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1. The visual state of pure HPMC is fluffy and the bulk density is small, ranging from 0.3-0.4g/ml; the adulterated HPMC has better fluidity and heavier hand feel, which is obviously different from the original appearance.

In ready-mixed mortar, the addition amount of HPMC is very low, but it can significantly improve the performance of wet mortar and is a major additive that affects the construction performance of mortar. Reasonable selection of cellulose ethers of different varieties, different viscosities, different particle sizes, different viscosity degrees and added amounts will have a positive impact on improving the performance of dry mortar.

Hydroxypropyl methylcellulose is used as a water-retaining agent in cement mortar and retarder for mortar pumping.

Interior wall putty powder generally has a viscosity of 100,000. Cement mortar has higher requirements for adjustment, and a viscosity of 150,000 is easy to use. In addition, the most critical function of HPMC is to lock in water, followed by thickening.

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​Hydroxypropyl Methyl Cellulose (hereinafter referred to as HPMC) can be divided into instant type and slow-soluble type. Instant hydroxypropyl methylcellulose HPMC refers to the surface treatment using cross-linking agent during the production process, so that HPMC can be dissolved in cold water.

Cellulose is a compound widely used in the chemical and pharmaceutical industries.

On October 31, the 26th Russian International Chemical Exhibition (KHIMIA 2023) successfully opened at the Expo Center Exhibition Hall in Moscow, Russia. As one of the most prestigious chemicals trade shows, this exhibition attracted the participation of many manufacturers in the industry . At the same time, this is also the first appearance of EAST CHEM at the Russian International Chemical Exhibition.

The 26th Russian International Chemical Exhibition (KHIMIA 2023) will be held from October 30 to November 2, 2023 at the Expo Center Exhibition Hall in Moscow, Russia.

The main raw material of HPMC is plant fiber, and its price is directly influenced by the supply and demand of plant sources. Seasonal and climate change factors may also have an impact on raw material prices.

About the use of hydroxypropyl methyl cellulose, hydroxypropyl methyl cellulose can be applied to various fields of building materials. The editor will explain the functions and effects of hydroxypropyl methyl cellulose one by one. Next, let's learn the following knowledge together with the editor~

Whiteness: Although whiteness cannot determine the usability of HPMC​, the addition of whitening agents during the production process can affect its quality. However, most good products have good whiteness.