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Choose the appropriate standard according to your own goals. The most commonly used method is the friction method. The standard it requires is ASTM D3108. Select the standard we need in the setting in...
With the implementation of GB/T 4802.4-2020, ISO 12945-1: 2020, ISO 12945-2: 2020, ISO 12945-3: 2020, ISO 12945-4: 2020 and other method standards, the results of eye ratings of the above standards al...
Linear density is the thickness of fibers and yarns. It can be directly expressed by the cross-sectional diameter, cross-sectional perimeter or cross-sectional area of fibers and yarns. When the cross...
The fabric air permeability meter is used to test the air permeability of materials such as non-woven fabrics, melt-blown fabrics, special industrial fabrics, general fabrics, sponges, knitted fabrics...
Twist test principle: The twist is usually not evenly distributed on the entire yarn. When testing the twist, the sample should be taken 1 m away. Under the specified tension, clamp both ends of the s...
Measuring principle of tensile machine: 1.The force value of the tensile testing machine is measured through a load cell, amplifier and data processing system. Under the premise of small deformation, ...