Features and dimensions of reinforced film
Reinforced film is a polymer material used in industrial and private construction, household and agriculture. It is one of the most reliable and durable polymers produced on the basis of polyethylene.
What it is?
This material consists of two layers of polyethylene, between which a mesh frame is laid. Due to this structure, it is distinguished by high strength and resistance to stretching and tearing. Reinforcement of the material is made:
- polypropylene;
- polyethylene monofilament;
- high pressure polyethylene.
In the first case, polymer production will be the most expensive. The manufacturing technology implies a rigid fastening of the intersection threads, so the load on the material is distributed more evenly. In the production of reinforced films, Russian companies often use polyethylene monofilament (it looks like a thick line). A strong mesh is made from it, which is placed between layers 2 and 3 of polymer films. In the third case, an ordinary plastic film is cut into pieces and stretched on special equipment. The result is strong threads with enhanced molecular bonding.
Advantages and disadvantages
The material has significant advantages compared to other types of polymers. Main advantages:
- high light transmission, which is especially important when arranging greenhouses and greenhouses;
- mechanical strength and durability (depending on the loads and intensity of operation, the product will last from 3 to 6 years);
- good hydro and vapor barrier properties;
- lack of deformation;
- resistance to sunlight;
- resistance to temperature extremes, due to which this polymer can be used regardless of climatic conditions;
- easy installation due to elasticity and low weight (a roll of 200 MKM 4x25 m weighs about 20 kg).
Reinforced polyethylene does not delaminate under intense loads, which cannot be said about PVC. It is safe for health, as it does not contain toxic components. With its help, it is possible to create an ideal microclimate for plants inside the greenhouse. Webs of the material can be joined using tape or by soldering. The disadvantages of reinforced material include its high cost and weaker strength compared to glass.
Due to these features, it is not recommended to use it for the construction of capital greenhouses.
Main characteristics
Reinforced polyethylene film GOST 10354-82 is supplied in rolls with a width of 2, 3, 4 and 6 meters. The length of the roll is 12, 25 or 50 m. But with an individual order, the dimensions can be increased.
Main technical characteristics of the material:
- thickness 90, 100, 120, 140, 180, 200 or 400 microns (microns);
- operating temperature - from –40 to +90 degrees;
- light transmission capacity - not less than 80%;
- density - from 120 to 200 g per sq. m;
- resistance to wind load - up to 30 m / s;
- transverse tensile strength - up to 450 N.
The film coating is available in different mesh sizes. This indicator varies from 8x8 to 20x20 mm.
Applications
Compared to conventional plastic wrap, the reinforced product is more durable. The material has a three-layer structure and a frame, thanks to which it retains its shape when stretched. In case of accidental local damage to the web, further breaks are excluded. However, you will need to glue the film in order to continue using it without hindrance.
The high characteristics of the film contribute to its active use in the construction and agricultural sectors, as well as for solving everyday problems.
In construction
Reinforced film is used when it is necessary to close doorways in cases of interior decoration work. It is used to cover concrete when it hardens, to protect wood and other building materials from moisture and other adverse effects. It provides the required degree of waterproofing for roofing, foundation or facade work.
This material can be used to quickly build a temporary roof to hide from the rain or create a shelter to house construction equipment. A it also serves as a temporary protection of non-glazed window openings from the penetration of precipitation and cold.
In agriculture and everyday life
Reinforced film is widely used for solving various agricultural and household tasks. It serves as a shelter for garden tools, it is used to create durable sheds for transport, covers for various electrical and fuel equipment. It is used to cover vegetable crops in the beds to protect the crop from hail.
And since the film has excellent waterproofing properties, it is used in the construction of artificial decorative ponds and pools. Compaction of the soil of silos is also not complete without reinforced material. In addition, the film is used to cover greenhouses and greenhouse frames. It is covered with haystacks and rolls in order to prevent them from rotting when exposed to atmospheric precipitation.
Varieties
Reinforced material is produced using additives that determine the types of films. They are:
- light-converting - promoting easy penetration of sunlight, but preventing the exit of infrared radiation;
- light stabilizing - protecting shade-loving plants from the penetration of ultraviolet rays;
- antistatic - preventing the deposition of dust particles on the surface;
- hydrophilic - preventing condensation.
Films can have different shades, which is important to consider when choosing a material.
Manufacturers overview
Reinforced fabrics of domestic and foreign production are presented on the market. Covering material of various brands differs in technical parameters and price. Popular manufacturers include several companies and firms.
- "AgroHozTorg". Engaged in the production of canvases with Vural Plastik reinforcement. They are produced by the three-layer coextrusion method. During the manufacture of the material, improving additives are introduced into the raw materials for all its layers, increasing the longitudinal and transverse strength, as well as the durability of the web.
- Folinet. Korean manufacturer with production facilities in China and Korea. These industries produce films with a high-density polyethylene frame. The upper and lower layers of the canvases are produced using light stabilizing additives.
- "ZOZP" - Zagorsk Plastics Pilot Plant. Produces reinforced covering materials that are highly resistant to ultraviolet radiation. They have different fees and sizes.
- "Protect". A domestic company that produces a film that is reinforced with a cast plastic mesh. In terms of performance and technical characteristics, the material of this brand is not inferior to canvases from leading import manufacturers.
- Izospan. It is engaged in the manufacture of covering sheets that are resistant to UV radiation and wind loads.
- "Economy". A Chinese manufacturer offering the consumer budget covering materials.Improving additives are not used in the manufacture of the material, which is why it is advisable to use the film only in the construction of temporary structures.
Among gardeners and builders, reinforced canvases of the Polinet trademark (China and Korea), STREN (Russia), and Vural Plastic (Russia) are popular.
Selection Tips
Films reinforced with mesh are available in transparent, white and colored. If the material is planned to be used for the construction of greenhouses or greenhouses, the choice must be made in favor of a transparent or blue appearance. The transparent polymer will provide plants with maximum illumination.
When buying, you need to take into account a number of parameters.
- Dimensions. The most purchased materials are those with a width of 3-6 meters and a length of 25 meters. The format is selected in accordance with the dimensions of the future greenhouse, shed and other structures. Often the web has to be cut. Preliminary calculations will help reduce costs.
- Reinforcing material. Frames made of polyethylene, propylene and fiberglass have similar properties, but they differ slightly in price. Fiberglass-reinforced canvases are considered more durable.
- Density. For construction purposes, preference should be given to denser materials (from 180 to 200 g / m2). For the construction of greenhouses and greenhouses, it is recommended to choose canvases with a density of 120-140 g / m2 - they will transmit light well.
- The presence of a light stabilizing additive. It is recommended to choose materials with such an enhancer when using the film in direct sunlight. Radiation reduces the service life of the canvas - without light-stabilizing additives, the polymer will last from 6 to 12 months. With the addition of improvers, the service life increases to 2-4 years.
When choosing a material, you need to take into account the reputation of the manufacturer, as well as the availability of quality and fire safety certificates.
In the next video, you will find an overview of a reinforced polyethylene greenhouse.
The comment was sent successfully.