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Production of plastic bags is designed to create modern packaging for everyday and completely diverse purposes. It is impossible to imagine going to the store for groceries and things without using bags, and if you put a company logo on a bag or make it in a corporate style, then it will no longer be just a bag, but an effective advertising tool.

Today, plastic bags are used in almost every field of activity:

• Trade - the production of plastic bags with branded logos is ordered by both large supermarkets and small shops
• Automotive business - various car parts are packaged in plastic bags, and plastic bags for tires have also become a new product
• Banks, investments, leasing - these companies provide clients with various cards, certificates, corporate gifts, etc. in plastic bags.
• Arts, entertainment, media - plastic bags act as packaging for art objects, souvenirs, etc.
• Medicine, pharmaceuticals - in this industry, many goods and medical items are packaged in plastic bags

Also, plastic bags have become an indispensable packaging at all kinds of exhibitions, presentations and meetings, where handouts or gifts are given to visitors, clients and partners.

Manufacturing of plastic bags to order

There are two types of production of plastic bags:

• HDPE bags (low-density polyethylene bags) - such bags are often used by grocery stores, these can be packaging bags and T-shirt type bags, they are very spacious, have high load capacity and strength. They are made from environmentally friendly raw materials, so HDPE bags are used for packaging and freezing products, without losing the physical properties of the product. Features: matte, rough, rustling.
• LDPE bags (high-density polyethylene bags) - this bag is more dense, elastic and smooth. Such packages are often used at exhibitions, festivals, conferences, etc. LDPE packages have a more presentable appearance than HDPE packages.

Printing on plastic bags

The most important thing in the production of plastic bags is the raw materials and technology for applying paints, that is, high-quality printing on plastic bags. uses only environmentally friendly raw materials. Ready-made plastic bags can be used without any fear for storing food, used in everyday life, and so on. As for printing on bags, we use only high-quality inks, which will provide you with the expected result. We will produce bright and colorful plastic bags that will work for the image of your company. Order printing on plastic bags inexpensively and quickly from professionals - in the OFSET MOSCOW printing house!

Order plastic bags with logo

Contact us and we will select and produce packages for you that match the specifics of your activity. Moreover, the OFSET MOSCOW printing house guarantees low prices, comfortable production times, free delivery, and good-natured and helpful staff. Order plastic bags You can do it inexpensively with us.

Plastic bag with logo to order from 100 pcs➤ price

The price includes bags measuring 40x50(+3) cm, 50 microns thick, white with a die-cut reinforced handle.

Prices are for informational purposes only and are not a public offer.

• The package is 70 microns thick. + 2.50 RUR/pcs.
• Package 80 microns thick. + 3.50 RUR/pcs.
• Package 100 microns thick. + 5.00 RUR/pcs.
• When printing in silver or gold, as well as the presence of a solid or raster image in the layout, the cost increases by 15%.
• When printing on bags measuring 60x50(+4)cm or 70x60(+4), the cost of application increases by 20%.
• Colored package - the price depends on the color and density of the package.

To package sandwiches and fruits, the first packaging bag was made in America in the 50s. It turned out that this was convenient, and already in the 60s they began to sell bread in just such packages. Traditional “T-shirts” appeared on sale only in the 80s, but they have become popular all over the world since the early 2000s. And for good reason: the production of plastic bags is quite simple, the price of the product is low, and there are a lot of conveniences. Today we’ll “take a look” into the workshop and tell you how plastic bags are made.

Technology for the production of plastic bags

The production of polyethylene bags occurs in several stages:

• the extruder blows out a polyethylene “pipe”;
• the pipe is cut into pieces;
• glue the seams by welding;
• handles are cut out;
• drawing or coloring is applied on a special machine;
• After this, the products can be further laminated. Of course, this is not required for “T-shirts” and “packaging”, but for long-term options with handles and branded packaging it is important.

