HPMC stands for Hydroxypropyl Methyl Cellulose, which is a commonly used additive in building materials such as mortar and grout. It is used as a thickener, water retention agent, and to improve workability and adhesion of the material.
EIFS stands for Exterior Insulation and Finishing System, which is a type of exterior wall cladding system that provides insulation and weatherproofing to a building's exterior. It typically consists of a layer of insulation board, a base coat of adhesive mortar, a reinforcing mesh, and a finish coat of colored and textured stucco or acrylic.
When used in EIFS mortar, HPMC can help to improve the workability of the mortar, making it easier to apply to the insulation board and reinforcing mesh. It can also improve the adhesion of the mortar to the board and mesh, ensuring a strong and durable bond. Additionally, HPMC can help to reduce the amount of water required in the mix, which can help to prevent cracking and shrinkage in the finished EIFS system.
why EIFS need HPMC ?
EIFS (Exterior Insulation and Finishing System) mortar typically contains a variety of ingredients such as cement, sand, water, and various additives to improve its workability, adhesion, and durability. HPMC (Hydroxypropyl Methyl Cellulose) is one of these additives that is commonly used in EIFS mortar for several reasons.
Firstly,
HPMC can help to improve the workability of the mortar by acting as a thickener and a water retention agent. This means that the mortar will be easier to apply and work with, as it will be less likely to drip or sag during application. It can also help to reduce the amount of water needed in the mix, which can help to prevent shrinkage and cracking in the finished EIFS system.
Secondly, HPMC can improve the adhesion of the mortar to the insulation board and reinforcing mesh. This is important because EIFS systems rely on the bond between the insulation board and the base coat of mortar to provide strength and stability to the system. HPMC can help to ensure a strong and durable bond between these materials, which can help to prevent delamination or separation of the system over time.
Overall, HPMC is an important additive in EIFS mortar that can help to improve the performance and durability of the system, making it a popular choice for architects, builders, and contractors.
if you want to know more about the hpmc , please contact us , article from www.hpmccelluloses.com
