Cellulose Ether Factory

Hydroxypropyl methyl cellulose (HPMC) is a non-ionic cellulose ether obtained by cellulose alkalization, etherification, neutralization and washing. HPMC has good thickening, dispersing, emulsifying, film-forming properties, etc. It is the first choice for production of high quality building materials additives.

In daily chemical or detergent applications, the HPMC powder is mainly used for thickening, foaming, stable emulsification, dispersion, adhesion, film formation and water retention of cosmetics. High viscosity products are used for thickening, and low viscosity products are mainly used for suspension dispersion and film formation.

The addition of redispersible emulsion powder (VAE/RDP)to the mortar can increase the cohesion, cohesion and flexibility of the mortar. First, it can improve the water retention of the mortar, form a film, and reduce the evaporation of water. Second, it can improve the bond strength of mortar.

Construction grade HPMC properties:
1. Thickening: Cellulose can thicken to suspend, keep the solution uniform and consistent, and resist sagging.

2. Water retention: Make the putty powder dry slowly, and assist the reaction of lime calcium under the action of water.

3. Easy Construction: Cellulose has a lubricating effect, which can make the putty powder have good workability.

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Application

Hydroxyethyl cellulose（HEC）

The most important property of hydroxyethyl cellulose powder is that it acts as a thickener, in creasing the viscosity of the liquid,and its thickening depends on its concentration. If you're searching for a versatile solution that enhances the performance of your products, look no further than Hydroxyethyl Cellulose (HEC) powder.

Gypsum Special Grade HPMC

The gypsum special grade hydroxypropyl methyl cellulose HPMC has the characteristics of high water retention, dispersibility, good fineness, good workability and easy dissolution. widely used in gypsum products like gypsum plaster, adhesive plaster, embedded gypsum, tile adhesives etc.

Daily Chemical Products Additive

Daily Chemical HPMC has a variety of properties such as thickening, foam stabllization,emulifiation, and easy dispersion. Shampoo Additive HPMC has good compatibility with various additives of other daily chemical products. It is widely used in detergents, shower gels, shampoos, hand sanitizers, and laundry liquid and other products.

Tile Adhesive Additive

Tile Adhesive Additive HPMC can ensure the smooth construction on difterent base surtaces, even when the ambient temperalure is relalively harsh, the tile adhesive can be given a long enough open time and adjustable time.

Gypsum Additive

In gypsum products, the focus is on water retention, retardation and lubrication. Different gypsum has different effects on product performance, so thickening, water retention, and retardation determine the quality of gypsum building materials.

Mortar Additive

Adding hydroxypropyl metylellulose can improve anti-sip performance, improve wetting performance, thicken, improve batch scraping and slipping, easy to level, improve surface performance and strength, and have very good compatibility with other additives.

Putty Powder Additive

Hydroxypropyl metylcellulose is a commonly used raw material in powdered building materials, which greatly improves the slip performance and anti-sag performance of the construction, improves the wettability, improves the anti-slip performance of the putty, improves the leveling effect of the putty, and improves the construction eficlency.

Technical Guidelines for Hydroxypropyl Methylcellulose (HPMC)

As a professional manufacturer of architectural-grade HPMC, we provide you with comprehensive technical guidance and problem-solving support throughout the production and application processes.

How much do you know about Hydroxypropyl methyl cellulose(HPMC)?

Hydroxypropyl methyl cellulose (HPMC) is a non-ionic cellulose ether obtained by cellulose alkalization, etherification, neutralization and washing. HPMC has good thickening, dispersing, emulsifying, film-forming properties, etc.It is the first choice for production of high quality building materials additives.

Laboratory overview

We have both Chemical Lab and Application Lab to ensure each order's best satisfaction

How to improve the adhesion of putty

When encountering the projects that have been constructed, it is found that the adhesion of putty on the exterior wall is poor, the following methods can be adopted to improve the adhesion of putty:

Dissolution Method

Take the required amount of hot water into the container and heat to above 85., stir slowly and add the product gradually The cellulose initially floats on the water, but gradually disperses in water and forms homogeneous slurry. Goon stirring until it cools down and becomes clear

Faq

Is there any relationship between powder loss in putty and HPMC?

