Possibly the most comprehensive vegetable tanned leather dyeing tutorial in history

Author: Since Handmade Leather Art Weibo: https://weibo.com/u/6360521937 Dyeing is definitely a nightmare for all vegetable tanned leather novices. If you make a mistake, the dyeing may be uneven at best, or the skin may be bruised at worst. Why? Because there are a variety of dyes commonly used in leather goods, and the leather itself has Color, water absorption of pores, the amount of oil contained inside, etc. will also change the dyeing effect. In addition, there are auxiliary reagents such as horn oil, anti-staining, and water-based enamel. The sequence, time rhythm and dosage of the three factors. All will play a decisive role in the final effect of dyeing.

△The Forbidden City recently After talking about the leather dyeing works, everyone’s mind is confused. Don’t panic, let’s start with the basic knowledge of dyes. Wake up, chemistry class has begun, everyone, take notes. There are three types of dyes commonly used in leather goods: alcohol, salt-based, and acrylic. 1. Alcohol dye The main ingredients of alcohol dye are: alcohol and heavy metal dye particles. Common brands:

△American Knight

△ Characteristics of German-made packaged dyes: Because alcohol is used as the dye solvent, it has strong permeability and can color the leather surface very well, with saturated colors. It has a high degree of accuracy and is suitable for large-area single-color applications or paintings with a heavy-color feel. However, due to alcohol, it will greatly destroy the leather oil film, causing the oil loss to accelerate. It will become dry and hard after dyeing. Improper handling may even make the leather dry and cracked, making it unusable. At the same time, because it is a heavy metal dye particle, after multiple times of coloring, the pigment particles will accumulate on the leather surface, forming a metallic reflection. If not handled properly, there will be a significant risk of fading in the future. 2. Salt-based dyesThe main ingredients of salt-based dyes are: water, glacial acetic acid, and mineral dyes. Common brands:

△Japanese craft