HPMC 100000 is a type of hydroxypropyl methylcellulose (HPMC) that is commonly used in the construction industry as a thickener, binder, and water retention agent in a variety of applications such as cement-based mortars, tile adhesives, and gypsum products. It is a non-ionic cellulose ether that is obtained by chemically modifying natural cellulose.
HPMC 100000 is specifically designed for use in cement-based mortars and other cementitious materials. It is known for its excellent water retention properties, which help to maintain the workability and consistency of the cement-based material for a longer period of time. This is particularly important in hot and dry environments, where the cement-based material can dry out quickly and become difficult to work with.
One of the key benefits of HPMC 100000 is its ability to improve the adhesive strength of cement-based mortars and other cementitious materials. This is achieved by forming a film around the cement particles, which enhances their cohesion and adhesion to the substrate. This property ensures that the mortar or other cement-based material remains intact and does not crack or separate from the substrate.
Another important benefit of HPMC 100000 is its ability to reduce the amount of water required in cement-based mortars and other cementitious materials. By improving water retention, HPMC 100000 allows for a higher solids content in the mortar, which can help to reduce drying time and improve the overall performance of the material.
HPMC 100000 is also known for its excellent rheological properties, which help to improve the workability and application properties of cement-based mortars and other cementitious materials. It acts as a thickener, which enhances the consistency of the material and makes it easier to apply to the substrate. It also acts as a binder, which helps to improve the strength and durability of the material.
In addition to its use in cement-based mortars and other cementitious materials, HPMC 100000 is also used in a variety of other applications in the construction industry. For example, it is commonly used as a binder in gypsum products, such as plaster and drywall joint compounds. It is also used as a thickener and water retention agent in tile adhesives and grouts.
The recommended dosage of HPMC 100000 varies depending on the specific application and the desired properties of the cement-based material. Generally, a dosage of 0.2% to 0.5% of HPMC 100000 based on the total weight of cement and sand is recommended for cement-based mortars.
HPMC 100000 is a versatile and effective additive that can significantly improve the performance of cement-based mortars and other cementitious materials. Its water retention properties, adhesive strength, rheological properties, and ability to reduce the amount of water required make it an attractive option for contractors, architects, and building owners who are looking to improve the performance of their cement-based materials. Its natural origin, sustainability, and eco-friendliness also make it an attractive option for those who prioritize sustainable building practices.