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Hydroxypropyl methylcellulose is generally used as a thickener in the coating industry, which can make the coating bright and delicate, not powdery, and improve the leveling characteristics. Let me introduce to you how to check whether the putty powder is dry. The wall is fully dry. Visually spea...Read more »
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Now that there are more and more markets for hydroxypropyl carboxymethyl cellulose and the prices are uneven, how to easily and quickly determine the quality of hydroxypropyl carboxymethyl cellulose has become a crucial issue! So how to judge the quality of hydroxypropyl methylcellulose? The firs...Read more »
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Cellulose ether hpmc has the function of water retention and thickening in cement mortar and gypsum-based mortar, which can effectively improve the adhesion and vertical resistance of mortar materials. Factors such as gas temperature, temperature and air pressure rate have a detrimental effect on...Read more »
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Cellulose for construction is an additive mainly used in construction production. Cellulose for construction is mainly used in dry powder mortar. The addition of cellulose ether is very low, but it can significantly improve the performance of wet mortar and affect the construction of mortar. Perf...Read more »
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At present, the quality of domestic hydroxypropyl methylcellulose varies greatly, and the price varies greatly, making it difficult for customers to make the right choice. The modified HPMC of the same foreign company is the result of many years of research. The addition of trace substances can i...Read more »
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The shallow admixture, which plays a key role in improving the performance of building dry-mixed mortar, accounts for more than 40% of the material cost in dry-mixed mortar. Most of the admixtures in the domestic market are supplied by foreign manufacturers, and the reference dosage of the produc...Read more »
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The amount of HPMC used in practical applications varies depending on the climate, temperature, quality of local ash calcium powder, formula of putty powder and “quality required by customers”. Generally speaking, it is between 4 kg and 5 kg. For example: most of the putty powder in B...Read more »
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One of the biggest differences between dry-mixed mortar and traditional mortar is that the dry-mixed mortar is modified with a small amount of chemical additives. Adding one additive to dry powder mortar is called primary modification, adding two or more additives is called secondary modification...Read more »
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Desulfurization gypsum is the flue gas produced by the combustion of sulfur-containing fuels (coal, petroleum), industrial solid waste produced during the desulfurization purification process, and the hemihydrate gypsum (chemical formula CaSO4· 0.5H2O), the performance is comparable to that of na...Read more »
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Hydroxypropyl methylcellulose (HPMC) mainly plays the role of water retention, thickening and improving construction performance in cement, gypsum and other powder materials. Excellent water retention performance can effectively prevent the powder from drying and cracking due to excessive water l...Read more »
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In recent years, with the continuous development of external wall insulation technology, the continuous progress of cellulose production technology, and the excellent characteristics of HPMC itself, HPMC has been widely used in the construction industry. In order to further explore the mechanism ...Read more »
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The Chinese name of HPMC is hydroxypropyl methylcellulose. It is non-ionic and is often used as a water-retaining agent in dry-mixed mortar. It is the most commonly used water-retaining material in mortar. The production process of HPMC is mainly a polysaccharide-based ether product produced by a...Read more »