Don Construction Products Bulgaria EAD. Sales office. Monday - Friday: 9:00 - 17:30. Sofia 1582, Bulgaria. 152 Prof. Tsvetan Lazarov blvd. Techno Park Sofia. Tel.: +359 2 870 2782; +359 2 870 2761. [email protected]. Technical support +359 2 870 27 82. ... Concrete Admixtures ...

Berger Fosroc are the pioneers in providing a range of concrete admixtures, liquid additive, added to concrete to enhance the quality and properties of concrete in both the plastic and hardened stages, which eventually help in achieving the desired durability in concrete structures. Our products comply with IS 9103, IS 2645, ASTM C 494 BSEN 934 ...

Ha-Be is an internationally operating manufacturer of concrete admixtures, concrete colours and surface protection systems. In more than 40 years, the family-owned company has delivered products to numerous ready-mix, precast and manufactured concrete goods pro-ductions. Having high-quality products, possessing many years of experience in concrete

This document discusses commonly used chemical admixtures for concrete. It is targeted to anyone who needs a basic understanding of the role, function, and benefits of chemical admixtures. This document is not intended to be a state-of-the-art report, user's guide, or a technical discussion of past and present research findings.

Research since 1979 on sealers, coatings, and concrete containing admixtures is summarized. A test procedure developed during a National Cooperative Highway Research Program project, "Concrete Sealers for Protection of Bridge Structures," was used. This test method uses 10 cm cube specimens, and water absorption and chloride ion penetration is ...

Concrete Admixtures; Surface Treatments; Grouts & Anchors; Concrete Repair; Flooring Systems; Protective Coatings; ... since we first started developing cement waterproofing materials and chemical construction products in 1927, we have gone on to research, develop, and manufacture hundreds of innovative construction products. ... info.bulgaria ...

Concrete Admixtures; Surface Treatments; Grouts & Anchors; Concrete Repair; Flooring Systems; ... To provide protection for concrete substrates and masonry against carbon dioxide, chloride ions, water and de-icing salts. ... Techno Park Sofia, fl. 3; Sofia 1582, Bulgaria; Telephone +359 2 870 2782, +359 2 870 2761. Products. Concrete ...

CONCRETE ADMIXTURES For Readymix, Precast and Manufactured Concrete Products. Plasticizers, superplasticizers, retarders, stabilisers, air-entraining agents, accelerators, ing agents, curing compounds, and waterproofing …

Fosroc are the pioneers in providing a range of concrete admixtures, liquid additive, added to concrete to enhance the quality and properties of concrete in both the plastic and hardened stages, which eventually help in achieving the …

Concrete Admixtures Flocrete. Antifreeze FS . How to Videos See more. Tile Adhesives & Grouts ... Don Construction Products Bulgaria EAD. Sales office. Monday - Friday: 9:00 - 17:30. Sofia 1582, Bulgaria. 152 Prof. Tsvetan Lazarov blvd. Techno Park Sofia. Tel.: +359 2 …

Sika product range includes high-quality concrete admixtures, specialty mortars, sealants and gaskets, and silencing reinforcing materials, systems for strengthening structures, industrial …

The concrete admixtures market in Bulgaria is growing as the construction industry seeks to improve the performance and durability of concrete. Admixtures are chemicals added to …

The different dosage rate of the product is an optimal for Bulgarian cement used for testing. International Scientific Journals of Scientific Technical Union of Mechanical E ... Shrinkage compensating concrete admixtures – a necessity to start a standardization, XXI International Scientific Symposium "Metrology and Metrology Assurance ...

Chemical admixtures that add air to the concrete mixture, causing round air bubbles in the concrete. As cold weather exposure conditions become more severe, more air is added. Main Benefits. Better freeze-thaw resistance; Increases durability; Improves workability; Available Cemex Products

Ha-Be is an internationally operating manufacturer of concrete admixtures, concrete colours and surface protection systems. In more than 40 years, the family-owned company has delivered …

Keywords: admixture (water-reducing); admixtures; concrete. DOI: 10.14359/9901. Date: 7/1/2000. Abstract: Chemical admixtures play a central role in modern concrete materials and technologies. In conjunction with mineral additives such as silica fume, chemical admixtures have enabled major improvements in many of the properties of concrete ...

To minimize the potential detrimental effects of drying shrinkage on concrete, innovative admixtures that reduce drying shrinkage have been developed. These products, called shrinking-reducing admixtures (SRAs), were first introduced in Japan in the early 1980s and are now available in the United States. Data for the world's first SRA ...

Admixtures modify the properties of concrete or mortar to make them more suitable for the work at hand, or for economy, or for such other purposes as saving energy (ACI 212.3R). ASTM C260, ASTM C494, ASTM C1017 are standard specifications covering chemical admixtures.

Concrete Admixtures See more . News Promotions Connect with Don Construction Products. Name * Email * Phone: Address: Reason: Request : Security Code * Don Construction Products Bulgaria EAD. Sales office. Monday - Friday: 9:00 - 17:30. Sofia 1582, Bulgaria. 152 Prof. Tsvetan Lazarov blvd. Techno Park Sofia. Tel .: +359 2 870 2782; +359 2 870 ...

Using these admixtures can make the concrete last longer and be sturdier. Water-reducing admixtures These are the types of admixtures that enable the reduction of water content in the concrete mix without compromising its workability. They enhance the flowability of concrete, allowing for easier placement and better compaction.

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With a full line of concrete admixtures and complementary products for ready mix, tunneling & mining, precast/prestress, paving, manufactured concrete products, and dry mortar production, Sika has unique and innovative solutions to meet the needs of the concrete industry. Our broad range of admixtures help to improve both the plastic and ...

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Title: A New Generation of Micro-Particulate-Based Admixtures for Concrete Author(s): Christopher John Eagon Publication: Web Session Volume: Issue: Appears on pages(s): Keywords: DOI: Date: 3/26/2018 Abstract: In recent years, there has been significant research and product development in the field of nanotechnology – using particles of …

Despite the high standards in the manufacturing of beams, columns, reinforced concrete panels, etc., Castello encountered problems with small holes and pores on the surface of the elements, as well as with minor areas of honeycombed concrete. For example, the roof elements they produce are up to 36 m long.

Discover We take a deep look into your unique process, needs, and business goals. Solution We combine industry best practices with highly specialized chemistries to build a formula for your success.. Implementation We custom …

Sofia 1582, Bulgaria. 152 Prof. Tsvetan Lazarov blvd. Techno Park Sofia. Tel.: +359 2 870 2782; +359 2 870 2761. [email protected]. Technical support +359 2 870 27 82. ... Concrete …

Title: Measuring Cement Paste Rheology Using a Modified Dynamic Shear Rheometer: An Approach to Detect Cement Admixtures' Incompatibilities Author(s): Anol K. Mukhopadhyay Publication: Web Session Volume: Issue: Appears on pages(s): Keywords: DOI: Date: 11/4/2015 Abstract: Chemical admixtures and various types of cementitious materials …

Admixtures are materials added to concrete before or during mixing. Most admixtures are chemicals that change some property of the fresh or hardened concrete. Water, aggregates, cementitious materials (pozzolans and hydraulic cements [fly ash, silica fume, slag cement]), and fiber reinforcement are not considered admixtures. Types of chemical …

The American Concrete Institute (ACI) is a leading authority and resource worldwide for the development and distribution of consensus-based standards, technical resources, educational programs, certification programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a …