Leather physical testing mainly includes: tensile strength, elongation, tear strength, composite peel strength, abrasion resistance, folding fastness, color fastness (the color also includes dry rub resistance, wet rub resistance, Sweat resistance, heat resistance, water fastness, washing resistance, stain resistance, etc.), air permeability, water permeability, dynamic water resistance, softness, horizontal flammability, atomization, odor, etc.
Related Leather testing machine commonly used is described as follows:
7. The Shoe Upper Material Flexing Tester uses continuous reciprocating stretch fast action to simulate the squeezing, stretching and bending of the upper during walking after the shoe is worn. After the test, check the lens wrinkles, creases or damage, as a reference basis for selecting shoe upper materials.
8. The leather breathability tester (GESTER Water Vapor Permeability Tester GT-KC21) is used to test the ability of the upper and the upper shoe material, including the leather surface and lining, to resist water vapor penetration. In order to be able to comply with various test specifications, the test needs to be carried out in an environment with a temperature of 20°C and a relative humidity of 65﹪hr.
9. The leather cracking tester (GESTER Leather Digital Lastometer GT-KC37A) is used to test the anti-cracking index of leather surface leather and various thin leathers, etc. After the test piece is fixed, the contact surface of different sizes is used to make the leather top up from the inner surface at a speed of about 12mm per minute. When the leather surface has cracks, the height value is the crack elongation value after comparison.
10. The IULTCS & Veslic Leather Abrasion Tester is used for all kinds of leather, shoe uppers and inner shirt leather to be damaged and decolorized after friction. The test method is to wrap the friction hammer with dry or wet white wool felt under the specified pressure Rub the test piece on the test bench back and forth, and observe the degree of discoloration or damage after the test.
11. Leather rubbing resistance testing machine is used to test the rubbing resistance of leather, artificial leather, rubber, cloth and other materials. The load can be adjusted to the distance between the test piece, the fixture and the reciprocating distance, and the distance between the fixtures can be gradually reduced. After lightly touching the cloth surface of the two samples, apply a load. After a certain frequency and under the specified stroke conditions, observe whether there are cracks, damage or separation of the cloth base and the coating on the surface of the sample after 1000 times to determine the product's performance quality.
12.The Leather Shrinkage Temperature Tester is suitable for any kind of leather whose shrinkage temperature is below the boiling point of water. The test principle is to put the test piece in water and slowly heat it until the test piece suddenly shrinks. Record the temperature at this time. This temperature is used to indicate the tanning characteristics of the leather. The Leather Shrinkage Tester adopts advanced single-chip technology to accurately control temperature, electromagnetic stirring, and LED display.
13. Leather tensile strength testing machine is used to test leather, shoemaking, metal, plastic, rubber, textiles, synthetic chemicals, wires and cables and other industries. This universal testing machine can test the tensile strength of various materials, semi-finished products and finished products. Strength, elongation, elongation, peeling, tearing, bending resistance, compression and other tests can be done.
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