Product News

Polyester Rope (PET)

  • 31/05/2024

Let's explore what Polyester rope is. The advantages and disadvantages of this type of rope, along with its applications in daily life, are detailed in the article below.

For long-time users of ropes, do we feel that the rope products we are using are being increasingly diversified by manufacturers in terms of color, diameter, number of strands, packaging, winding methods, and materials used to make the ropes? The fact is that human needs are becoming more diverse, so diversifying rope products to best solve the problems users are facing is necessary. Polyester (PET) ropes are a new group of ropes that have been produced and popularized in Vietnam in recent years. Let's explore what polyester ropes are, the advantages and disadvantages of this type of rope, along its applications in daily life, through the article below.

1. What is a Polyester Rope?

1.1. What is Polyester?

To understand what polyester rope is, you first need to know what polyester is. Polyester, or polyester resin, is an unsaturated synthetic resin formed by a chemical reaction between a dibasic organic acid and a polyhydric alcohol. The most commonly used polyhydric alcohol is glycol (ethylene glycol, diethylene glycol, propylene glycol).

Physical Properties of Polyester:

  • Durability and Strength: Polyester is a fabric with high durability and strength, capable of withstanding wear and tear. It also has good abrasion resistance, making it an ideal choice for clothing and industrial applications.
  • Wrinkle Resistance: Polyester has high wrinkle resistance, making clothes less prone to wrinkling and easy to maintain their shape after washing.
  • Ease of Care: Polyester is easy to wash and dry at home. It dries quickly and does not require frequent ironing.
  • Stain Resistance: Polyester has good stain resistance, making clothes less prone to staining and easy to clean.
  • Moisture Resistance: Polyester has good moisture resistance, making clothes less likely to absorb water and dry faster.
  • Moisture Absorption: Polyester has low moisture absorption, meaning it does not absorb moisture from the body. This can make polyester uncomfortable to wear in hot weather or during intense physical activity.
  • Breathability: Polyester has low breathability, meaning it does not allow air to pass through the fabric easily. This can also make polyester uncomfortable to wear in hot weather or during intense physical activity.
  • Flammability: Polyester is flammable and can melt if exposed to high temperatures.
  • Recyclability: Polyester can be recycled, but the recycling process can be costly and energy-intensive.
  • Environmental Impact: The production of polyester can cause environmental pollution.

Chemical Properties of Polyester:

  • Polyester is a polymer, a long-chain molecule made up of repeating subunits. In the case of polyester, the subunits are esters, which are molecules containing a carbonyl group (C=O) linked to an ether group (C-O-C). The specific type of polyester most commonly used in textiles is called polyethylene terephthalate (PET).

Below are some important chemical properties of polyester:

  • Acid and Alkali Resistance: Polyester has good resistance to acids and alkalis. This helps polyester resist damage from detergents and other chemicals.
  • Oxidation Resistance: Polyester has good oxidation resistance, making it less prone to fading and damage from sunlight.
  • Heat Resistance: Polyester has good heat resistance, capable of withstanding high temperatures without deforming.
  • Flammability: Polyester is flammable and can melt if exposed to high temperatures.
  • Biodegradability: Polyester is not biodegradable, meaning it cannot naturally decompose in the environment. This can cause environmental issues.
  • Environmental Impact: The production of polyester can cause environmental pollution. The process of producing polyester generates greenhouse gases and other pollutants.

Hạt nhựa polyester (PET)

Image of polyester resin

Compare the physical and chemical properties of Polyester (PET) and Polypropylene (PP) plastics with Polyethylene (PE)

Properties

Polyester (PET)

Polypropylene (PP)

Polyethylene (PE)

Molecular Structure

Ester chain

Polyolefin chain

Polyolefin chain

Durability

High

High

Average

Chemical Resistance

Good

Good

Good

Heat Resistance

Good

Good

Good

Water Resistance

Good

Good

Excellent

Impact Resistance

Good

Good

Average

Transparency

Can be transparent

Opaque

Opaque

Moisture Absorption

Low

Low

Low

Recyclability

Recyclable

Recyclable

Recyclable

Cost

Average

Low

Low

Application

Bottles, containers, films, fibers, composite materials, ropes.

Food packaging, toys, pipes, fibers, films, ropes.

