Customize Consent Preferences

We use cookies to help you navigate efficiently and perform certain functions. You will find detailed information about all cookies under each consent category below.

The cookies that are categorized as "Necessary" are stored on your browser as they are essential for enabling the basic functionalities of the site. ... 

Always Active

Necessary cookies are required to enable the basic features of this site, such as providing secure log-in or adjusting your consent preferences. These cookies do not store any personally identifiable data.

No cookies to display.

Functional cookies help perform certain functionalities like sharing the content of the website on social media platforms, collecting feedback, and other third-party features.

No cookies to display.

Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics such as the number of visitors, bounce rate, traffic source, etc.

No cookies to display.

Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors.

No cookies to display.

Advertisement cookies are used to provide visitors with customized advertisements based on the pages you visited previously and to analyze the effectiveness of the ad campaigns.

No cookies to display.

Why HEMC is the better choice than HPMC?

Why HEMC is the better choice than HPMC for manufacturing of Cement tile adhesive and Wall putty?

HPMC and HEMC have similar functions in building materials. It can be used as dispersant, water retaining agent, thickener and binder, etc. it is mainly usedin the molding of cement mortar and gypsum products. It is used in cementmortar to increase its cohesiveness, workability, reduce flocculation, improve viscosity and shrinkage, and has the functions of water retention, reducingwater loss on concrete surface, improving strength, preventing cracks andwater-soluble salt weathering. It is widely used in cement, plaster, mortar andother materials. It can be used as film-forming agent, thickener, emulsifier and stabilizer in latex coatings and water-solubleres in coatings. It has good wear resistance, uniformity and adhesion, andimproves surface tension, acid-base stability and compatibility with metal pigments. Due to its good viscosity storage stability, it is especially suitable for emulsion coatings as dispersant. In a word, although the amount of the system is small, it has a great effect and is widely used. The gel temperature of cellulose ether determines its thermal stability in application.

The gel temperature of HPMC is usually at 60℃-75℃ depending on the type, group content and different production processes of different manufacturers. Due to the characteristics of HEMC group, it has a higher gel temperature, usually above 80℃, so its stability under high temperature is due to HPMC. In practical application, in the hot construction environment in summer, the water holding capacity of HEMC with the same viscosity and dosage is better than that of HPMC. Especially in the south, mortar will sometimes be constructed at high temperature. Cellulose ether with low gel temperature will lose its thickening and water retention at high temperature, thus accelerating the hardening of cement and mortar, and directly affects the construction and cracking resistance.

Because there are more hydrophilic groups in the structure of HEMC, it has better hydrophilicity. The water retention rate of HEMC in mortar is slightly higher than that of HPMC at the same dosage of products with the same viscosity. In addition, the vertical flow resistance of HEMC is alsorelatively good. Therefore, the application of HEMC in ceramic tile adhesive and wall putty is be better performances. SLEOCHEM offers a wide range counter grades to ensure that for every conceivable situation the right product is available.

Tags:

whatsapp email