Type G High-Range Water-Reducing and Retarding Chemical Admixtures - From Formulation to Field: Applications,...

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Mostafa Ebrahim

Type G High-Range Water-Reducing and Retarding Chemical Admixtures - From Formulation to Field

Applications, Troubleshooting & Case Studies

Mostafa Ebrahim

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English

American Industrial Technologies LLC.
10 September 2025

Materials science; Civil engineering, surveying & building; Bricklaying & plastering

Series: Concrete Chemical Admixtures

""Type G High-Range Water-Reducing and Retarding Admixtures"" represents the definitive technical reference on one of concrete technology's most sophisticated chemical systems. This comprehensive volume bridges the gap between molecular science and practical application, delivering unparalleled insight into the chemistry, formulation, and field performance of these critical construction materials. The book systematically explores the evolution from first-generation lignosulfonates to advanced fourth-generation hybrid systems that deliver both >=12% water reduction and precisely controlled set retardation within the 90-210 minute window required by ASTM C494 specifications.

Readers will discover detailed examinations of the three primary chemical families, sulfonated naphthalene formaldehyde (SNF), sulfonated melamine formaldehyde (SMF), and polycarboxylate ethers (PCEs), with particular emphasis on structure-performance relationships that determine real-world effectiveness. The text meticulously explains how molecular architecture influences dispersion mechanisms, from the electrostatic repulsion of SNF and SMF to the steric hindrance of PCEs that enables extended slump retention. For each chemistry, the book details manufacturing processes, critical quality control parameters, and compatibility considerations with diverse cement types and supplementary cementitious materials.

The practical application section provides field-tested protocols for dosage optimization across temperature ranges, strategic addition sequencing, and verification methods including slump flow monitoring, setting time tests, and advanced techniques like zeta potential analysis and isothermal calorimetry. Extensive troubleshooting guidance addresses common issues such as rapid slump loss, excessive retardation, and false set through root cause analysis and corrective action plans.

Designed for concrete producers, admixture manufacturers, engineers, and field personnel, this book transforms complex chemical concepts into actionable knowledge. It establishes the scientific foundation for understanding why Type G admixtures function as they do while providing the operational framework for consistent, reliable performance in demanding applications from mass pours to self-consolidating concrete. By integrating theoretical depth with practical wisdom, this volume serves as both an authoritative reference and an essential field guide for anyone working with high-performance concrete systems.

By: Mostafa Ebrahim
Imprint: American Industrial Technologies LLC.
Volume: 8
Dimensions: Height: 279mm, Width: 216mm, Spine: 37mm
Weight: 1.642kg
ISBN: 9798232185640
Series: Concrete Chemical Admixtures
Pages: 722
Publication Date: 10 September 2025
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Active

Dr. Mostafa Ebrahim, a distinguished expert in the field of plastic additives, brings a wealth of knowledge and experience to this book. With a PhD in Chemistry and over two decades of hands-on experience as an additives formulator and consultant, Dr. Ebrahim has dedicated his career to the study and application of additives in the realm of additives and plastics. Throughout his academic and professional journey, Dr. Ebrahim has cultivated a deep understanding of the intricate chemistry behind plastic additives. His expertise spans a wide range of additives, including stabilizers, anti UV and antioxidants, fire retardants, properties modifiers, pigments, and many others. His comprehensive knowledge of additive interactions and his effects on plastic properties has made him a sought-after consultant in the industry. Dr. Ebrahim has contributed significantly to the advancement of plastic additives through his extensive research, innovative formulations, and practical solutions. His work has not only improved the performance and functionality of plastic materials but also addressed critical environmental and regulatory considerations associated with additive usage. As a seasoned formulator, Dr. Ebrahim has successfully developed tailored additive formulations for various industries, ranging from packaging and automotive to electronics and construction. His deep understanding of additive selection, compatibility, and processing techniques has enabled him to create optimized solutions that meet specific performance requirements and industry standards. Beyond his technical expertise, Dr. Ebrahim is also passionate about knowledge sharing and education. he has conducted numerous seminars, workshops, and training sessions, empowering professionals in the field to leverage the potential of plastic additives effectively. His ability to communicate complex concepts in a clear and accessible manner has earned him recognition as an excellent consultant and reference in the field.