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How does the chemical composition of anhydrite III affect the setting time of gypsum plaster?

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The chemical composition of anhydrite III significantly influences the setting time of gypsum plaster. Anhydrite III, a form of calcium sulfate, plays a crucial role in determining the setting properties of gypsum-based materials. Research indicates that different types of calcium sulfate anhydrite require specific additives in varying amounts to optimize setting times and strength properties of the resulting gypsum products. Additionally, impurities present in gypsum stones can impact setting times and strength values of the binder, highlighting the importance of understanding the composition of anhydrite III in gypsum materials. Furthermore, the presence of anhydrite in belite sulfoaluminate cements influences both setting times and compressive strength, showcasing the intricate relationship between anhydrite content and material properties.

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Open access•Journal Article•DOI Setting time of construction gypsum, dental plaster, and white orthodontic gypsum Imelda Darmawan, Octarina Willy, Johan Arief Budiman - Show less +2 more 21 Sep 2020-Journal of dental research, dental clinics, dental prospects 1 Citations	Not addressed in the paper.
Book Chapter•DOI Research on the Influence of Gypsum and Anhydrite Stone Impurities on the Properties of the Binder A. F. Buryanov, N. A. Galtseva, I. V. Morozov, E. N. Buldyzhova - Show less +3 more 18 Jan 2021 1 Citations	The chemical composition of anhydrite III can influence the setting time of gypsum plaster by affecting the indicators of setting time and strength values.
Open access The influence of composition of gypsum plaster on its technological properties M. Pawlak 01 Jan 2010 6 Citations	Not addressed in the paper.
Open access•Journal Article•DOI Low energy synthesis of anhydrite cement from waste lime mud Maksim Kamarou, Dmitry Moskovskikh, Ho Lun Chan, Haitao Yu and Xiaolong Wang, Tielong Li, Abayomi A. Akinwande, Valentin Romanovski - Show less +6 more 24 Nov 2022-Journal of Chemical Technology & Biotechnology	Different types of calcium sulfate anhydrite require specific additives affecting setting time. Anhydrite III with optimal additives had an onset of setting no earlier than 40 min and an end within 12 h.
Journal Article•DOI Effect of Anhydrite on the Early Hydration Performance of Rapid Setting and Hardening Belite Sulfoaluminate Cement Ming Zhang Lan, Bin Feng Xiang, Jianfeng Wang, Xu Dong Zhao, Xiao Ying Wang - Show less +4 more 01 Jun 2017-Materials Science Forum 2 Citations	Not addressed in the paper.

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