Superplasticizer - an overview | ScienceDirect Topics
29.7 Ultra-high strength concrete29.7.1 High-range water reducers. Powerful superplasticisers may be used to achieve w/c ratios below 0.3, and very high strengths. These mixes have very good durability, and permit fast construction of very tall buildings. However, the modulus of elasticity may not increase as much as the strength.
Plasticizers | ExxonMobil Product Solutions
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Ultra High Performance Super-plasticizer
Ultra High Performance Super-plasticizer Product Description Sika Viscocrete-50 is a third generation super-plasticiser for concrete and mortar. It meets the requirements for high range water reducing super-plasticisers according to EN 934-2 Uses Sika Viscocrete-50 is especially suitable for the production of concrete mixes
Our Products - Asian Laboratories
Melamine based super plasticizer. CEMWET – SP 300 (M) Melamine based super plasticizer. CEMWET – SP – 3000 (NR) High range water reducing super plasticizer for long retention of slump. CEMWET – SP 3000 (SR) High performance Super plasticizer PC based. CEMWET – SP 3000 (RMC) Super plasticizer for ready mix concrete plant.
Superplasticizer for High Strength Concrete - ResearchGate
Hence to improve the workability, durability and the ultimate strength of the concrete, high performance concrete (HPC) with super plasticizers and pozzolans are used.
- What is a superplasticizer used for?
- Superplasticizers (SPs), also known as high range water reducers, are additives used for making high strength concrete or to place self-compacting concrete. Plasticizers are chemical compounds enabling the production of concrete with approximately 15% less water content. Superplasticizers allow reduction in water content by 30% or more.
- Which superplasticizer admixture is better?
- Based on the findings, out of three superplasticizers, PC—based admixture showed a better improvement in strength aspects compared to other mix. Compressive strength of UHPC (a) SNF admixture (b) SMF admixture (c) PC admixture
- What is the difference between a plasticizer and a superplasticizer?
- Plasticizers are chemical compounds enabling the production of concrete with approximately 15% less water content. Superplasticizers allow reduction in water content by 30% or more. These additives are employed at the level of a few weight percent. Plasticizers and superplasticizers also retard the setting and hardening of concrete.
- What is a superplasticizer (PC)?
- PC consists of a family of products with different chemical structures and acts as a single unit. Generally, all superplasticizers are synthetic polymers, and each type possesses varying characteristics including the percentage of water reduction, retardation, molecular weight, chemical substitution, and cost.
- What is polycarboxylate superplasticizer (PCE)?
- Polycarboxylate superplasticizer (PCE), the third generation of high-performance superplasticizer, follows the development of ordinary plasticizers and superplasticizers. It significantly reduces water content while enhancing concrete's workability, strength, and durability.
- Do superplasticizers affect the performance of UHPC?
- In the present study, the influence of superplasticizers on the performance of UHPC has been examined through fresh and hardened properties. Different types of superplasticizers such as SNF based—Hi-plast S50, SMF based—BPC—M20, and PC based—Master Glenium 51 were used.