How the film appears

The polyethylene film from which the bags are made is produced by extrusion. First, polyethylene in the form of granular balls is loaded into the extruder hopper: there it melts at a temperature of 180-240 ° C, is pressed and blown through a round hole. The molten material rises under air pressure to the upper part of the extruder, where it is cooled and wound onto a drum. When the required footage has been wound, the film is cut and a new roll is started.

Important: if you immediately need to get an opaque film, then the dye is poured into the extruder hopper along with the granules.

Printing a drawing

To apply a picture or logo, you will need a machine: flexographic - for circulations of more than 3000 pieces or silk-screen printing - for circulations of 100 pieces or more.

What is the difference between silk-screen printing and flexography:

• A silk-screen printer applies a design using stencils, allowing you to quickly create bright and large images;
• The flexograph prints with highly elastic liquid inks. The machine consists of rollers on which soft polymer-printed forms are mounted. The dispenser supplies the paint, the roller is wetted with it, and then the drum starts rewinding the film. During rewinding, the film rotates the rollers, and they leave a bright, durable pattern on it.

The paint must be diluted with industrial alcohol and constantly stirred during operation so that it does not thicken.

Cutting and welding seams

The bag-making machine cuts the roll according to a given template, forms a fold on the side and on the bottom seam. A heating press at a temperature of 180°C seals these folds into the seams in just 2 seconds.

Sealing occurs according to a given seam size - this indicator is responsible for the strength of the bag, since the greatest load goes to the bottom.

Now the film has turned into a roll of blanks, and it is sent for cutting. To do this, the roll is pulled through an optical sensor: it marks the boundaries of each package, guided by the pattern and seams. Such a sensor is required when you need to apply logos or a certain picture in a certain part of the package.

A guillotine (hot knife) or a punching press cuts out products according to a template and also forms a handle. Depending on the template, the handles can be cut out; if this is the production of T-shirt bags, they can be cut to shape, for which a special attachment for the press will be required. The handles of “bananas” are reinforced: thick plastic of a similar color is soldered onto them.

That's all: finished bags are packed in 100 pieces, sent for quality control, and then to the warehouse.

To package finished products you will need plastic clips. To make them you will also need a special installation.

Equipment for the production of plastic bags

So, for a full cycle you will need the following machines for the production of plastic bags:

• extruder - “inflates” sheets 30-50 cm wide and 0.1 mm thick from polyethylene granules. Suitable piston, disc, single-screw and multi-screw extruders with a capacity of 40 kg/hour;

Warning: you can save money by buying a semi-manual machine and ready-made film, but in the end the cost of the finished product will be higher. With such a machine it will be possible to produce only “packing” and garbage bags - you won’t be able to go wild with the assortment. Therefore, companies with full-cycle production often have cheaper packages than those of semi-handicraft workshops, and the product line is wider.

• a bag-making machine, which has a built-in heating and cutting press, thermal needles, a photosensor - will make cutting and cut out handles (“T-shirts”, “bananas”, packages with a plastic clip, etc.);
• flexograph - prints a drawing;
• machine for lamination, drying and making clips.

The service life of the machines is about 10 years, if preventative maintenance is done on time.

A plastic bag production line requires a workshop system that maintains temperature control. This is necessary so that the resulting sheet cools and hardens evenly.

The workshop should have ceilings of 8 meters and an area of ​​approx. 150 sq. meters. To protect the health of employees, powerful ventilation is needed, since when polyethylene melts, it releases aggressive volatile compounds. Therefore, the workshop building itself must be located in a non-residential or industrial area. Equipment, placement, systems and organization of workplaces are checked for compliance with GOST 12.3.002-74, 12.2.061-81 and 12.3.002-74.

Raw materials and suppliers

Raw materials for the production of polyethylene bags must comply with GOST 10354-82 (it is necessary to undergo quarterly certification, providing produced samples for examination).

