather surface thoroughly, thoroughly remove the stains and residual solvents, and dry;
3. Wound repair: If you need to repair the wound, choose the corresponding repair cream, use a patch knife to take a little repair cream to fill the wound, blow dry or dry it naturally (quick-dry repair cream can be polished after 3 minutes of drying with a hair dryer). Then use 600 mesh-800 mesh-1000 mesh sandpaper to gently polish the repaired area;
If there is a crack, choose PU repair cream to repair the wound;
If softness is required, you can first scrape the PU wound repair paste on the worn part and dry it with an electric oven, then scrape the high-efficiency wound repair paste, scrape layer by layer, scrape one layer and blow dry one layer until you are satisfied;

Make striae: There must be no striae at the place where the wound is mended, and the repaired area is a scar without striae, which looks unsightly, so it needs to make corresponding striae; there are many ways to make striae; let’s introduce it below Embossed skin.
Embossed skin: If you need to emboss the skin, use the skin texture template copy paste to make a skin texture template on the surface of the original leather, and use the finished skin texture template to emboss the skin texture when the top 7 parts of the repaired part are dry;
4. Sealing: Dilute the aniline sealer 1:1 with water and spray it twice,
5. Coloring: coloring formula (1)
Note: If you need better softness, you can adjust it according to the following formula
High fineness pigment paste 1 part
0.1 parts of multifunctional softener (note: if you need better softness, add it)
Leather sofa thinner 3 parts
4-5 drops of cross-linking agent
Appropriate amount of water (note: no more than a quarter of the self-fixing nano-color paste, too much water will affect the color fastness)
Note: Filter through the filter after stirring. If there is wear and tear, part of the color paste can be separated, add repair paste (spray) and stir well, and then brush it with a sponge or brush, and then spray the original color paste.
Note: If you need to change the color, brush the color changing agent that needs to be changed once before applying the color. Such as: Brown needs to be changed to black, just brush the black color changing agent once.

Coloring formula (2)
Self-fixing nano color paste 1 part
0.1 parts of multifunctional softener (note: if you need better softness, add it)
Cross-linking agent 3%
Appropriate amount of water (no more than 1 part)
7. Fixing: After the color is dry, select the corresponding fixation and spray directly;
Leather sofa brightener (high gloss)
Leather sofa brightener (medium light)
8. Maintenance: Dip the leather essence with a sponge and apply it evenly on the leather surface to dry. The best effect will be achieved after 24 hours of self-drying at room temperature. After 10 minutes of drying with a hot air blower, you can touch it with your hands. Quick Polishing with Polishing Gloves
Practical explanation of self-fixing nano color paste
In the video, if you add a cross-linking agent
After coloring, it can be used as a fixative and the resistance to dry and wet rubbing will be greatly improved