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Method and selection of using hydroxypropyl methyl cellulose (HPMC) in different application scenarios. For concrete putty powder, choose HPMC with a viscosity of 100000 and mix it directly with dry powder in a ratio of 3/1000. When using, add water directly because the cellulose has been completely mixed with the putty powder and there will be no agglomeration phenomenon. For the preparation of building adhesives, choose cold water soluble cellulose with a viscosity of 200000 and adjust the dosage as needed. HPMC gradually shows consistency after being placed in water, reaching its maximum consistency within approximately ten minutes. For spraying applications, choose cold water instant HPMC, with a shorter initial viscosity time as long as it does not clump.

Hydroxypropyl Methyl Cellulose) is a water-soluble polymer compound commonly used in construction materials, medicine, food, cosmetics and other fields. Here are some details about the use of HPMC

Hydroxypropyl methyl cellulose can be used as a part of the detergent, such as the formula (mass fraction) is: 5%~60% water soluble surfactant, 0.01%~10%HPC, 0~10% water soluble polyols, 0.01%~5% cationic polymeric skin conditioner and water. The product showed good performance, including gentleness, skin humidification, desirable rheology and application characteristics, good rinsing and product stability.

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Hydroxypropyl methyl cellulose has a wide range of uses in our daily life. It not only plays an obvious role in construction, but also occupies a great position in the paint industry. Let's look at hydroxypropyl methyl cellulose. It has four characteristics:

Hydroxypropyl methyl cellulose, is a nonionic cellulose mixed ether. It is a semi-synthetic, inactive, viscoelastic polymer commonly used as a lubricant in ophthalmology, or as an excipient or excipient in oral medicine.

In recent years, with the continuous development of external insulation technology, hydroxypropyl methyl cellulose production technology progress, as well as hydroxypropyl methyl cellulose HPMC itself has excellent characteristics, hydroxypropyl methyl cellulose HPMC in the construction industry has been widely used. In order to investigate the interaction mechanism between HPMC and cement-based materials, this paper focuses on the improvement effect of HPMC on the cohesion of cement-based materials.