There are essential differences between leather clothing and various textile products. Due to the characteristics of leather, it is limited by some conditions when cleaning. After several times of wet washing, leather clothing may cause the loss of fat tanning agent in leather, and there are also problems of deformation and hardening of leather clothing caused by improper technical treatment of drying and finishing of leather clothing. These should be paid enough attention.
There are three kinds of dirt attached to leather clothing: oil soluble, water soluble and special. Generally, there are two ways to remove these dirt, mechanical cleaning and manual cleaning. Here will be a manual cleaning method. No matter what form of manual operation is adopted. The method and the operation procedure are basically the same, but there are some differences between the methods and the agents for removing dirt.
I. manual cleaning procedure
1. Prepare the workbench, tools and supplies. For example, various cleaning agents, cleaning agents, cotton towels, brush, sponge blocks or plastic foam blocks.
2. Place the leather clothing civilians to be cleaned by hand on the workbench.
3. Find out the dirt attached to the clothing, select the corresponding chemicals, and remove and clean them in turn.
4. Check the quality of dried leather clothing, leather surface and stain removal, and treat them differently.
5. The leather clothing with cleaning quality requirements shall be transferred to the next sequence. Smooth leather clothing, which needs coloring and finishing maintenance, is transferred to coloring, finishing and maintenance process. Suede leather clothing, into the whole process for processing.
II. Problems in manual cleaning operation
1. The key parts of leather clothing cleaning: neckline, cuff, bag mouth, hem, inner flap, etc. shall be cleaned, and cotton block or towel, brush, sponge block shall be used for wiping. The cleaning dosage should not be too large each time. It should be prevented from soaking leather clothing.
2. The leather clothing lining shall be cleaned to prevent excessive force, tearing and damaging the lining, and the water volume shall not be large. While cleaning, dry it repeatedly with a clean cap to prevent water and dirt from seeping into the leather. After cleaning, dry the lining with a wool cap for many times to avoid water marks on the lining.
3. When cleaning leather clothing, pay attention to moderate force to prevent the leather surface from being scratched and damaged due to improper force, resulting in artificial damage.
4. After leather clothing cleaning, if the leather coating surface falls off and the surface is seriously cracked, it is necessary to remove the film. Before removing the membrane, prepare protective equipment, such as rubber gloves, apron, mask and ventilation facilities, because of the pungent smell of solvent type.
5. When cleaning leather clothing by hand, "how to wash clothes" for special dirt, small test shall be conducted at the place where the clothing is not obvious in the daytime, and then large area removal shall be conducted to avoid uncontrollable quality problems.
Due to the natural particularity of leather, there is not a set of fixed cleaning mode for leather garment. It can only be different from clothing to clothing. It depends on continuous research and practice, accumulation of experience, summary of laws, and efforts to do a good job in improving the washing service.
