Plastic bags - sale, production

Plastic bags: HDPE and LDPE

In the modern world, plastic bags are an integral part of our daily life and industry. They are used in a variety of fields, from the packaging of products in supermarkets to the storage and transportation of goods on an industrial scale. Lightweight, inexpensive and easy to use, these packages have become so familiar that we rarely think about their origin and characteristics.

There are two main types of plastic bags classified by the type of polyethylene used: LDPE (high-pressure polyethylene) and HDPE (low-pressure polyethylene). These two types differ in their properties and applications, which makes them suitable for different needs. In this one you will learn more about plastic bags, their main characteristics, advantages and applications, and also we will understand what are the differences between LDPE and HDPE.

The basics of polyethylene as a material

What is polyethylene and how is it produced

Polyethylene is the most widely used synthetic polymer in the world, and its production is a key element in the chemical industry. At the molecular level, polyethylene consists of long chains of ethylene, a simple hydrocarbon. The process of its production begins with the polymerization of ethylene, which occurs at high pressure and temperature, using special catalysts. Depending on the polymerization conditions, various types of polyethylene can be obtained, each of which has its own unique properties.

General properties of polyethylene

Polyethylene has a number of common properties that make it extremely useful in a wide range of applications:

• Strength and flexibility: Polyethylene is resistant to tears and deformations, which makes it ideal for the production of packaging materials and containers.
• Chemical resistance: This material is resistant to most acids, alkalis and other aggressive substances, which makes it suitable for storing chemical products.
• Water resistance: Polyethylene does not allow water to pass through, which makes it useful for creating moisture-proof coatings.
• Thermoplasticity: Polyethylene can be melted and molded into various shapes, which makes it extremely versatile in production.

These properties make polyethylene a popular material in various fields, from household packaging to industrial applications. The ease of production and the possibility of recycling also make it a popular choice in many industries.

LDPE plastic bags

High-pressure polyethylene (LDPE) is a type of polyethylene that is produced at high pressure, which gives it certain unique properties. LDPE packages differ in the following characteristics:

• Transparency and glossiness: LDPE bags are usually more transparent and have a glossy surface compared to HDPE bags.
• Softness and flexibility: These bags are softer to the touch and elastic.
• Thin walls: LDPE bags are often thinner than HDPE bags at the same level of strength.

Application and features

LDPE bags are widely used in everyday life and in industry:

1. Retail: They are often used in stores to pack light goods such as food and clothing.
2. Food packaging: Due to its transparency, LDPE bags are ideal for packaging products, as they allow you to easily see the contents.
3. Packaging of medical products: Their use in medicine is also common due to their good barrier properties.

Advantages and disadvantages

Advantages:

• Resistance to tears and punctures, especially at low temperatures.
• Good transparency and aesthetic appearance.
The flexibility and softness of the material make it convenient to use.

Disadvantages:

• Lower strength compared to HDPE packages, especially at high loads.
• Sensitivity to high temperatures, which may limit their use in some cases.
• They may be less resistant to UV radiation.

HDPE plastic bags

Low-pressure polyethylene (HDPE) is a type of polyethylene obtained during polymerization at low pressure. HDPE packages have a number of distinctive characteristics:

• Density and strength: HDPE packages are more dense and durable compared to LDPE packages, which allows them to withstand higher loads.
• Matte and rough surface: They are usually less transparent and have a matte texture.
• Chemical resistance: HDPE bags resist the effects of most acids and alkalis well.

Application and features

1. Heavy Goods packaging: Their strength makes them ideal for packaging heavier goods, such as construction materials or bulky products.
2. Garbage bags: Due to their strength and tear resistance, HDPE bags are often used as garbage bags.
3. Industrial Packaging: They are also widely used in industry for packaging and transporting various materials and products.

Advantages and disadvantages

Advantages:

• High strength and resistance to mechanical damage.
• Good chemical resistance.
• Suitable for packing heavy and bulky goods.

Disadvantages:

• Low transparency, which may be a disadvantage if visual control of the content is necessary.
• The rigidity of the material compared to LDPE, which makes the packages less flexible.
• Higher cost compared to LDPE due to the complexity of production.

Comparative analysis of LDPE and HDPE packages

The main differences between LDPE and HDPE packages

Prices for plastic bags in Uzbekistan

The size of the package, the type of polyethylene (LDPE or HDPE), the density of the material, the number of pieces in the package - all this affects the final cost of plastic bags. For example, LDPE bags of size 50x70 cost from 7000 soums for a package of 10 pieces, and HDPE bags of size 100x120 start from 12000 soums for a package of 10 pieces. Prices are current for November 2023

Where to buy plastic bags in Uzbekistan

For the purchase of plastic bags in Uzbekistan, one of the convenient options is the trading platform Tovar.uz . This site collects offers from various sellers, offering a wide selection of plastic bags of different sizes, densities and purposes. Here you can easily compare prices, find out about the availability of the goods you need and place an order with delivery to a place convenient for you. The platform provides a choice of both wholesale and retail purchases, which makes it convenient for different categories of buyers.

In addition, you can also contact the manufacturers and suppliers of plastic bags directly. In the following table you will find a list of reliable suppliers of plastic bags in Uzbekistan.

Manufacturers and Suppliers of Plastic Bags in Uzbekistan

Where to advertise and sell plastic bags in Uzbekistan

You can use several effective channels to advertise and sell plastic bags:

1. Trading platform Tovar.uz : Here you can place your products with a detailed description and photos, covering a large audience of potential buyers.
2. Golden Pages: Placement of your company on the website goldenpages.uz will improve your visibility in the market. You can choose different advertising options: from the base page to the placement of banners and special offers.
3. Local trade fairs and exhibitions: Participation in trade fairs and exhibitions can help you find new customers and establish business connections.
4. Direct sales and deliveries to stores: Contact retailers offering packaging materials directly for the possibility of placing your products.

Demand for plastic bags in Uzbekistan

The demand for plastic bags in Uzbekistan remains stable and even tends to grow, despite global trends to reduce the use of plastic. This is due to their widespread use in retail, food industry and everyday life. Plastic bags are used for packaging food, clothing, household goods and much more, due to their strength, moisture resistance and affordable cost.
At the bottom there is an up-to-date statistics of visits to the category, which reflects user interest in this topic.