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The exterior of the Self-locking Nut Working Principle is usually made of PVC material, which has the following characteristics: 1. Weather resistance: PVC material has good weather resistance, can resist the erosion of external environment such as ultraviolet rays, oxidation, acid and alkali, and is not easy to age and change color. 2. Wear resistance: PVC material has high wear resistance, can resist friction and scratches from external objects, and is not easy to scratch and damage. 3. Good waterproof performance: PVC material has good waterproof performance, which can effectively prevent moisture from penetrating into the hose bracket and protect the hose from the influence of humid environment. 4. Flexibility: PVC material has good flexibility and elasticity, can adapt to hoses of different shapes and sizes, and is easy to install and use. 5. Light weight: PVC material is relatively light, and the hose bracket made of PVC material on the outside of the bracket is light in weight…

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