Polypropylene fiber
Universal polypropylene reinforcing fiber for adding to the solution.
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A modern method of increasing strength, impact strength and crack resistance, reducing shrinkage phenomena and abrasion of concrete is the use of polypropylene or basalt fiber. It provides volumetric reinforcement of concrete, while reducing labor costs for its processing.
We advise you to study: To replace fittings
Additives for concrete
The capabilities of the modern chemical industry make it possible to create additives that give concrete certain required properties. Additives are selected depending on what characteristics of concrete mixtures and concretes need to be obtained.
The Cemmix company produces a wide range of concrete additives. They come in a convenient liquid form and are easy to dose. The additives are economical, used in small dosages, provide a guaranteed effect, are safe for people and are compatible with all domestically produced cements. They are easy to purchase because they are sold not only wholesale from the manufacturer, but also in retail chains, including online stores.
Plasticizer Plastix
Plasticizers are used to increase the mobility of concrete mixtures, as a result of which it is possible, without changing the water-cement ratio, to obtain more plastic and easy-to-work mixtures, including cast self-placing concrete mixtures that do not require vibration treatment during installation.
This allows you to save labor costs, energy, and do without the use of special equipment for vibration processing.
The addition of the Plastix plasticizer prevents the mixture from separating and also allows long-term transportation of the finished concrete mixture.
The addition of the Plastix plasticizer reduces the number and size of air bubbles in concrete, so the density of the finished concrete increases, and along with the density, the strength, water resistance and frost resistance of concrete increase.
The use of plasticizers is economically justified because it allows the amount of cement in the mixture to be reduced to 10–15% without reducing the strength characteristics of the finished concrete, and mixing water is also saved.
Superplasticizers CemBase and CemPlast
Superplasticizers have plasticizing and water-reducing properties.
They differ from plasticizers in the presence of additional properties, in particular, CemBase and CemPlast increase the water resistance of concrete.
Hydrophobizing additive for concrete CemAqua
The polymer-based hydrophobizing additive CemAqua provides volumetric hydrophobization and makes concrete waterproof and frost-resistant.
Subtleties of application
All types of concrete additives should be diluted or dissolved in warm water. If the additive is mixed with cement-sand mortar in a liquid aggregate state, it begins to work immediately after addition.
The dry additive will begin to “work” only after complete dissolution and thorough mixing. The dosage of additives depends on the specific material, specific tasks and the requirements of the manufacturer’s instructions. In general, the amount of additives should not exceed 1% by weight of the binder (cement).
Plastix
Multifunctional plasticizing and water-reducing additive for concrete.
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By eliminating wetting of the concrete surface, CemAqua prevents the appearance of efflorescence and mold, increases the corrosion resistance of concrete, and reduces its thermal conductivity.
Important!
If it is necessary to use a water repellent and a plasticizer at the same time, the rate of additives (usually the maximum rate is 5% by weight of cement) is divided into both types of additives, for example, 30% plasticizer and 70% water repellent.
Specialized highly effective plasticizing and strengthening additive for pouring heated floors CemThermo
The CemThermo additive allows you to obtain an even, homogeneous screed with a smooth surface and without cracks.
Using CemThermo, you can pour screeds with a thickness of 3 mm or more, the strength and abrasion resistance of the screed increases. Due to the compaction of the mixture, it adheres better to the heating elements, which allows for a 10–15% increase in heat transfer.
Hardening accelerator CemFix
Usually, to accelerate the development of strength, fast-hardening cements are used or the proportion of cement in the concrete mixture is increased, which leads to additional costs.
The complex additive CemFix has a plasticizing and accelerating effect, allowing concrete to quickly achieve formwork strength. This allows you to increase equipment turnover, as well as save up to 15% of cement without reducing strength.
Antifreeze complex additives for concrete and mortar mixtures CemFrio and HotIce
If it is necessary to pour concrete at temperatures below +5°C, various methods are used to provide conditions for the concrete to gain strength. This can be measures to warm up the concrete or retain heat (“warm concrete”), or the use of special additives: hardening accelerators, salts that lower the freezing point of water in the concrete mixture.
The use of salts can negatively affect the condition of the fittings; Efflorescence may also occur.
Methods for increasing the strength of concrete
The mixture consists of water, cement, sand and filler (crushed stone, gravel). The following methods are used to increase the strength of concrete:
- Change in composition, and only the quantitative ratio of sand and cement is important . The more of the latter, the stronger the material. But this rule only works up to a certain point. There is a certain limit norm, and if you add more cement, it will have the opposite effect. The concrete will become brittle. The quality of cement and sand, their physical and chemical properties, and composition are also important.
- Reinforcement. The use of reinforcement leads to strengthening of structures. It can be dispersed, monolithic or mesh. The more reinforcement used in a product, the stronger it is.
- Use of chemical additives . These include ash, calcium chloride and industrial mixtures. Let's look at them in more detail.
Reinforcement significantly increases the strength of concrete
CemThermo
A specialized highly effective plasticizing and strengthening additive for pouring heated floors.
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CemFix
A highly effective accelerator is a complex additive for concrete and mortar mixtures requiring high early strength.
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A modern solution is the use of antifreeze additives CemFrio and HotIce in concrete mixtures, which allow concrete work to be carried out in frosts down to -20°C, while reducing the water requirement of the mixture, reducing cement consumption by 5–10%, protecting reinforcement from corrosion, and improving the adhesion of concrete to reinforcement, increase the turnover of equipment and materials for formwork.
Modern chemical additives for concrete mixtures make it possible to achieve the required characteristics of concrete without additional costs and labor, as well as save materials without reducing the strength of concrete.
You can buy CemPlast, CemBase CEMMIX without leaving your home, with discounts from 5 to 33%!!!!
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Popular Supplements
Domestic and foreign enterprises produce additives to improve the quality of concrete in industrial and retail containers. Dry mixtures are supplied in bags from 1 to 25 kg, in liquid additives in plastic containers with a capacity of 0.5 to 10 liters. Standard shelf life is from 6 to 12 months.
The most popular additives include the following brands:
- anti-frost plasticizers from Technonikol, Fort and Poliplast;
- waterproof superplasticizers from Poliplast;
- universal and waterproofing additives from ArmMix;
- foaming modifiers from Biotech;
- complex anti-delamination additives from Fort.
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Hyperplasticizer
Hyperplasticizers are a new type of plasticizing additives for concrete, ensuring the mobility of the mixture above P5. In addition to plasticity, they increase the water resistance and frost resistance of concrete by 2-3 times.
