1. Scratch Repair Method (1) Cleaning the Scratched Area: Before applying any leather cleaner, make sure to clean the area thoroughly using a suitable leather cleaner. Allow it to dry naturally or use a hair dryer on a low heat setting to speed up the process. However, keep the hair dryer at least 20 cm away from the leather to avoid overheating and damaging the surface. (2) Applying Adhesive: If the scratch has caused a blister, you'll need to use leather repair glue to reattach the lifted part. Start by applying a small amount of glue in the opposite direction of the blister, allowing it to penetrate the material. Then, apply the glue along the edge of the blister, making sure it fills the gap completely. Wipe off any excess glue with a soft cloth and let it dry for at least 30 minutes. For better results, allow it to dry overnight. (3) Toning: In addition to repairing the blister, the scratch may have caused the leather's top layer to wear away. To restore the color, use leather repair pigments that match the original leather color. There are eight standard colors available, so choose one that closely matches your leather. You can test the pigment on an inconspicuous area first. If the color doesn’t match, gently wash it off with a mild detergent and adjust the color gradually until it blends well. If the pigment appears too shiny compared to the leather, add a matting agent to balance the sheen. (4) Color Correction: Once the base color is set, apply the pigment using a spray gun or a clean cloth. Avoid applying a thick coat in one go; instead, spray in thin layers. After each spray, use a hair dryer to dry the area for about two minutes before applying the next layer. Continue this process until the color perfectly matches the surrounding leather. Finally, apply a leather protectant to enhance durability and maintain the finish. 2. Repair Methods for Abrasions and Bumps (1) Cleaning: Begin by cleaning the affected area with a leather cleaner. Let it air dry or use a hair dryer on a cool setting to speed up the drying time. (2) Filling: If the damage has created a depression or uneven surface, use a leather repair cream to fill the area. It’s best to apply the filler in two stages. After the first application, let it dry for about 30 minutes before applying the second. This ensures a smooth and even surface. Once filled, if there’s no grain texture, you can manually create it using tools like needles or a fine brush. Apply the repair paste, then carefully press the texture into the surface and dry it with a hair dryer. (3) Toning: After filling, apply the appropriate color using leather repair pigments. Match the color based on the provided scale. Test the pigment in an inconspicuous spot first, and gradually add more color until it blends seamlessly with the rest of the leather. (4) Color Correction: Apply the color in multiple thin layers, allowing each to dry for two minutes between coats. If the final result lacks the desired shine, apply a light agent to match the leather’s natural luster. Finish with a leather protectant for long-term care. 3. Repair Methods for Holes There are several types of holes, including fully broken areas, partially damaged but not peeled sections, and cigarette burn marks. (1) Full Breakage Repair: Clean the area with a leather cleaner, then let it dry. (2) For completely torn holes, cut a piece of leather or non-woven fabric that matches the softness of the original leather. Use regular adhesive (such as universal glue) to attach it to the bottom of the hole, then fill the hole with repair paste. Apply the paste in two or three layers, allowing each to dry for about 30 minutes before adding the next. (3) For holes that are not fully torn, clean the area and attach a matching piece of leather or non-woven fabric to the back. Fill the hole once with repair paste and skip the grain-making step. (4) For cigarette burns, first use a cutter to remove the hardened residue around the hole. Clean the area again, then attach a matching piece of leather or non-woven fabric to the inside of the hole. Fill the hole with repair paste in two or three applications, allowing each to dry before the next. (5) After filling, apply the correct color using the repair pigment. Test the color in an inconspicuous spot and adjust until it matches the leather. (6) Once the color is right, apply it in thin layers using a spray gun or cloth. Dry after each coat and continue until the color is consistent. Finally, apply a leather protectant to ensure longevity. 4. Repair Method for Two-Tone Leather Two-color leather requires special attention during the repair process. The initial steps are similar to single-color leather repairs. When blending the base color, aim for a slightly lighter tone to match the two-tone effect. After applying the base color, use a patch dye (five colors) to achieve the second tone. Test the color in an inconspicuous area and adjust as needed. Apply the final coat in thin layers, allowing each to dry before the next. Finish with a leather protectant to preserve the appearance and quality of the two-tone leather.
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