Retarder Cement Admixture

Advantages of using RXSOL Cement Retarder Admixture:

• Retarding admixtures extend the setting time of concrete and maintain the workability and cohesion for extended period of time
• In the large construction projects, concrete retarder prevents cold joints formation in successive lifts and make concrete workable throughout the concrete placing
• With the use of concrete retarders, you can compensate for the accelerating effect of high temperature towards the initial setting time and minimise risks of long-distance delivery in hot weather.
• Use of retarding admixtures improves pumpability of concrete by delayed setting period and improved workability of concrete.
• Concrete retarders help to reduce segregation and bleeding in concrete in which poor sand grading is unavoidable.
• It improves the workability of concrete.
• The appearance of the concrete is greatly improved.
• Drying shrinkage and creep rate are also increased.

Good control of water content and setting time helps concrete to gain full strength and power.  Our WATER Reducing Super Plasticiser RXSOL-67-6706-220 is absolutely free from CHLORIDE content.

Proper doses of WATER Reducing Super Plasticiser RXSOL-67-6706-220 ensures that workable in excess 3 hours at +20°C. Workability loss is dependent on temperature, and on the type of cement, the nature of aggregates, the method of transport and initial workability.

Concrete should be properly cured particularly in hot and dry climates.
 

Why RXSOL Cement Retarder is the best?

• To improve the effectiveness of the water content of a concrete mix
• To help maintain the workability of ready mixed concrete deliveries in hot weather at usable levels.
• To extend working times of concrete and minimise problems of delay in transportation
• Particularly suitable for use in mixes with low cohesion.

• Water reduction significantly improve compressive strengths at all ages and enhances durability through the production of low permeability concrete
• Controlled retardation extends working life and stiffening in time for ease of construction
• Control of stiffening improve slip forming and assists in preventing the formation of cold joints in large pours.
• Minimised transportation delay problems, maintains place ability and reduces
• Slight air entrapment improves cohesion in mixes with poorly graded sands or a lack of fine material, minimising bleed and segregation.
• Allows specified strengths grades to be met at reduced cement content or increased workability.
• Chloride free, safe for use in pre-stressed and reinforced concrete.

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Difference between Cement Retarder and Cement Accelerator

 

Retarding Admixtures

Retarding admixtures helps and work as water reducing agent and Cemenrt retarder keep concrete workable during placement and delay the initial set of concrete. Chemically retarder slow the setting rate of concrete, are used to counteract the accelerating effect of hot weather on concrete setting. High temperatures often cause an increased rate of hardening which makes placing and finishing difficult. Retarders keep concrete workable during placement and delay the initial set of concrete. Most retarders also function as water reducers and may entrain some air in concrete. Retarder use for increase setting time of cement.

Accelerating admixtures

Accelerators make concrete set faster rapidly after mixing with concrete. This product can be added to a concrete batch either immediately before or during mixing to kick the set time of a batch of concrete into high gear and initiate setting time one to three times faster than normal mortar and concrete. On the other hand Accelerating admixtures increase the rate of early strength development, reduce the time required for proper curing and protection, and speed up the start of finishing operations.  Chloride Free and Accelerating Compund for Concrete and Mortar. Accelerator is use for reduce setting time.

Accelerating admixtures are especially useful for modifying the properties of concrete in cold weather.

Retarder Cement Admixture manufacturer distributor in Mumbai Kandla Chennai Kolkata Visakhapatnam INDIA. Get premium quality of Cement Retarder Admixture from Retarder manufacturer supplier in Dubai Sharjah Ajman Fujairah Abu Dhabi Ras Al Khaimah Muscat Barka Salalah Sohar OMAN.

Cement reacts with water to form a hardening paste that binds the aggregate together to produce hard concrete. This hardening process is called hydration. And materials used to slowing down hydration process is called Retarder.