10 Things to Consider When Buying Surface Mortar HPMC Manufacturer

Melacoll-05-07 08:30

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When considering the purchase of Hydroxypropyl Methylcellulose (HPMC) for tile adhesives, there are crucial aspects to keep in mind. HPMC is produced through a unique etherification process using highly pure cotton cellulose under alkaline conditions. Recently, HPMC has gained prominence as a pivotal additive in construction due to its water retention and thickening properties, especially in tile adhesives. Modern tile adhesive is an essential material for installing decorative ceramics, surface tiles, and flooring.

Tile adhesives are known for their excellent adhesion and flexibility. They generally consist of cement, sand, calcium formate, and various additives in specific ratios. Typically, cellulose ethers like HPMC and HEMC (Hydroxyethyl Methylcellulose) are incorporated for their beneficial characteristics. Below are the top factors to consider when purchasing HPMC for tile adhesive.

1. Understanding HPMC Grades

1.1 Classification by Application Field: HPMC can be classified into several grades: construction-grade, daily chemical-grade, food-grade, and pharmaceutical-grade. Since tile adhesive falls under building material classification, it's important to choose the appropriate grade for specific constructions.

1.2 Viscosity Levels: Viscosity is a significant indicator of HPMC performance. It refers to the viscosity of a 2% HPMC solution measured at 20°C. Higher viscosity leads to improved tile adhesion, better anti-sagging, and dispersion qualities. However, excessive viscosity can negatively affect the adhesive's fluidity.

1.3 Viscosity Classes: HPMC is categorized into low, medium, and high viscosity grades. Keep in mind that readings may vary based on the viscometer used, so consistency in measurement tools is essential.

1.4 Solubility in Water: HPMC can also be categorized based on solubility: delayed dissolution type (surface-treated) and non-delayed type (non-surface treated). Understanding how these types dissolve in neutral water is important for predicting their behavior in adhesive formulations.

2. Application Scenarios for HPMC in Tile Adhesive

Indoor Applications:

When decorating spaces like kitchens and bathrooms, using ceramic tiles helps with aesthetics and waterproofing. Therefore, opting for HPMC with high viscosity and water resistance is advisable, as it enhances sealing properties and prevents moisture-related damage.

Outdoor Applications:

For outdoor installations such as swimming pools and exterior walls, select HPMC that offers strong resistance to weather elements like moisture and heat. The addition of high-viscosity HPMC helps laminate ceramics in outdoor spaces effectively.

3. HPMC Manufacturing Process

The production of HPMC employs either gas-phase or liquid-phase methods. The gas-phase method, commonly used in developed countries, involves utilizing wood pulp as a raw material in a controlled environment. This method yields higher efficiency and product quality, although it necessitates a considerable initial investment.

Conversely, the liquid-phase method, widely adopted by Chinese manufacturers, typically uses refined cotton as the feedstock. This method is safer and allows for easier swelling and uniform cellulose alkalization, though it is more labor-intensive.

4. Pricing Factors for HPMC

When purchasing HPMC, price is a primary concern. Prices fluctuate between regions, with factors influencing costs including viscosity levels, purity percentage, and raw material prices. High viscosity HPMC often commands higher prices compared to medium viscosity counterparts.

Another crucial aspect is market demand. Incidents like global pandemics can drastically alter demand, thus impacting pricing trends significantly. Awareness of such conditions can help anticipate market changes.

5. Why Choose MIKEM's Melacoll?

MIKEM stands as a reputable manufacturer of cellulose ethers, boasting a production base in China. Our capacity to produce 50,000 tons annually allows for effective cost management and quality assurance under the American ISO standards.

We prioritize quality and customer satisfaction before delivery, ensuring that every batch meets rigorous inspection criteria.

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6. HPMC vs. HEMC

6.1 Production Differences:

The key distinction between HPMC and HEMC lies in their respective production processes and raw materials used, impacting their final properties and applications.

6.2 Physical and Chemical Properties:

HPMC is known for its thermal gel properties, while HEMC boasts superior thermal stability due to its chemical structure, making it preferable in high-temperature environments.

6.3 Composition Content:

Typical methoxy and hydroxypropyl content ranges differ between HPMC and HEMC, which affects their functional capacities.

6.4 Gelation Temperatures:

HPMC products usually have gel temperatures ranging from 60°C to 75°C, while HEMC is slightly higher, indicating better performance in high-heat applications.

In conclusion, understanding these key considerations can guide informed choices when purchasing HPMC for tile adhesive applications. For additional inquiries regarding Surface Mortar HPMC Manufacturer, feel free to reach out for a consultation.