Plastic-coated steel wire is a versatile material widely used in various fields of production and daily life. Its structure is quite simple, consisting of an internal steel core and an external plastic sheath. This combination provides the steel wire with outstanding advantages, such as excellent weather resistance, flexibility, and ease of use.
Structure of Plastic-Coated Steel Wire

With rust-resistant capabilities, plastic-coated steel wire consists of two main components:
Steel Core
- This is the primary load-bearing part of the wire, usually made from high-grade carbon steel or galvanized steel.
- The steel core can be a single strand or multiple strands twisted together, depending on the requirements for strength and flexibility.
Plastic Sheath
- The plastic layer is coated over the steel core, typically made from PVC. Additionally, it can be made from other types of plastic with good weather and chemical resistance.
- The sheath protects the steel core from corrosion and oxidation, while enhancing the aesthetic appeal and safety of the wire.
- The thickness of the plastic sheath can range from 1-3mm.
See more: What is steel wire rope? Applications of steel wire rope
Advantages of Plastic-Coated Steel Wire
High Durability
- Plastic-coated steel wire features high durability; the steel core has good resistance to bending, tension, and torsion.
- The plastic sheath protects the steel core from environmental factors such as water, chemicals, and UV rays, thereby extending the wire’s lifespan.
Corrosion and Oxidation Resistance

- The plastic sheath prevents direct contact between the steel core and corrosive agents. This ensures the wire does not rust, even in humid or chemical environments.
Ensured Safety
- The insulating plastic sheath provides safety for users when handling the wire.
Stable Quality
- High grip strength.
- Does not break or crack during the processing of B40 mesh or gabions.
- Color-fast with a PVC coating that contains anti-UV compounds.
Applications of Plastic-Coated Steel Wire
Plastic-coated steel wire has significant differences compared to regular steel wire, offering more benefits in specific applications. Below are the applications of plastic-coated steel wire:
In Construction
- Making B40 mesh, barriers, and safety nets.
- Tensioning mesh for construction site covers.
- Reinforcing concrete and making gabions.
In Agriculture
- Creating trellises for climbing plants and protective fences for gardens.
- Making mesh for livestock enclosures.
In Daily Life

- Making clotheslines and decorative fences.
- Creating mesh frames for balcony and window protection.
- Used as tie wire for binding objects.
In Industry
- Used as cable components in certain machinery.
- Used as material in the arts and crafts industry.
- Used for hanging hooks on mini cranes to lift and move objects.
In the Sports Field
- Making ball-stop nets.
- Making nets for various sports courts.
Notes for Using Plastic-Coated Wire
To keep plastic-coated steel wire durable and looking like new, you need to follow these principles:
- Minimize folding or twisting the wire, which can damage the internal structure, leading to reduced lifespan and strength.
- Use within the allowable load capacity, as exceeding it weakens the wire and poses safety risks.
- Like any other material, plastic-coated steel wire requires proper maintenance to maintain optimal performance. Additionally, periodic lubrication is essential.
Conclusion
Plastic-coated cable, with its combination of a load-bearing steel core and a protective plastic sheath, has proven superior flexibility and durability across many applications. We hope the information shared by Naltako helps you gain a better understanding of the product and use it effectively.

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