Q & A
The Croupon/dbl. Bend is the strongest and most valuable piece of the hide.The Shoulderpiece is known for its neck rings.The Belly has a loose structure. They are not as firm as the croupon.
This valuable leather is produced following ecological guidelines and methods. The total life cycle of the product is evaluated and remains constantly in fore field of its production, this stands for resource retention production, long life and environmentally safe producing qualities.Lederhaus guaranties, that all vegetable tanned leather are produced utilizing following guidelines:
Absolute chrome freeNeither chrome tanning agents are used, nor does the product ever come in contact with other leathers containing chrome tanning agents (meant is that containers used in the tanning process are cleaned of all chrome containing residue and other dyeing agents) during its production.Abandonment of SoftenersGluteraldehyde and other Aldehydes which are used to achieve softness and fill in the finished product are excluded.Heavy Metal DyesThe utilized dyeing agents are in accordance with the 3. Amendment to the German Consumer Goods Regulations from 16.12.94.PCP-free, compostableMeets requirements as mentioned in guidelines in the PCP-Prohibitive Order, making it totally compostable.
Storing and SortingThe conserved raw goods are stored in a cool place; quality is proofed and sorted prior to the production.
Through the softening the raw hides are freed from dirt and salts.
This step in the process removes fat deposits and meat deposits still remaining on the hide. The hides are drawn through a stripping machine.
Traditional fleshing is done with a fleshing knife and a radial fleshing beam.
Soaked and worked in vats, with the addition of calcium and sulphur the hair is loosened and removed. Scudding is still performed by hand to remove any leftover fur in the hide.
Deliming and pickling introduce acids and salts into the hide to prepare for the hide for tanning. During the tanning the hide fibers absorb the tanning agents and the hide is now leather.
The wet leathers are then pressed through large rollers extracting the water and moisture from the hides.
Upper Leather/Grain LeatherThe grain side is then brought to proper thickness and is then ready for the saddler, upholsterer or bag maker. By thick leathers are all layers of the hide still present. These leathers were used throughout history in the area of protection. Additionally grain leathers find usage in the garment and upholstery industry. Split LeatherThe flesh side has a lesser tear resistance and is made into velour/suede, wild leather, or to other heavily finished plain leathers.
Split LeatherThe flesh side has a lesser tear resistance and is made into velour/suede, wild leather, or to other heavily finished plain leathers.
The grain leather is worked to a unified thickness. Uneven areas on the flesh side are removed. In closing this step the leather is then separated to individual dyeing pieces.
In this stage the remaining acids from the tanning process are neutralized. Following and according to the leather types the filling and dyeing with leather dyes. Through the additive of oils the leather achieves the necessary softness.
Two methods of drying the leather are administered: Vacuum drying, in that the moisture is sucked up and the Hang Drying whereby the leather is suspended and runs through a drying oven.
To get the leather back into a soft state after the drying process it is machine conditioned and additional steps to prepare it for the finishing process.
The quality is governed between every step of the tanning process. The final control proves that the individual steps have met the standards required so as to qualify for the type of leather produced as well as meeting standards as described in the master pattern. Here the leather is sorted as to value grades.
The leather is now electronically measured, packed and ready for sale.