Selection of Superplasticizers for High-Performance Concrete
By only focusing on the solid content it is recommended to use naphthalene superplasticizers when compared with the melamine. The naphthalene superplasticizers are marketed with a solid content from 40 to 42 percent. The melamine superplasticizers are marketed for a solid content of 22 to 30 %.
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Superplasticizer: Types, Advantages & Disadvantages
Superplasticizers (SPs) are also known as high- range water reducers that are additive used in making high strength concrete. Plasticizers are chemical compounds that enable the production of concrete with approximately 15% less water content. Superplasticizers allow a 30% or more reduction in water content.
Concrete Water Reducer - Superplasticizers
7. Since the dosage of polycarboxylic acid superplasticizer is very small, the water reduction rate is high. The use of polycarboxylic acid superplasticizers to prepare various types of high-performance concretes above C45 can greatly reduce project costs and has significant technical and economic benefits; it is used to prepare concrete below C45, although the cost of polycarboxylic acid
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- What is a super plasticizer?
- Classification of Super Plasticizers 3. Uses. Super plasticizers are also called high range water reducers. They are of recent origin and relatively are more effective type water reducing admixtures. They were developed in Japan and Germany during 1960 and 1970 respectively. Chemically they are different from normal plasticizers.
- What is superplasticizer?
- Free-flowing, spray dried powder of modified polycarboxylic ether. Superplasticizer is especially optimized for plastification and water reduction of cementitious construction materials. Superplasticizer provides an excellent development of early strength.
- How to mix super plasticizer?
- You can also add Super plasticizer to the water 10-15 minutes prior to casting (until plasticizer dissolves in water), then mix with dry ingredients. Please note: Concrete minimum mixing time is 3 minutes with mechanical drill or 5 minutes with mortar mixer (it takes a few minutes until Super Plasticizer absorbs into the cement and start reaction).
- What are the benefits of super plasticizer?
- An increase in paste quality will yield higher compressive and flexural strength, lower permeability, increase resistance to weathering, improve the bond of concrete and reinforcement, reduce the volume change from drying and wetting, and reduce shrinkage cracking tendencies. Super plasticizer dosage is 0.5- 1 % by weigh of cementitious material.
- What is globmarble super plasticizer?
- GlobMarble super plasticizer is especially optimized for plastification and water reduction of cementitious construction materials. Super plasticizer provides an excellent development of early strength. Many important characteristics of concrete are influenced by the ratio (by weight) of water to cementitious materials (w/cm) used in the mixture.
- How many superplasticizer products are there?
- CN Jinan Zhuoer Science and Technology Development Co., Ltd Alibaba.com offers 6776 superplasticizer products. About 47% % of these are concrete admixtures & mortar admixtures, 23%% are polycarboxylate superplasticizer.
