Description：
Kemox Hydroxyethyl cellulose (HEC) is a non ionic, water-soluble polymer that
can thicken, suspend, bind, emulsify, form films, stabilize, disperse, retain water, and provide protective colloid action. It is readily soluble in hot or cold water.
Features:
Enzyme resistance: Kemox Hydroxyethyl Cellulose (HEC) provides resistance against fungi and bacterial attacks, which allows its excellent viscosity, stability, and long-term storage. Kemox HEC grades with B are specially for biological resistance.
Good Compatibility: Kemox Hydroxyethyl Cellulose (HEC) is a non-ionic soluble cellulose ether, with wide compatibilities that can be matched with various additives for polymer emulsions and water-based coatings(such as dispersants, wetting agents, and film-forming additives), pigments, surfactants, emulsifiers, preservatives, and binders, etc. And no chemical reaction occurs between them, which is beneficial to the storage stability of water-based coatings.
The Importance of EIFS Adhesive
The application of EIFS (Exterior Insulation Finish System) in Europe and the United States has a history of more than 60 years and has accumulated rich experience, but there have also been some problems. After the outbreak of the oil crisis in the 1970s, due to the need for energy saving, the external wall thermal insulation and decoration technology was popularized in both public buildings and civil buildings. The market and technology of this industry have made great progress. But by the late 1980s, many thermally insulated buildings had problems with water leakage. Of course, water leakage is caused by many reasons, among which the aging and cracking of the adhesive should be one of the reasons.
Therefore,improving the aging resistance, adhesion, flexibility, and other properties of EIFS adhesives has attracted attention.
Polymer based cementitious adhesive is a new adhesive in the field of building exterior wall insulation. It has obvious advantages with high density, good aging resistance and good adhesion.
As a high-performance polymer-modified cement adhesive, it is made with high-grade aggregates, cement and polymers. Among which, Kemox HPMC (Hydroxypropyl Methyl Cellulose) plays vital roles in it. It is with good performance of water retention, high strength and can increase the bonding strength between the insulation plate and exterior wall.
EIFS adhesive is a very practical adhesive, not only the adhesive itself must have excellent performance, it is also necessary to cooperate with appropriate construction techniques to achieve good results.
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