The best polyethylene for the production of bags is spherical granules with a diameter of 3-5 mm.

What are plastic bags made of:

• high-density polyethylene (HDPE)- it is high-quality, non-toxic, intended for the food industry. Used for the production of polyethylene bags for packaging. It is used to make “T-shirts”, bags with cut-out and loop handles. The product does not tear even from sharp objects and does not crack from frost. Complies with GOST 16337-77;
• low pressure polyethylene (HDPE) - there are both higher quality options with approval for contact with food, and standard HDPE for storing dry and bulk products. Such products can withstand a lot of weight and are often used to make garbage bags. They are not afraid of frost and chemical reagents, they comply with GOST 16338-85.

Compared to HDPE, LDPE is softer, more flexible and more pleasing in appearance, with a matte surface. HDPE is stiffer, denser, not as transparent and rustles.

In addition, all granules are divided by type into first grade and recycled polyethylene.

Bags made from recycled polymer are of worse quality, they are toxic, and it is prohibited to put food products in them. Recycled raw materials are only suitable for the production of garbage bags.

Granular polyethylene grades 10803-020, 15813-003 and 15313-003, produced in Russia (Kazanorgsintez PJSC, Tomskneftekhim LLC) and South Korean production, are popular among manufacturers.

The manufacturing process itself is simple. The main thing is to work before production begins: do not skimp on automatic equipment and high-quality raw materials. Recycled polymers and semi-automation often result in high production costs and time expenditures, which negate any initial savings.

Our company produces plastic bags with a high-quality logo, which are an attribute of corporate identity and are used by enterprises to promote a new brand. - a high-tech process that is performed on modern equipment using high-quality primary raw materials and consumables.

Printing Methods:

• Silkscreen printing (circulation from 100 pieces) - drawing a picture using stencils.
  The persistent dye at the locations of the printing elements penetrates into the printed material. Using silk-screen printing, large images can be printed with sufficient brightness. When making bags, a minimum of time is spent on this process.
• Flexography(circulations from 3000 pieces) - rotary printing based on liquid quick-drying inks using elastic printing forms mounted on cylinders with different circumferences.
  The process is quick, inexpensive and allows you to get a high-quality, very bright and durable logo. Profitable for circulation over 3000 copies

In the process of making bags, high, medium and low pressure polyethylene is used. Before printing, the product is exposed to electric current. After this procedure, the logo remains in its original form for as long as possible. The production of bags of various types is carried out using equipment of a certain model.

Bag making process

First stage making bags “Extrusion” is the process of converting granulated polyethylene into film.
Raw materials enter the production workshop in granules. The granules pass through the molding holes of the extrusion equipment, causing them to melt. The melted granules are sent for molding. During the molding process, the amorphous hot mass turns into a film, which cools, hardens, and then is wound into rolls.

Second phase- applying a pattern to the film.
Flexographic printing is applied to polyethylene, which is characterized by high productivity. In recent years, flexography has been widely used to apply designs to the film of future bags and packaging material. At the second stage of bag production, a special dyeing and printing machine is used.

Third stage- the roll is cut into a package.
Rolls of film with a finished pattern are cut into bags using special cutting machines. To manufacture various types of products, various models of high-tech devices are used, which also perform cutting and strengthening of handles. Automated machines are able to recognize cuts and welds, count and package finished products.

When making bags with a logo, products of various shapes are obtained, with different methods of attaching the handle.

Our company produces plastic bags:

• "T-shirt" type;
• high pressure with cutting handle;
• medium pressure with cutting handle;
• low pressure with cut-out handle.

Bags made from high-density polyethylene have an attractive appearance. They will not tear, even if there is an object with sharp edges inside. On finished LDPE products with a cut-out handle, the logo is applied using silk-screen printing. HDPE bags (matte and rustling) can withstand very heavy weight. They can accommodate bulky items. PSD products are characterized by high density. The design and size of products, the composition of raw materials and the method of applying the logo are selected based on technological capabilities, customer wishes, timing and circulation.

