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Wet-mixed mortar refers to cementitious material, fine aggregate, admixture, water and various components determined according to performance. According to a certain proportion, after being measured and mixed in the mixing station, it is transported to the place of use by a mixer truck. Store the...Read more »
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The types of admixtures commonly used in building dry-mixed mortar, their performance characteristics, mechanism of action, and their influence on the performance of dry-mixed mortar products. The improvement effect of water-retaining agents such as cellulose ether and starch ether, redispersible...Read more »
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With the continuous progress of the industry and the improvement of technology, through the introduction and improvement of foreign mortar spraying machines, the mechanical spraying and plastering technology has been greatly developed in my country in recent years. Mechanical spraying mortar is d...Read more »
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1. Daily chemical grade hydroxypropyl methylcellulose instant type is a white or slightly yellowish powder, and it is odorless, tasteless and non-toxic. It can be dissolved in cold water and mixed solvent of organic matter to form a transparent viscous solution. The aqueous solution has surface a...Read more »
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Hydroxyethyl cellulose (HEC) is a white or light yellow, odorless, non-toxic fibrous or powdery solid. It is made of raw cotton linters or refined pulp soaked in 30% liquid caustic soda. After half an hour, it is taken out and pressed. Squeeze until the ratio of alkaline water reaches 1:2.8, then...Read more »
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1. What are the functions of redispersible latex powder in mortar? Answer: The redispersible latex powder is molded after dispersion and acts as a second adhesive to enhance the bond; the protective colloid is absorbed by the mortar system (it will not be said to be destroyed after molded. Or dis...Read more »
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Wet-mixed mortar is cement, fine aggregate, admixture, water and various components determined according to performance. According to a certain proportion, after being measured and mixed in the mixing station, it is transported to the place of use by a mixer truck, and put into a special The wet ...Read more »
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Admixtures play a key role in improving the performance of building dry-mixed mortar, but the addition of dry-mixed mortar makes the material cost of dry-mixed mortar products significantly higher than that of traditional mortar, which accounts for more than 40% of the material cost in dry-mixed ...Read more »
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Hydroxypropyl methylcellulose is made from highly pure cotton cellulose through special etherification under alkaline conditions, and the whole process is completed under automatic monitoring. It is insoluble in ether, acetone and absolute ethanol, and swells into a clear or slightly cloudy collo...Read more »
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A certain amount of hydroxypropyl methylcellulose ether keeps the water in the mortar for enough time to promote the continuous hydration of the cement and improve the adhesion between the mortar and the substrate. Effect of Particle Size and Mixing Time of Hydroxypropyl Methyl Cellulose Ether ...Read more »
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Cellulose ether is a kind of natural polymer derived material, which has the characteristics of emulsification and suspension. Among the many types, HPMC is the one with the highest output and the most widely used, and its output is increasing rapidly. In recent years, thanks to the growth of the...Read more »
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Hydroxypropyl methylcellulose (HPMC) is a non-ionic cellulose ether made from natural polymer material cellulose through a series of chemical processes. They are an odorless, tasteless and nontoxic white powder that swells into a clear or slightly cloudy colloidal solution in cold water. It has t...Read more »