The viscosity of HPMC is inversely proportional to temperature, meaning that viscosity increases as temperature decreases. When we refer to the viscosity of a certain product, it generally refers to the measurement result of its 2% water solution at 20 degrees Celsius. In practical applications, in regions with large temperature differences between summer and winter, it is advisable to use relatively lower viscosity during winter for better construction. Otherwise, at low temperatures, the viscosity of the cellulose increases, resulting in a heavier feel during application. Medium viscosity: 75,000-100,000 (mainly used for putty) Reason: Good water retention. High viscosity: 150,000-200,000 (mainly used for polystyrene particle insulation mortar powder and foamed glass bead insulation mortar) Reason: High viscosity, reduces mortar dusting and sagging, improves construction. However, in general, higher viscosity provides better water retention. Therefore, many dry mortar manufacturers consider using medium-viscosity cellulose (75,000-100,000) instead of low-viscosity cellulose (20,000-40,000) to reduce the dosage and costs.

What is the main function of HPMC in putty powder and does it undergo a chemical reaction?

HPMC produced using solvent methods uses solvents such as toluene and isopropanol. If the washing process is not thorough, there may be some residual odor.

How to judge the quality of HPMC?

1. Whiteness: Although whiteness alone does not determine the usefulness of HPMC, higher-quality products usually have better whiteness. 2. Fineness: HPMC is typically available in 80 and 100 mesh sizes, with fewer options in 120 mesh. Finer particles generally indicate better quality. 3. Transmittance: When HPMC is dissolved in water and forms a transparent colloidal solution, higher transmittance indicates fewer insoluble impurities. 4. Specific gravity: Higher specific gravity is generally better. A higher specific gravity is often due to a higher content of hydroxypropyl, which results in better water retention.

How many types does 2-Hydroxypropyl methylcellulose (HPMC) have, and what are the differences in their applications?

HPMC can be divided into two types: instant soluble and heat soluble. Instant soluble HPMC quickly disperses in cold water, disappearing in the water. At this stage, the liquid does not have viscosity because HPMC is only dispersed in the water and not completely dissolved. After about 2 minutes, the viscosity of the liquid gradually increases, forming a transparent and viscous colloidal solution. Heat soluble HPMC tends to agglomerate in cold water but can rapidly disperse in hot water, disappearing in it. As the temperature decreases to a certain point, viscosity slowly appears until a transparent and viscous colloidal solution is formed. Heat soluble HPMC can only be used in putty powder and mortar, as it tends to agglomerate in liquid adhesives and coatings and cannot be used effectively. Instant soluble HPMC has a wider range of applications and can be used in putty powder, mortar, liquid adhesives, and coatings without any restrictions.

News

06

Dec., 2024

Exhibition Review | Haoshuo & China International Coatings Exhibition ended successfully

On December 5, 2024, the 2024 China International Coatings Exhibition attended by Hebei Haoshuo Chemical Co., Ltd. came to a successful conclusion.
25

Nov., 2024

Understanding the Role of Methyl Hydroxyethyl Cellulose (MHEC) in Modern Construction Materials

Do you know the importance and usage of Methyl Hydroxyethyl Cellulose in modern construction materials? Here is a detailed guide that will help you.
18

Nov., 2024

HPMC Used in Building Mortar: Improving the Performance and Durability of Mortar

Does it make you curious how the HPMC works in the building mortar? What are the possible benefits? Well, this is a detailed guide that will instruct on absolutely everything about the use of HPMC in mortar.
04

Nov., 2024

Haoshuo sincerely invites you to attend the 2024 China International Coatings Exhibition

Hebei Haoshuo Chemical Co., Ltd. sincerely invites you to visit Guangzhou to visit the 2024 "China International Coatings Exhibition CHINACOAT" held in Area A of the China Import and Export Fair Complex in Guangzhou from December 3 to December 5, 2024.