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The leather is loaded with 1kg and rubbed repeatedly 500 times without obvious wear and tear.

Colorfastness test

The surface cotton cloth is loaded with a 22N dry wipe and a wet wipe 20 times at a rate of 1 time per second, and the color fastness is ≥ 4 grades (the highest grade 5 AATCC gray card for comparison).

Universal material tensile test
1. Tear strength test: After the leather is torn a mouth, use 25N in the warp direction and 20N in the weft direction, and at the same time, pull it hard without breaking;
2. Tensile breaking strength: warp direction ≥250N, weft direction ≥250N, the leather material will not break when stretched simultaneously;
3. Elongation at break: Test the elasticity of the leather. After stretching, the leather is elongated by 10% in the warp direction and 15% in the weft direction;
4. Leather sewing machine strength test: At the leather stitching and sewing place, pull at the same time with a force of ≥180N in the warp and weft directions, and the sewing interface will not be broken or deformed.

Bending resistance test
The simulated 21.5° angle repeatedly bends, respectively, to reach 200,000 and 500,000 times, and the leather does not break.

Wire bending test
According to European Union and Chinese standards, the hoisting weight is 500g, the bending is 5000 times, the bending angle is 90°, and the wire is not broken.

Massage Mechanism Precision projector test
For precision components such as chip motherboards, the projector is used to measure and ensure the precision production standards of important components.

Massage mechanism noise test
Each massage mechanism needs to pass a noise test before assembly, and the mechanism noise decibel reaches the standard ≤40dB when it is working before it can be assembled on the massage chair.

Hardware salt spray test
For hardware components, exposed parts are tested with 5% sodium chloride for 24 hours, and internal parts are tested with 3% sodium chloride for 24 hours. They will not rust and the coating will not fall off.

Putter life test
The electric push rod is installed on the iron frame of the massage chair. After a load of 200kg, it is continuously contracted within 24 hours. The number of contractions is ≥ 30,000 times. The push rod has no breaks, no abnormal noises, etc.

Walk-in constant temperature and humidity test
The whole product has passed the test of high-temperature 40℃, running for 24 hours; low temperature -10℃, running for 24 hours; high-temperature 40℃, high humidity and humidity above 90% running for 48 hours; high-temperature 70℃ storage for 24 hours; cold and hot -20℃ and Stored alternately at a high temperature of 70°C, each for 1 hour, cycled for 5 cycles.

Test in a constant temperature silent room
Each massage chair must be tested in a silent room after assembly, and the noise of the whole machine must reach the standard ≤50dB before it can be packaged and shipped out of the factory

Packing Material edge pressure test
The carton reaches the standard side pressure ≥900N, to ensure that every item is delivered in good condition and safe.

Paperboard bursting resistance test
The carton reaches the standard, breaking resistance ≥9kg

Transportation vibration, drop test
After the whole machine is packaged and placed on the vibration table, it simulates the vibration and drop test encountered during transportation. The number of vibrations is 14,200, the drop height is 0.8m, and it drops 6 sides. The product has no wear, breakage or abnormal function.