-
Redispersible latex powder is a white solid powder obtained by spray-drying special latex. It is mainly used as an important additive for “dry-mixed mortar” and other dry-mixed mortars for external wall insulation engineering construction materials. Pay attention to the following thre...Read more »
-
Hydroxypropyl methylcellulose is mainly used as a dispersant in the production of polyvinyl chloride, and is the main auxiliary agent for preparing PVC by suspension polymerization. In the construction process of the construction industry, it is mainly used in mechanized construction such as wall...Read more »
-
Modified additives such as ready-mixed mortar additives, cellulose ethers, coagulation regulators, redispersible latex powder, air-entraining agents, early strength agents, water reducers, etc., which are added according to the needs of the project, greatly improve the performance of ready-mixed ...Read more »
-
Application of hydroxypropyl methylcellulose (HPMC) in construction mortar plastering mortar: High water retention can make the cement fully hydrated, significantly increase the bond strength, and at the same time, it can appropriately increase the tensile strength and shear strength, greatly imp...Read more »
-
(1) Determination of viscosity: The dried product is prepared into an aqueous solution with a weight concentration of 2°C, and is measured by an NDJ-1 rotational viscometer; (2) The appearance of the product is powdery, and the instant product is suffixed with “s”. How to use hydroxyp...Read more »
-
The viscosity index of hydroxypropyl methylcellulose is a very important index. The viscosity does not represent the purity. The viscosity of cellulose HPMC depends on the production process. Different use environments should choose cellulose HPMC with different viscosities, not the higher the vi...Read more »
-
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 »
-
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 »
-
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 »
-
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 »
-
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 »
-
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 »