In this article:

Plastic bags are used everywhere: in supermarkets and stores, for standard and gift packaging, for storing food and removing garbage.

It is impossible to list all the areas of application of plastic bags. Gone are the days when our compatriots preferred to use rag bags, and plastic bags were carefully folded and stored. Today, a plastic bag fulfills its main purpose - to be a disposable means for packaging and comfortable transportation of products. This means that the demand for them will be stable and not prone to decline.

In addition to the obvious functions, packages have become a means of effective mobile advertising– after all, almost every large company, boutique or supermarket has a branded package with the company logo, a list of services and contact information, which are given out as a gift. And the client is pleased, and there is never too much advertising.

Analysis of demand for products (plastic bags) and sales market

According to statistics, there are enough unfilled niches in the domestic production market, because 20% of polyethylene products continue to come from foreign manufacturers. At the same time, the main competitors of domestic entrepreneurs are Turkish and Chinese-made bags, characterized by extremely low prices and appropriate quality. Torn handles, not completely soldered seams, falling out bottoms are just a small list of the “delights” of purchasing such products. But for our consumers, price has always been the decisive factor, so such competition takes place, especially in border regions.

However, this applies only to direct wholesale sales of finished products. It is much more profitable to work to order, concluding agreements for the supply of packaging materials and ready-made bags for various trade, manufacturing, construction and agricultural enterprises. This is where the “company image” rule comes into play: no self-respecting company will offer the buyer a product in low-quality packaging.

Polyethylene products are in demand in any region. Moreover, even if a large plant already operates in your city, medium and small businesses can freely find their niche by studying the offers of competitors. There are many types of plastic bags: banana bags, T-shirt bags, garbage bags, gift bags, promotional packaging with a logo, single-layer, multi-layer, various sizes, colors and shapes. The entrepreneur’s task is to find products with the highest demand, or to occupy a niche not covered by other manufacturers.

Choosing a strategy and legal registration of business

When starting the production of plastic bags, you can go in two ways:

• full cycle production (from film production to production of bags of any configuration);
• partial production (from purchasing finished film, applying images, cutting into shapes with subsequent soldering).

Let's consider the full cycle as a more promising type of business. Although such an enterprise will require more capital investments, sales opportunities, versatility of the products produced and, accordingly, profitability will be significantly higher. In addition, such an enterprise can become the same supplier of finished film for incomplete cycle production.

Possibility of using the finished film:

• universal packaging material,
• construction waterproofing,
• material for greenhouses, greenhouses and other needs of the agricultural sector,
• protection from pollution during construction or repair work.

The optimal organizational form for the production of polyethylene products is a legal entity on a simplified taxation system.

When registering an enterprise, you must indicate the following OKVED codes:

• 25.2 — Production of plastic products
• 25.22 — Production of plastic products for packaging
• 51.47 — Wholesale trade of other non-food consumer goods.

To start a workshop, you will need a production certificate, permits obtained from the local administration, the sanitary-epidemiological and environmental service, energy supervision, and fire protection. The production of film for plastic bags must comply with GOST 10354-82 (certification of cling film is required to be confirmed every 3 months). But in order to obtain such a certificate, you must run technological line(of course, after receiving all production permits), and provide the resulting samples for an expert opinion.

Premises for the production of plastic bags

The production of polyethylene film is an environmentally harmful production, therefore there are a number of specific requirements for choosing a room:

• the production workshop or mini-factory must be located in an industrial or suburban non-residential area;
• availability of supply and exhaust ventilation, heating and humidity control in the workshop and warehouse;
• three-phase electrical connection, grounding of batteries; - ceiling height of at least 8 m (extrusion machine height ~6 m), interior decoration of walls, floor, ceiling - from non-combustible materials;
• placement of production equipment in the workshop premises must comply with GOST 12.3.002-74;
• the presence of a fire protection system, the possibility of safe evacuation in case of fire;
• the organization of workplaces must comply with the requirements of GOSTs 12.2.061-81 and 12.3.002-74, as well as ergonomic characteristics in accordance with GOSTs 12.2.033-78, 12.2.032-78.

