Instructions for use of the plasticizer for concrete solution

To improve fluidity and elasticity of concrete in it add plasticizers.More recently they have been used only in high-rise construction, but today are increasingly used in the construction of individual housing.

reason is:

• reducing the amount of water needed for the preparation of the solution, so it is a more dense and frost-resistant,
• reduce the number of voids in the curable composition,
• saving of cement up to 15%,
• facilitatingbuilders working with stirring provibrirovanii concrete,
• possible to use concrete feed solution,
• increasing plasticity and fluidity of the solution several times lighter pouring it into the mold.

When using plasticizers solution reduces the risk of defects arising from the low-quality cement and stale, dirty gravel and sand.

Instructions for use

Plasticizers are available in the form of dry powder mixtures or solutions.Depending on the particular brand, they may be added at the initial stage in the preparation of concrete or ready solution.In the domestic construction market is the most common plasticizer brand c-3.It is also available as a dry mixture or in an aqueous solution.

plasticizer generally c-3 was added at the rate of 500-700 g per 100 kg of cement, or 0.5-0.7%.Assume the range 0.3-1.5% by weight of cement plasticizer.It is compatible with additives accelerating hardening, providing antifreeze and reinforcing effect.

1. In the case of the dry mixture, first preparing an aqueous solution of the required concentration, based on the recommendations of the manufacturer.To do this, use clean containers, the air temperature at the time of the preparation must be above zero.
2. order to obtain a plasticizer solution having a concentration of 35% of a mixture of 8% moisture content (value taken from the certificate), 38 kg of a plasticizer combined in the powder and 62 liters of water.Stir to obtain a completely smooth.
3. per 100 kg of dry cement prepared by taking 1.43 kg of plasticizer solution.Putting it together with the first portions of water.Mix ingredients in a concrete mixer better because they are more evenly distributed.
4. prepared plasticizer solution can be stored 6 months in airtight containers.Before further use of it must be thoroughly mixed.

In Europe and the United States, more than 90% is made of concrete with the addition of plasticizers and debate about their safety and the need to do not arise.Proper use of the plasticizer can significantly improve the quality of the concrete, and housing in general.