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Anonymous users2024-01-241. Disassemble it to see whether the latex yarn inside is imported or domestic, and the import is better.
2. Test the tensile force, the more you can't pull the better.
3. I am a professional elastic band factory.
The elastic band is black, red, and hits the back of the sofa >>>More
fatigue testing equipment for furniture elastic bands;
Generally, testing equipment manufacturers call it elastic band fatigue testing machine; Its function is to determine the degree of fatigue change of the sample after the test is completed by setting the tensile length and number of stretches! >>>More
It is possible to block. Especially easy to card.
Won't block.
Elastic bands, like threads, can't be blocked at all. >>>More
The most intuitive is the price and brand, generally the price of good quality will not be cheap, and the quality of the brand similar to CBD is generally OK, at the same level, it mainly depends on the texture of the leather, resilience, feel and whether there is a peculiar smell!