Tests fabrics for sofas before they can enter the market, all the tissues tested for durability, pillinguemosti, the degree of color fastness, fire resistance, etc. The principles and methods of testing same in all countries, although regulations often vary considerably. Sometimes the fabric is not all the tests, but only those that are needed in terms of its use. In this case the certificate indicates that the tissue maintains a particular test. Basically, all the tissues tested by the standards of International Organization For Standartization (International Organization for Standardization). Typically, the organization itself and its standards and is denoted by the letters ISO. In the ISO are more than 140 countries.
Its standards are generally accepted. ormation. In addition to the ISO are used more and British Standarts (British Quality Standards), abbreviated BS. The figures BS is always lower than the rates ISO, however, can not compare them: tests conducted by British standards at more stringent conditions. Endurance Test (Test Martindale) To assess the ability of tissues to resist wear surface used three methods: test Martindale (Martindale Test), test Vizenbeka (Wyzenbeck Test) test and Stoll (Stoll Test). Vizenbeka test is used primarily in North America to establish standards and applications for upholstery fabrics. Stoll test designed to determine external changes to the pile of furniture fabrics. However, the most widespread in the world has received the Martindale test.
On it and discuss in more detail. The test fabric is mounted on a special holder. Smooth metal disc moves along the lines of tissue at a given speed and pressure.