+8615280858852
+8615280858852
What is fabric shrinkage? The yarn buckling occurs during the re-weaving process, so the length or width it occupies in the fabric must be less than its original straightening length, and the percentage that reflects the difference between the two is called weaving shrinkage. They are expressed in terms of warp shrinkage and weft shrinkage. The reason for the fabrics shrinkage The weaving yarns ar...
Preparation of specimens 1. Cut out the required number of square test specimens of 64 ± 1 mm × 64 ± 1 mm from various parts of the material to be tested (no scratches, creases or folds) using the standard cutter or scissors along the direction of warp and the direction of weft. Procedure of Upper and Vamp Material Flexing resistance Tester 1. Method for clamping specimen 1.1. Half fold the specim...
Mouth Toy Endure Tester is suitable for testing the safety performance of children's mouth-operated toys. Principle of Mouth Toy Endure Tester The tester blows a certain volume of gas out and inhales the toy at a certain speed, alternately blows and sucks the toy 10 times, and checks whether the toy and the parts that fall off are small parts after the test is completed. Mouth-actuated Tester stru...
Footwear Impact Resistance Tester is manufactured according to EN and GB specifications. By impacting the toe with a certain energy (EN, GB200 Joules), measuring the minimum height of the cylindrical clay below, to evaluate the impact resistance of the toe cap, in order to understand the safety shoes safety quality. The purpose of Safety Shoes Impact Resistant Tester is to determine the impac...
Mountaineering is a sport that many people like. When you climb a mountain, it may rain, but it is inconvenient to climb with an umbrella. Moreover, mountain climbing is a very physical activity. When you sweat a lot, the temperature on the mountain is usually very low, and undressing is unrealistic. Therefore, a waterproof and breathable clothing is particularly important for mountaineers. Do you...
1. Prepare the sample: Samples ready for testing 2. Operation steps: 1) Before testing, check whether the power supply of the Light Aging Tester is plugged in properly. 2) Adjust the height of the mesh, put the sample on it (some customers will ask to wrap half of the sample with aluminum paper) set the test time, turn on the power switch Note: 1) Only one of them is turned on when 15W is needed, ...
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