The Advantages of Using PVC Coated Iron Wire for Clothes Hangers


Published on:

2024-01-25

PVC coated wire made of high quality iron wire(Q195/Q235), galvanized wire or black annealed wire,and features a PVC coating on its surface that offers superior rust and corrosion protection, along with a range of color choices. The PVC coated wire is a high cost-performance material for producing clothes hangers.

The Advantages of Using PVC Coated Iron Wire for Clothes Hangers


1.Introduction and specification of PVC coated wire

2.Feature of PVC coated wire

3.Types of PVC coated wire

4.Compared with galvanized iron wire and black annealed wire 

5.Manufacturing process

6.Conclusion


1.Introduction and specification of PVC coated wire         

PVC coated hangers are the most commonly used type of clothes hangers in people's daily lives. What advantages and properties do PVC coated clothes hangers have?

To unravel the mystery, the first thing we need to know is:"what are PVC coated hangers coated with?"

►The PVC coating of the PVC coated wire is a mixture of polyvinyl chloride (PVC) resin and other additives that enhance the properties of the PVC coated hangers. These additives can include plasticizers to make the PVC coated hangers more flexible, stabilizers to prevent degradation from sunlight and heat, and fillers to improve strength and durability. The coating may also contain colorants to provide various colors for the PVC coated hangers.

Therefore,the PVC coated hangers are made of PVC coated wire that inner raw material is high quaity q195/q235 iron wire or galvanize wire,outer coated with a layer of polyvinyl chloride (PVC) to  add an additional layer of protection against corrosion, provide insulation and a smooth outer surface.

PVC Coated Tension Wire Brand SUNSHINE

Materials before PVC coating:

iron wire, galvanized wire, annealed wire, etc.
Surface:  plastic coating.
Color: green, blue, gray, white and black; other colors also available on request.
Average tensile strength: 350 N/mm2-900 N/mm2.
Elongation: 8%-15%.
Wire diameter before coating: 1.0 mm-3.5 mm (11-20 gauge).
Wire diameter with coating: 1.4 mm-4.0 mm (8-17 gauge)
Thickness:  0.4 mm-0.6 mm
Wire diameter tolerance: ±0.05 mm.

       

       

►The wire diameter about PVC coated wire clothes hangers

The hook diameter of the PVC coated wire hangers is usually 3mm,the wire diameter of the PVC coated clothes hangers is from 1.6mm to 3.8mm.

Below are the commonly used sizes for PVC coated wire; SUNSHINE Group can customize PVC coated wire of the appropriate wire diameter for you based on customer needs.

Wire Gauge

SWG(mm)

BWG(mm)

Metric(mm)

8

4.05

4.19

4.00

9

3.66

3.76

4.00

10

3.25

3.40

3.50

11

2.95

3.05

3.00

12

2.64

2.77

2.80

13

2.34

2.41

2.50

14

2.03

2.11

2.50

15

1.83

1.83

1.80

16

1.63

1.65

1.65

17

1.42

1.47

1.40

18

1.22

1.25

1.20

19

1.02

1.07

1.00

20

0.91

0.84

0.90

21

0.81

0.81

0.80

22

0.71

0.71

0.70


2.Feature of PVC coated wire

►What is the use of PVC plastic coated in the PVC coated wire?

Moisture Resistance: PVC is resistant to moisture, which makes the PVC coated clothes hangers suitable for outdoor use or damp environments like bathrooms.

Strength and Stability: PVC coated wire clothes hangers provides strength and hardness that can support the weight of heavy garments without bending or deforming.

Longevity: PVC coating of PVC coated wire clothes hangers is a long-lasting material that does not easily break down, ensuring the PVC coated hangers maintain the shape and functionality over time.

Rust proof: The PVC coating provides a barrier against moisture and chemicals that can cause the underlying metal wire to rust. This makes the PVC coated clothes hangers easily used in outdoor applications or environments.

Customizability: The PVC coating on PVC coated clothes hangers can be customized in terms of color to suit different aesthetic preferences or branding requirements.


3.Types of PVC coated wire     

The materials used inside PVC coated wire can include iron wire, black annealed wire, or galvanized wire, each with different raw material costs. However, all these types provide features like flexibility, rust resistance, and strength, which are ideal for manufacturing PVC coated clothes hangers.


 

4.Compared with galvanized iron wire and black annealed wire 

PVC Coated Wire:

Corrosion Resistance: The PVC coating provides excellent protection against corrosion and rust, making PVC coated clothes hangers suitable for use in various environments.

Insulation: PVC is an electrical insulator, which is beneficial for PVC coated clothes hangers that may come into contact with electrical elements.

Aesthetics: PVC coated wire can be colored, allowing for a more aesthetically pleasing design.

Durability: The PVC coating adds an extra layer of protection, increasing the lifespan of the PVC coated clothes hanger.

Galvanized Iron Wire:

Rust Prevention: Galvanized wire has a zinc coating that prevents rusting, although not as comprehensively as PVC coating clothes hangers.

Cost: Galvanized wire is generally less expensive than PVC coated wire.

 

Black Annealed Wire:

Flexibility: Black annealed wire is softer and more pliable, making it easier to shape into clothes hangers.

Economical: Black annealed wire is usually the most economical option among the three wires.

Limited Protection: While the black annealed wire resists rust in ordinary conditions, it does not have the same level of corrosion resistance as PVC coated wire or galvanized wire.


5.Manufacturing process

Wire Drawing:

The process begins with wire drawing, where raw metal (usually high quality wire rod SAE1008) is drawn through a series of dies to reduce its diameter and achieve the desired thickness.

Annealing:

The drawn iron wire is then subjected to an annealing process to relieve internal stresses and improve its ductility. This involves heating the iron wire and allowing it to cool slowly.

Cleaning:

The wire undergoes a cleaning process to remove any impurities, oils, or residues that may be present on the surface. This step is crucial for ensuring proper adhesion of the PVC coating.

Coating Preparation:

Polyvinyl chloride (PVC) is prepared in a liquid or powder form. The PVC coating material may contain additives to enhance specific properties such as flexibility, UV resistance, or flame retardancy.

Coating Application:

The prepared iron wire is then coated with PVC using a variety of methods. Common methods include dip coating, where the iron wire is immersed in a PVC bath, or extrusion coating, where molten PVC is applied directly onto the iron wire through an extruder.

Hanger Forming:

The PVC coated wire is then fed into a machine that shapes it into the form of the hanger. The machine may bend the PVC coated wire into the familiar triangular shape, and any additional features like a hook or notches may also be formed.


6.Conclusion

PVC coated wire is the most frequently used material for manufacturing clothes hangers. PVC coated wire provides benefits such as rust and corrosion prevention, various colors, and strength, which makes PVC coated wire well-suited for PVC coated hanger production. Although PVC coated wire is more expensive than galvanized wire and black annealed wire, PVC coated wire offers better rust and corrosion resistance, resulting in an extended lifespan.

SUNSHINE Group boasts over 20 years of experience in PVC coated wire production and is capable of producing high-quality PVC coated wire in a range of specifications and colors. Should you have any further inquiries, please contact us.

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