To accommodate a complex of production equipment, you will need a room of 300 square meters, which will be divided into three parts: a production workshop (180 m2), a warehouse for raw materials and finished products (80 m2), an office and an exhibition hall (40 m2).

Equipment for the production of plastic bags

For the production of polyethylene film with subsequent formation of bags, it is planned to purchase a production line consisting of the following equipment:

1) Extruder– converter of raw material granules into film (width 300-550 mm, thickness - 0.009 - 0.10 mm), using the bottom-up blowing method. Productivity – 40 kg/hour;

2) Flexo printing machine– for printing drawings, logos and other images;

3) Plastic Packaging Clip Making Machine;

4)Multifunctional bag making machine, with a built-in punching press, equipped with a servo drive, photosensor, conveyor, thermal needles, and allowing the production of packages of various modifications, incl. T-shirt, banana, double bottom seal bags, garbage bags, food packaging with plastic clip, etc.

The cost of the production line with delivery, setup, personnel training and signal launch is RUB 3,840,000.

In addition to machines, it is planned to purchase office, exhibition and warehouse equipment (racks, boxes, boxes, tables, stands) for storing raw materials, finished products and equipping workplaces for personnel. The cost of additional equipment for the workshop is 60,000 rubles.

Raw materials for the production of polyethylene bags

Polyethylene film is made from first grade or recycled polymer granules.

Two types of raw materials are used:

• HDPE (low-density polyethylene, GOST 16338-85), for contact with bulk and dry products;
• LDPE (high-density polyethylene, GOST 16337-77), intended for food packaging).

The cheapest raw material is South Korean granulate (~ $380 per ton), but there are many other types of domestic or foreign production, with a price range from $420 to $750 per ton. To produce colored film, special dyes are added to the raw materials ($15-50 per 1 kg).

At production of garbage bags or other types of non-food film, you can also use recycled granulate, which is much cheaper because it is made from polyethylene waste, but the quality of such raw materials is correspondingly low.

Technology for the production of plastic bags

1. Polymer granules are loaded into extruder hopper, from where they are picked up by the feed auger. Here the temperature is maintained from 180 0 C to 240 0 C and as they move, the granules heat up, melting into a homogeneous mass. As a result of extrusion, a polyethylene film is formed in the shape of a pipe (sleeve). One extruder can produce film of various thicknesses and widths through special settings.

2. The polyethylene “pipe” is gradually cooled, then rolled out with rollers.

3. The sleeve is cut with an automatic knife so that two identical strips of the required width are obtained.

4. The winder winds the film into rolls (cuts are packaged separately for recycling). When the roll width reaches the set size, the roll is moved away with the help of the operator and the next one begins to be wound. And so on until the end of the produced film.

5. Drawing. The paint is diluted with alcohol and constantly stirred so as not to lose viscosity.

6. Using a dispenser, the dye is supplied to special ink rollers, which print the design. After printing, the film is again wound into rolls.

7. The finished roll enters the bag-making machine, where a template for future bags is formed and the bottom fold is highlighted.

8. A stamping press makes holes for the handles (cuts out the “t-shirt”, cuts off the top for attaching a plastic fastener - it all depends on the template).

9. The welding surface connects the edges, sealing them by heating up to 180 0 C. The finished bags are formed into packs of 100 pieces.

10. Quality control. Checking the soldering of seams and fasteners.

Business plan for the production of plastic bags

The cost of manufacturing plastic bags is calculated individually for each order, since in addition to the price of the granulate used, it depends on a number of additional factors:

• size, shape, package design,
• film density,
• the presence of a reinforced handle and bottom fold,
• color printing (number of shades involved, pattern area, presence of complex registrations, one-sided, two-sided printing, etc.).