Plastic bags, food wrap, pipes, electrical wires, toys

 

1.2. What is Polyester Rope?

From the information above, you should have a general understanding of polyester resin, the material used to make polyester rope. Polyester rope is a type of rope made from polyester fibers, a synthetic polymer. It is one of the most commonly used ropes in the marine industry for mooring and docking. The rope has durability similar to nylon but with less stretch or elasticity (it is more rigid), and therefore, it does not absorb shock loads as well. It has excellent moisture and chemical resistance, outstanding abrasion resistance, and superior UV resistance.

Dây thừng polyester (PET)

2. Advantages and Disadvantages of Polyester Rope

Advantages:

  • High Durability: Polyester rope has high durability, withstands high breaking forces, and has good abrasion resistance.
  • Water Resistant: Polyester rope is water-resistant and does not rot or get damaged when exposed to water.
  • Chemical Resistance: Polyester rope can withstand many types of chemicals, including acids, bases, and solvents.
  • Heat Resistant: Polyester rope can withstand high temperatures without deforming or melting.
  • Easy to Maintain: Polyester rope is easy to maintain, and resistant to mold and insect attacks.
  • Lightweight: Polyester rope is lighter compared to other ropes with similar strength.
  • Softness: Polyester rope is soft and easy to handle.
  • Variety of Colors: Polyester rope is available in various colors.

Disadvantages:

  • High Cost: Polyester rope is more expensive compared to other types of ropes.
  • Low Moisture Absorption: Polyester rope has low moisture absorption, which can make the rope stiff and difficult to handle in wet conditions.
  • Flammability: Polyester rope is flammable and can melt if exposed to high temperatures.

3. Applications of Polyester Rope

Polyester rope is used in various applications, including:

  • Maritime Industry: Polyester rope is used for mooring ships, securing cargo, and equipment.
  • Construction Industry: Polyester rope is used for lifting and lowering materials, scaffolding, and safety ropes.
  • Industrial Applications: Polyester rope is used in industrial applications such as automotive manufacturing, machinery, and equipment.
  • Sports: Polyester rope is used in sports such as climbing, rowing, and skiing.
  • Agriculture: Polyester rope is used for tying bales, leading livestock, and making protective nets.
  • Daily Life: Polyester rope is used in daily life for tasks like clotheslines, tying up belongings, and pet leashes.

Dây thừng polyester (PET)

Application of polyester rope

 

4. Where to Buy Polyester Rope and What to Consider

4.1. Where to Buy Polyester Rope?

Compared to before, there are now many companies producing polyester rope both domestically and internationally with a variety of designs from colors, diameters, lengths, and tensile strengths, giving customers more options to meet their usage needs, ensuring work efficiency while optimizing costs. However, choosing where to buy polyester rope to ensure credibility, quality, reasonable prices, clear policies, and good service is not something many companies can meet. Therefore, the selection of where to buy rope is very important.

Siam Brothers Vietnam is a long-established and leading reputable manufacturer of ropes in Vietnam. Siam Brothers Vietnam Joint Stock Company, formerly known as Siam Brothers Vietnam Co., Ltd., with 100% Thai capital, was established in 1995. Siam Brothers Vietnam manufactures ropes with diameters ranging from 1.5mm to 120mm, tensile strength (breaking force) up to 60,000 kgf, and especially the ability to customize products (make-to-order) to meet European standards. Siam Brothers Vietnam is one of the largest rope manufacturers in Vietnam with a production capacity of about 10,000 tons/year and nearly 30 years of establishment and development. The quality management system ensures labor safety, human resources, environment, and product quality (detailed certificates can be found in the "QUALITY MANAGEMENT SYSTEM"). In addition to common pp and pe ropes for fishing with the famous chicken brand trusted by fishermen nationwide, Siam Brothers Vietnam also develops polyester ropes to meet customer needs.

4.2. Considerations When Buying Polyester Rope

When choosing to buy polyester rope, it is important to clearly determine the purpose of purchase. From there, select the appropriate rope for the intended use. The parameters to consider when choosing the right rope are the length of the rope, the load capacity, and the diameter of the rope. If you like colors, you can also consider the color factor to match your preferences.

Polyester ropes should be stored in a dry, cool place and away from direct sunlight.

When using polyester rope, safety measures should be followed to avoid accidents.

Contact Siam Brothers Vietnam immediately for advice on polyester rope products or other types of ropes such as pp, pe, etc.