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How to Distinguish the Quality of 1 4 Nylon Coated Wire

2026.05.20

Author：1 4 nylon coated wire

The quality of 1 4 nylon coated wire is mainly judged from four aspects: coating uniformity, steel wire substrate strength, corrosion resistance, and dimensional accuracy.

1. Observe the coating uniformity and adhesion:

High-quality products have a smooth coating without bubbles or cracks, and the thickness is uniform. After repeated bending by hand several times, there should be no peeling or cracking.

You can lightly scratch the surface with your fingernail; inferior coatings are easily scratched.

2. Test the strength and flexibility of the steel wire substrate:

High-quality steel wire uses a high-carbon steel or stainless steel core, has high tensile strength, and is not easily broken after repeated bending.

You can take a section of wire and perform a 180° folding test; high-quality products can be repeatedly bent more than 10 times without breaking.

3. Assess corrosion resistance and weather resistance:

Nylon coatings have stronger corrosion resistance than PVC coatings, especially in humid environments where they are more resistant to aging.

You can place the sample in a humid and hot environment and observe whether it bubbles or changes color.

4. Measurement Accuracy and Consistency:

Use vernier calipers to measure the wire diameter at multiple points. The actual diameter should be within the range of 1.4mm ± 0.05mm. The smaller the deviation, the more stable the process control.

5. Comparison of Density and Feel:

For the same length, a higher specific gravity generally indicates better quality steel wire, as more material is used.

High-quality products have a smooth feel and moderate flexibility, while inferior products may be too stiff or too soft.

Qingdao Chenan Machinery Co., Ltd. has the advantage of developing and producing rubber winding equipment, with higher technology than various equipment assembly manufacturers in the industry. For more information about 1 4 nylon coated wire, please contact us.

Company: Qingdao Chenan Machinery Co., Ltd.

Address: Yanjialing Industrial Park, East Chengma Road, Tongji New Economic Zone, Jimo District, Qingdao City, Shandong Province

Email: qdcajx@gmail.com