How to dye vegetable tanned leather, and how to soften vegetable tanned leather after dyeing hard

Vegetable-tanned leather. The effect of dyeing depends on the dye.

It is different in terms of technique, use time, and maintenance method.

Alcohol dye] is the cheapest and most readily available handmade leather dye. The advantage is that it is water-soluble, and it can be mixed and mixed at will.

Try to be the same as the brand), you can add water to dilute to adjust the color shade, the color selection is more, and the use method is more casual: rubbing, dipping, and spraying can be. If it is dip dyeing or spray dyeing, it can be dyed very evenly, even comparable to the effect of industrial products.

The disadvantage is that the leather will become dry and hard after dyeing, and additional oil needs to be replenished.

Oil-based dyes] There are two types of oil-based dyes: liquid oil dyes and antique dyeing pastes. Antique dyeing paste is generally used to add a shadow effect to leather carving works, and can also add an antique effect to plain works, but it is not suitable for dyeing alone. The focus here is on liquid oil dyeing.

Although it is difficult to dye it by hand with liquid oil-based dyes and there is no color difference, the mottled feeling of deep and shallow is very suitable for expressing the simple and varied temperament of handmade.

Salt-based dyes] The advantage of salt-based dyes is that they are bright in color and have good color expression, but the disadvantage is that they are easy to fade and dull. If you want to combine the uniform effect of alcohol dyes with the moisturizing texture of oil-based dyes, you can use them together.

There are several types of dyes, such as oil dyeing, alcohol dyeing, salt-based dyeing, and so on. Generally speaking, the alcohol dye is dyed on the leather surface, and after drying, it can be applied to the surface with anti-dyeing fixation color for color fixing.

Summary. It can be softened by applying cow hoof oil or synthetic fatliquor. It is best to put on the anti-dyeing first.

Method 1: 1. Place the hardened dermis flat on the table and apply the dermal conditioner. Note:

Please do not rush to do so, if you dry it with hot air, it will destroy the oil injected into the skin again because of the hot air. After 2 to 3 injections of the skin, the dermis will soften after natural drying.

2. If it has not become soft, use both hands to clamp the leather in the middle, simulate the principle of playing cotton, and gently pat it like applause to make the intradermal fibers vibrate, so as to help remove the bonding of intraskin fibers. Then apply the leather conditioner, and so on, after several times of applying the leather conditioner, the dermis will become soft.

Note: This method is only suitable for leather that has been hardened due to the loss of oil, not for leather that has hardened due to aging or loss of function, and not for leather that hardens by coating the outer membrane that seals the pores of the dermis, because it is difficult for the conditioner to enter after the eye is closed. ）

Method 2: Take the nitrate and harden fur products, you can use 2 parts of sesame nitrate, 1 part of indica rice powder, and 3 parts of cold water to form a solution, spread the fur leather plate upwards on the tabletop, spray cold water to moisten the leather plate first, and then dip the solution with a brush, evenly brush on the leather board, let it stand for 23 hours after brushing, and then carry out the second brushing, and so on 35 times. After drying, rub evenly, and the leather plate will become soft and elastic.

How vegetable tanned leather becomes soft after dyeing and hardening.

It can be softened by applying cow hoof oil or synthetic fatliquor. It is best to put on the anti-dyeing first. Method 1:

1. Place the hardened dermis flat on the table and apply the dermal conditioner. Note: Please do not rush to dry, if you use hot air drying, it will destroy the oil injected into the skin again because of the hot air.

After 2 to 3 injections into the skin, the dermis will soften after the natural touch and drying. 2. If it has not become soft, use both hands to clamp the leather in the middle, simulate the principle of playing cotton, and gently pat it like applause to make the intradermal fibers vibrate, so as to help remove the bonding of intraskin fibers. Then apply the leather conditioner, and so on, after several times of applying the leather conditioner, the dermis will become soft.

Note: This method is only suitable for leather that has been hardened due to loss of oil, not for leather that has hardened due to aging or loss of function, and is not suitable for leather that hardens by coating the outer membrane that seals the pores of the dermis, because after the eye is closed, it is difficult for the conditioner to enter the smile. Method 2:

For fur products that are hard to nitrate, you can use 2 parts of sesame nitrate, 1 part of indica rice flour and 3 parts of cold water to form a solution, spread the fur leather board upwards on the clever surface of the table hole, spray cold water to moisten the leather board first, and then dip the solution with a brush, evenly brush on the leather board, let it stand for 23 hours after brushing, and then carry out the second brushing, and so on 35 times. After drying, rub evenly, and the leather plate will become soft and elastic.

Hope it helps, dear

Vegetable-tanned leather is a raw material for leather goods formed by processing leather with vegetable tanning agents. In terms of hardness, there are chrome tanned, semi-vegetable, and fully vegetable-tanned. Full vegetable tanned skins are the hardest and thickest.

Generally, vegetable tanned leather is the best choice for primary color leather goods and leather carving. Vegetable-tanned sheepskin is a sheepskin made by this process, usually sheepskin.

It has the characteristics of environmental protection in the true sense of the word. And it feels relatively hard. It is a craft of leather.

Vegetable tanning is made of pure plant preparations, which is much lower than vegetable tanning, carcinogenic, and relatively high, so that the skin is relatively environmentally friendly. The color of chrome tanned leather is rich and bright, but it is not environmentally friendly, it does not contain chromium, and it feels very soft, but it has limitations in color, and it will become hexavalent chromium after oxidation, and it is still in the research and development stage.

