ISO/IEC 17025:2017 (NABL) Certification for Leather
Leather
Leather is a material that has been used for different purposes from ancient times. In the modern times, the leather is used for various purposes such as clothing, footwear, bags, furniture and sports equipments.
Types of Leather
There are many different types of leather that are available in the market and selected according to the desired use. The full grain leather is the best form of leather and has natural grains that are uncorrected and make the leather stronger. Corrected or embossed grain leather is the one in which the natural scratches and scars and the natural grain of the leather is corrected through buffing, sanding or replacement of the natural grain. Other types of leather include split suede, nubuck sueded grain, reconstituted grain. The price and quality of the leather is decided according to the type of leather and its finishing.
Leather processing
When you take the leather from the animal is body, you cannot use it right away. It will have smell, different marks on the surface and many other limitations hence the leather needs to be processed properly before it is used for production of any product.
Processing leather is a very lengthy and complicated process that includes various stages. The first stage is preparatory stage where there are several procedures performed on the skin obtained from the animal corpse. Soaking of the skin is done to wash and rehydrate the skin. Liming is done to get rid of any unwanted proteins. Liming also helps in opening up of the skin. Un hairing is done to remove the majority of hair on the leather. Subcutaneous materials are removed through fleshing. In addition to that, there are bleaching, bating, degreasing, frizzing, pickling and de pickling.
After the preparatory stages comes the tanning stage. During the tanning process, the natural proteins of the raw skin in to stable materials that cannot putrefy further and can be used for various applications. There is a vast variety of tanning materials and methods used for tanning of raw skin. The most commonly used tanning material is chromium that is used by leather tanners worldwide. For tanning, the pH of the skin is reduced to the acidic level and then it is soaked in the tanning agent for a significant amount of time. Once the penetration of the tanning agent is evenly done in the skin, the acidic level of the skin is increased towards the basic side.
After tanning comes the crusting process. During the crusting process, the skin is thinned, and lubricated. Mainly the crusting process is done drying of the skin and it makes it soft as well. After this the leather can be used for various productions.
Testing of leathers
As leather is used by so many industries, the quality assurance is an important part of the leather production. To ensure the best quality, the leather must be tested in an efficient Laboratory that has certification for ISO 17025: 2017 and accreditation from NABL. This ensures that the testing is done accurately and the results are accurate which can help in ensuring the best quality of the material produced.
In case, you have Leather equipment testing lab then you must get it certified for ISO 17025 – NABL, Prime Certification can help you with all the formalities involved with the ISO 17025 NABL certification for Leather equipment testing lab process. We have a vast team of highly experienced professionals who have been helping our clients in getting an easy ISO 17025 NABL certification for Leather equipment testing lab by handling all the audits, inspections, and paper works.
