what is the function of HPMC , how to distinguish the quality of hpmc ?

what is the function of HPMC , how to distinguish the quality of hpmc ?

Description

what is the function of HPMC , how to distinguish the quality of hpmc ? 
 
HPMC (Hydroxypropyl Methyl Cellulose) is a non-ionic cellulose ether that is widely used in the construction industry as a thickener, binder, emulsifier, and stabilizer. It is a white to off-white, odorless, and tasteless powder that is soluble in water and most polar organic solvents.
 
In the construction field, HPMC is typically added to cement, mortar, and other building materials to improve their workability, adhesion, and water retention properties. Specifically, HPMC helps to improve the rheological properties of these materials, making them easier to apply and allowing them to adhere better to surfaces.
 
To distinguish the quality of HPMC, you can look for the following characteristics:
 
    Viscosity: The viscosity of HPMC affects its performance in building materials. Higher viscosity HPMC generally provides better water retention and improved workability.
 
    Particle size: The particle size of HPMC affects its solubility and dispersion in water. Finer particles are generally preferred as they provide better mixing and dispersion in building materials.
 
    Purity: High purity HPMC has fewer impurities, which can affect its performance and compatibility with other building materials.
 
When choosing a supplier for HPMC, it's important to consider factors such as:
 
    Quality: Look for a supplier that provides high-quality HPMC that meets industry standards.
 
    Price: Compare prices from different suppliers to ensure that you're getting a fair price for the product.
 
    Reputation: Check the supplier's reputation in the industry and read reviews from other customers to ensure they are reliable and trustworthy.
 
    Technical support: Look for a supplier that offers technical support and can help you choose the right HPMC for your specific application.
 
    Delivery time: Ensure that the supplier can provide prompt delivery to minimize project delays.
 
article from www.hpmccelluloses.com