In the world of textiles, genuine crust leather is a special kind of material that is both unique and adaptable. This kind of leather is highly sought after for its unprocessed and organic look, and it is well-known for its resilience and unique texture.
Crust leather is made by a number of processes that maintain the leather’s inherent qualities while boosting its durability and strength. For individuals who value the beauty of raw materials, crust leather is a popular option because it maintains a more natural appearance and feel than fully finished leather.
The
- Description
- Production technology
- Table with characteristics
- Main differences
- Video on the topic
- What is important to know about crusts. What is crust leather and how to work with it.
- Genuine crust leather. Features and differences
- How to process crust? Finish from IEXI – Meltonian P/1. We make leather with an "expensive" coating.
- What is crust?
Description
Natural leather that has been through a drum dyeing process (through or non-through) and tanning is called crust. In Russian, "crust" translates to "crust." The material is unique in that its surface remains "live." No processing, including grinding or embossing, is done to crust. On the front surface, the natural grain pattern is easily discernible. The material has an appearance akin to smooth varieties of real leather.
Skins from pigs and cattle are used to make crust. Tannin from vegetables is used. Pigskin can be carved, stamped, or embossed. Cattle crust is used to make a wide range of items, including holsters, sheaths, army ammo, shoes, and horse riding gear.
The skin is robust and fairly thick. The crust’s thickness fluctuates between one and three millimeters. Reptile skin is included in this category of leather materials as well. These skins differ in their thickness, characteristics, and use.
The texture of the crust works well for finishing techniques like embossing. The substance is capable of absorbing chemicals, oils, dyes, and dressings.
Production technology
The raw materials go through standard cleaning procedures at the beginning. They sort the skins. The raw material is soaked in a lot of water and chromium to produce elastic, pliable leather. The next processing step is drum dying, either heated or not. The best color resistance can be obtained using the first technique.
Cleaning raw materials increases their ability to withstand moisture. Krast’s face is left unprocessed to maintain its original pattern. This technology prevents the skin from becoming detached and destroyed during surgery.
Wax is used for facial processing in order to preserve air conductivity and shield crafts from moisture. Unpainted often abandons this kind of material. Products that demonstrate the natural aging process over time are made from such a crude.
Real crust leather is a special kind of material that requires very little processing to maintain its durability and natural texture. Because of its unfinished surface, this kind of leather is popular for a variety of uses, including furniture, bags, and shoes. Its durability guarantees years of use, and its natural qualities give it a raw, genuine appearance. Selecting the appropriate leather for a given purpose is made easier by being aware of its main characteristics and processing method.
Table with characteristics
The following table lists the crane’s general characteristics:
Characteristics | Indicators |
Type of raw materials | Natural animal origin |
Type of raw materials | KRS and pork skins |
Tactile properties and description | Dense, durable leather, soft with a natural face, not polished "FULL GRAIN" |
Bakhtarma | Planed, smooth, lint-free |
Tanning method | Chrome, vegetable, less often – combined |
Mass fraction of chromium oxide, % | Not less than 4 |
Hydrophilicity, % | 10 – 16 |
Purpose of the material | Clothing, footwear, accessories, weapons |
Strength | High |
Thickness of the most common types used in sewing clothes and footwear, mm | From 0.5 to 2 |
Area of tanned semi-leather, dm3 | 130 – 150 |
Ultimate tensile strength at spherical tension, 10 Nm | Not less than 40 |
Ultimate tensile strength, N/mm2 | 20 – 25 |
Tensile strength, N/mm2 | 0.6 – 1.1 |
Elongation at tension 10 MPa, % | 15 – 35 |
Water resistance dynamic, min | Not less than 30 |
Water resistance | Above average |
Moisture absorption rate | Average |
Air permeability | Optimal |
Dyeing methods | Drum through and blind |
Manufacturer | Italy, Turkey, Spain |
Standardization | GOST 13956 – 74, 11529 – 86, 10629 – 88 |
Price | From 19 ₽/sq. dm and above |
Main differences
On the outside, crust resembles silky leather. The primary distinction is that the front side isn’t ground. Crust may become slightly darker and exhibit noble aging over time.
The skin’s low stretch and thickness are distinguishing characteristics. The material’s back side is essentially lint-free. This is because of how the raw materials were dressed. The price of smooth leather is high. Kraft is more reasonably priced.
Processing Method | Characteristics and Application |
Vegetable Tanning | This traditional method gives the leather a natural look and feel. It is often used in belts, wallets, and bags due to its durability and rustic charm. |
Chrome Tanning | Faster and more efficient, this method results in softer leather, making it ideal for clothing and upholstery. |
Wax Finish | A wax coating enhances the leather"s water resistance and gives it a glossy finish, perfect for shoes and jackets. |
Oil Finish |
Real crust leather is distinguished by its distinct qualities and uniqueness, which makes it a flexible option for a range of uses. Because of its minimal finishing processing, it retains the leather’s natural feel and texture, which makes it more appealing to people who value material authenticity.
Crust leather is especially prized in the upholstery and fashion industries because of its unprocessed and unaltered state. It is the material of choice for long-lasting, high-quality products because of its resilience and capacity to acquire a deep patina over time. This leather offers a combination of rugged charm and durability, whether it is used in furniture, bags, or shoes.