To calculate the payback of a business project, let’s take the production of white opaque bags with a die-cut handle, 40 cm wide, 60 cm high and a side fold thickness of 16 microns.

The cost of such a package made from HDPE granules is 0.13 kopecks, and the wholesale selling price is 0.70 kopecks. Considering that the production capacity allows the production of about 70 pieces/minute, then with one-shift work and 22 working days, the profit will be: 60 min * 8 hours * 22 rubles/day * 70 pieces (0.70 - 0.13 rubles) = 421,344 rubles/month.

Expenditure part:

• rent of a production workshop (300 m 2 *150 rub./m 2) = 45,000 rub./month,
• electricity – 8,000 rub./month,
• heating (for 6 months of the heating season, divided equally into all months of the year),
• water and other utilities – 12,000 rubles/month,
• staff salaries (6 people: director, accountant, technologist, 3 workers) – 128,000 rubles/month.,
• income tax (15% of profit minus expenses) – 34,252 rubles/month.

Total expenses: 227,252 rubles/month.

Net profit: 421 344 – 227 252 = RUB 194,092/month.

Profitability calculation:

Initial investment (RUB 3,930,000):

• purchase of equipment - RUB 3,840,000,
• additional equipment – ​​60,000 rubles,
• costs for documenting production (opening a law firm, obtaining the necessary permits and product certification) – 30,000 rubles.

With an estimated profit of RUB 194,092/month, the initial investment will pay off in 1 year and 9 months.

It should be borne in mind that the calculations were based on one of the simplest options for finished products, but everything depends on demand and sales opportunities in your region. For example, the selling price of color packages of the same parameters will be higher by 15%, with one central single-color image - by 34% (with an increase in cost of 5 and 10%, respectively). In addition, the company can accept orders for the production of LDPE or HDPE packages according to individual designs, and the profitability of such projects is much higher.

The Spectr Pro-Active company, a direct manufacturer of polyethylene products, offers to order wholesale packaging with your own image in Moscow and the Moscow region with further delivery. Product production is the main direction of our work.

Urgent printing

You can order from us the urgent creation of packaging products from film with images in different editions, and large ones - from 50 thousand pieces. For quick application, silk-screen printing is used (an expensive method). As a result, you are provided with a high-quality, reliable and versatile product at fairly affordable prices.

Our advantages

• Fast order processing. We can produce products in the shortest possible time if the customer needs it.
• Right price. In our company “Spectrum Pro-Active” you can order products with a logo cheaply. The cost depends on the type of package, the number of copies, and the complexity of the logo, but as a result, the price of the product is considered by our company to be one of the most profitable on the market.
• Full range of offers: from creating a template to delivering ready-made packages.

You can clarify the specifics of selecting products for a specific purpose and place an order for products with a design or printing on products from our employees by calling the numbers listed on the website.

What film materials do we use for production?

The Spectr Pro-Active enterprise produces packaging using the following film materials:

1. High pressure (HHP);
2. Low pressure (LPP);
3. Medium pressure (MPD);
4. Multilayer film (COEX).

The high-pressure film is similar to wax upon tactile contact. It has little strength and is translucent. As for service characteristics, LDPE is resistant to compression, separation, and resistant to mechanical defects from sharp objects. In any case, this material is quite easy to pull out. Typically, fashion products are made directly from high-pressure film. For presentation or promotion, it is recommended to use high-pressure film packaging.

Low-pressure film is the most durable, bags made from it are made thinner, less energy is spent on them, and subsequently the price of these products is noticeably lower. In addition, these packages have a high tensile density. The disadvantages of HDPE products are their appearance, difficulties in printing full-color images with high resolution, and fairly rapid wear of polyethylene. This packaging is considered suitable for numerous applications.