Concrete Admixtures - Sika
The first step in optimizing concrete is to recognize that concrete is no longer simply cementitious materials, aggregates and water. It is a high performance material with not just four, but seven essentials – consisting of water, cementitious material, sand, gravel, chemical admixtures, additives and fiber reinforcement. 1 1 2 2 3 3 4 4 5 5 6 6 7
PCE based Super-plasticizers - Sika
HIGH PERFORMANCE WATER REDUCING AND RETARDING CONCRETE ADMIXTURE SikaPlast-222 PC CONCRETE ADMIXTURE FOR PRECAST CONCRETE SikaPlast-2400 AE WATER REDUCING AND RETARDING SUPERPLASTICIZING ADMIXTURE FOR CONCRETE SikaPlast-650 BH SUPERPLASTICIZING ADMIXTURE FOR CONCRETE Sika ViscoCrete-7000 R
Products | DCP
DonFiber ST300. High performance corrugated steel fibers for reinforcement of concrete and mortar. See More. DonFiber PP-F. High-performance fibrillated polypropylene fibers. See More. DonFiber PP Ultra. Ultra-fine, high performance monofilament polypropylene fibers.
Master Builders Solutions concrete admixtures – enabling ...
MasterFinish cleaner and release agent ensure void-free surfaces and reduce cleaning costs by about 30 % MasterEase plasticizer optimizes the rheology properties of high-performance concrete and accelerates production Reduced stickiness of the concrete minimizes equipment wear and lowers energy consumption by about 20 %
Use of Water Reducers, Retarders, and Superplasticizer
There are four types of superplasticizers: sulfonated melamine, sulfonated naphthalene, modified lignosulfonates and a combination of high dosages of water reducing and accelerating admixtures. Commonly used are melamine based and naphthalene based superplasticizers.
- Do superplasticizers & retarders increase workability and setting time of concrete?
- Superplasticizers (SP) and retarders are important to enhance the workability and setting time of concrete under hot weather, hence, an experimental investigation was conducted to determine the optimum dosage for the admixtures and to study the effect of over dosage of the mentioned admixtures.
- What is water reducing admixture & superplasticizer?
- As one of the concrete admixtures, water reducing admixtures and superplasticizers are usually used to reduce the mixing water volume and improve the performance of the harden concrete while maintaining better workability of the fresh concrete.
- Can water reducing admixtures and superplasticizers be used in reinforced concrete?
- Water absorption, frost resistance and permeability resistance of the concrete are mainly reviewed to discuss this influence on the durability properties of the concrete. Then, some suggestions on the application of the water reducing admixtures and superplasticizers in reinforced concrete structures and projects are proposed.
- Can retardant admixtures be used on ready-mix concrete?
- The additional dose of retarding admixtures not only delayed the concrete setting but also improved the compressive strength of the concrete. This implies that the use of an additional dose of retardant admixtures specifically tailored for ready-mix concrete is an effective option to avoid the return of ready-mixed fresh concrete. ...
- Is superplasticizer better than retarder?
- From the results of the study presented superplasticizer and retarder. However, very high dosages of both admixtures tends to impair the cohesiveness of concrete. admixtures. However, effectiveness is higher for superplasticized concrete. have a better cohesiveness w ithout segregation. However, at very high dosages, cohesiveness reduces.
- Which superplasticizer is best for precast concrete?
- PANTARHIT® F (FM) is a superplasticizer with accelerating properties suitable for producing ready-mix and precast concrete. PANTARHIT® FT100 (FM) is a high performance superplasticizer for producing high consistency concrete at low water/cement ratios in precast concrete plants.