Primary colorsVegetable-tanned leather. It is best to put the belt on the anti-dyeing, because the primary color vegetable tanned leather belt may fade when damp, and the anti-dyeing also has the effect of waterproofing.

Anti-dyeing can also be called leather metal complex dye.

Water, this dye is cationic.

And anionic dyes, the lightfastness and wet and dry friction resistance of the positive dust satin type combined with leather are better than the anionic ones, the general cationic dye is used to spray on the water dyed leather as the top layer, and the anionic dye is used to spray on vegetable tanning or chrome tanning to change color.

With anti-dyeing is equivalent to adding a protective film, so that the leather is more moisturized, waterproof, and the discoloration effect is not as obvious as horn oil, and then find a good weather when the sun bathing, after this procedure, the color will be better looking travel socks and shiny.

How to care for leather:

1. Clean the dirty surface.

Whether it is leather shoes or leather clothing, as long as you wear it, it will definitely be contaminated with dirt and dust, so you must clean it after daily use, and you can also avoid some dirt staying on the leather for a long time.

2. Choose the appropriate leather oil.

If it is made of genuine leather, you can choose a natural animal oil, such as mink oil or salmon nourishing oil, this type of oil is mainly used to help maintain the leather.

3. The damaged leather of the small mill town can be repaired naturally.

If there are some small scratches on the leather, you can gently and slowly wipe the fingertips, palms or cotton cloths, use your hands or dip a little leather oil, and push along the scratches to slowly eliminate the small scratches.

Vegetable-tanned skinsNot leather. Vegetable-tanned leather is a raw material for leather goods formed by processing leather with vegetable tanning agents.

Vegetable tanning refers to a material rich in vegetable tanning and machinacean.

Tannin content 8%), with industrial development value of the plant called tissue. Genuine leather is made using animal skins, as opposed to artificial leather made from chemical fiber materials artificially.

Therefore, vegetable-tanned leather is not genuine leather.

Advantages of vegetable-tanned skins:

1. Environmental protection.

The vegetable tanned leather made of tannin gum as the main tanning agent only contains pure natural animal and plant components, and no longer contains heavy metals, benzene, phenol and other aromatic harmful components contained in leather made of other tanning processes. It has the characteristics of environmental protection in the true sense of the word.

2. Naturalness.

After the vegetable tanning is completed, it is not painted. Therefore, the surface of the leather body retains the loose grain and luster of the leather itself, which is natural and simple. Its grain retains the natural texture of the leather, which is simple and elegant.

Its luster is soft and translucent, and its brightness will be softer and more translucent as consumers use it.

You can buy a special eraser for vegetable tanned leather, which is as easy to use as wiping pencil words, and maintains a gentle force to clean the stains.

Use a soft cloth dipped in water to draw circles on the saddle soap to take the soap liquid, continue to draw circles on the leather to wipe the stain, it is easy to wipe off the stain, and then use a dry soft cloth to absorb the water.

After cleaning with water, apply a maintenance oil to replenish the oil content of the leather.

Vegetable-tanned leather is a raw material for leather goods formed by processing leather with vegetable tanning agents. It was first found and used in the pyramids and excavated artifacts from ancient Egypt more than 4,000 years ago.

According to the hardness standard, it is divided into chrome tanned leather, semi-vegetable tanned leather and full vegetable tanned leather. Fully vegetable-tanned leather is the hardest and thickest of them all.

It is generally used for the application of primary color leather goods and leather carving.

In terms of the maintenance of vegetable-tanned leather, the recommended care oil is animal fat, because of the similar characteristics, the maintenance effect of leather is the best.

If the vegetable tanned leather touches the solid contaminants, you can choose to gently wipe the stain with an eraser, and if it is a liquid contaminant, you can wash it with saddle soap and then dry it with a hair dryer.

Vegetable tanned leather is easy to stain, do not try to wipe with water when touching dirty things, that will expand the area of the stain.

Saddle soap assists in the overall clean-up, which will bring away the moisture and oil of the leather, and the residue itself is not easy to completely clear from the leather, so it is not recommended to use it when encountering small stains.

Shoe polish should be avoided during the maintenance process, as there is a large amount of wax in the shoe polish that can clog the pores of vegetable-tanned leather, change the properties of the leather, and make the leather harder.

Vegetable-tanned skins will naturally change color after sun exposure and use, because vegetable-tanned skins are tanned with plant tannins, which will turn reddish-brown or brown after oxidation.

Vegetable-tanned leather is a subdivision of the first layer of cowhide, also known as leather yard air carved leather, tree paste leather, oak leather, belt leather. The color is undyed natural. Vegetable tanned leather has small stretch and shrinkage, water absorption is easy to become soft, plasticity is easy to shape, and the color ranges from light meat pink to light brown, which is most suitable for leather carving handicrafts.

The first layer of cowhide leather embryo is tanned with vegetable tanning material, so it is only later that some people are commonly known as tree paste skin, and some people write it as tree cake skin. The characteristics of vegetable tanned leather: the leather after tanning and fatting is soft and compact, the fiber structure of the leather is small, the formability is good, the board surface is plump and elastic, no greasy feeling, the grain and suede of the leather are shiny, and the water absorption is easy to become soft.

Leather that has been tanned with vegetable tanning agents (tannins extracted from plants) or with chemicals such as metallic chromium and synthetic tanning agents is called leather, and the leather that has been dyed, oiled and dried can maintain its quality and flexibility with moderate care. Among them, the leather tanned by vegetable tanning agent (tannins solution) is easy to shape due to its strong water absorption and high plasticity, which is very suitable for carving and leather molding.