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1. Common problems in putty powder Fast drying is mainly due to the amount of ash calcium powder added (too large, the amount of ash calcium powder used in the putty formula can be appropriately reduced) is related to the water retention rate of the fiber, and it is also related to the dryness of...Read more »
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In ready-mixed mortar, as long as a little cellulose ether can significantly improve the performance of wet mortar, it can be seen that cellulose ether is a main additive that affects the construction performance of mortar. The selection of different varieties, different viscosities, different pa...Read more »
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The most important property of cellulose ether is its water retention in building materials. Without the addition of cellulose ether, the thin layer of fresh mortar dries out so quickly that the cement cannot hydrate in the normal way and the mortar cannot harden and achieve good cohesion. At the...Read more »
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Vitamin products are all derived from natural cotton pulp or wood pulp, which are produced through etherification. Different cellulose products use different etherifying agents. The etherifying agent used in hydroxyethyl cellulose (HEC) is ethylene oxide, and the etherifying agent used in hydroxy...Read more »
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Application of hydroxypropyl methylcellulose 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 improve the...Read more »
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A. The necessity of water retention The water retention of mortar refers to the ability of mortar to retain water. Mortar with poor water retention is prone to bleeding and segregation during transportation and storage, that is, water floats on the top, and sand and cement sink below. It must be ...Read more »
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1. What is the alias of hydroxypropyl methylcellulose? ——Answer: Hydroxypropyl Methyl Cellulose, English: Hydroxypropyl Methyl Cellulose Abbreviation: HPMC or MHPC Alias: Hypromellose; Cellulose Hydroxypropyl Methyl Ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose ...Read more »
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Redispersible latex powder is a water-soluble redispersible powder, which is a copolymer of ethylene and vinyl acetate, with polyvinyl alcohol as a protective colloid. Therefore, redispersible latex powder is very popular in the construction industry market, and the construction effect is not ide...Read more »
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Wet mixed mortar: mixed mortar is a kind of cement, fine aggregate, admixture and water, and according to the properties of various components, according to a certain ratio, after being measured at the mixing station, mixed, transported to the location where the truck is used, and entered into a ...Read more »
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So far, there is no report on the effect of the addition method of hydroxyethyl cellulose on the latex paint system. Through research, it is found that the addition of hydroxyethyl cellulose in the latex paint system is different, and the performance of the prepared latex paint is very different....Read more »
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Now many people don’t know much about hydroxypropyl starch ether. They think that there is little difference between hydroxypropyl starch ether and ordinary starch, but it is not. The amount of hydroxypropyl starch ether used in mortar products is very small, and the addition amount of pola...Read more »
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Hydroxypropyl methylcellulose is divided into 2 kinds of ordinary hot-soluble cold water instant type. 1. Gypsum series In gypsum series products, cellulose ether is mainly used for water retention and smoothness. Together they provide some relief. It can solve the doubts about drum cracking and ...Read more »