hydroxyethyl methyl cellulose for Ghana
hydroxyethyl methyl cellulose (HEMC) is a vital compound that is used to improve various materials’ properties, including, but not limited to, building materials, ceramics, and paints. This compound has gained popularity in Ghana for its versatility in enhancing various materials’ characteristics.
HEMC, when used in ceramic tiles, significantly improves their strength, making them more resistant to wear and tear. It is therefore an essential component for the production of high-quality ceramic tiles. Its viscosity properties also make it ideal for paints, where it is used as a thickener to improve paint coverage.
One of the advantages of HEMC is its compatibility with different construction materials, including cement, gypsum, and lime. It is used to enhance the performance of these materials by improving their adhesive properties, and it is essential for the production of high-quality mortar.
The use of HEMC is not limited to Ghana. Many countries worldwide have embraced the use of this compound in their construction industries. In Russia, HEMC is a crucial component in hydraulic systems, where it is used as a binding agent. In the United States, it is used as a dispersant in cement and as a thickener in paints.
In the Philippines, HEMC is an essential ingredient in cement-based adhesives, where it is used to improve their workability and consistency. In Morocco, it is used to improve the durability of concrete and to maximize the strength of building materials by reducing water absorption.
In Palestine, HEMC is widely used as a binding agent in cement bricks, making them stronger and more durable.
In conclusion, Hydroxyethyl Methyl Cellulose is a vital compound in the construction industry. Its properties make it an essential ingredient in various construction materials. This versatile compound has gained popularity in Ghana and other countries worldwide. Its compatibility with different construction materials and its ability to improve their properties make it a valuable component that every construction company should embrace.
Faq
What is the difference between the cold-water soluble type and the thermal soluble type of hydroxypropyl methylcellulose (HPMC) in the production process?
The powder loss in putty is mainly related to the quality of the lime powder and has little to do with HPMC. Low calcium content in lime powder and an improper ratio of CaO and Ca(OH)2 in lime powder can both cause powder loss. If there is a slight relationship with HPMC, it would be that poor water retention of HPMC can also contribute to powder loss.
What is the recommended viscosity of Hydroxypropyl Methylcellulose (HPMC)?
1. Hot water dissolution method: HPMC does not dissolve in hot water, but it can disperse evenly in hot water initially and then rapidly dissolve upon cooling. There are two typical methods described as follows:
(1) Place the required amount of hot water in a container and heat it to approximately 70°C. Gradually add HPMC while stirring slowly. Initially, HPMC will float on the water's surface and gradually form a slurry, which cools down under stirring.
(2) Add 1/3 or 2/3 of the required amount of water to a container and heat it to 70°C. Disperse HPMC according to method (1) to prepare a hot water slurry. Then, add the remaining cold water to the hot water slurry and cool the mixture after stirring.
2. Powder mixing method: Mix HPMC powder with a large amount of other powdered substances using a blender. Afterward, add water for dissolution. In this case, HPMC can dissolve without clumping because each tiny corner of the powder contains only a small amount of HPMC, which dissolves immediately upon contact with water. This method is commonly used in putty powder and mortar production.
What are the differences between HPMC and MC?
1. Interior wall putty powder: Heavy calcium carbonate 800KG, light calcium carbonate 150KG (Starch ether, pure Qing, Peng run soil, citric acid, polyacrylamide, etc., can be added as appropriate).
2. Exterior wall putty powder: Cement 350KG, heavy calcium carbonate 500KG, quartz sand 150KG, latex powder 8-12KG, cellulose ether 3KG, starch ether 0.5KG, wood fiber 2KG.
What is the application of HPMC in putty powder, and what causes the formation of bubbles in putty powder?
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.