redispersible polymer powder for India
redispersible polymer powder (RDP) has revolutionized the construction industry in India. With the growing demand for sustainable and eco-friendly alternatives, RDP has become an essential ingredient in various products, including dry-mix mortars, plasters, and tile adhesives.
RDP is a copolymer powder that disperses in water and creates a film-like material to provide water retention, flexibility, and increased adhesive strength. It plays a crucial role in reducing cracking, improving flexibility, and enhancing the overall quality and durability of building materials.
India's growing construction industry has increased demand for RDP, which is widely used in cementitious systems to enhance the mortar's properties such as workability, adhesive strength, crack resistance, and durability. Furthermore, it acts as a binder, and the coating's redispersibility makes it an excellent choice for self-leveling compounds.
RDP is an eco-friendly alternative that replaces traditional polymers such as polyvinyl acetate (PVA), which have a negative environmental impact. It is non-toxic and biodegradable, making it ideal for sustainable construction in India.
Our RDP products, known for their consistent quality and performance, are sold globally and used in India and other countries, including Morocco, Malta, Rwanda, Bosnia and Herzegovina, and the United States. Our focus on innovation and staying up-to-date with the latest developments in the industry enables us to maintain our expertise, experience, authoritativeness, and trustworthiness.
In conclusion, the increasing demand for sustainable and eco-friendly construction materials has led to a surge in RDP usage in India. Our high-quality redispersible polymer powder has become an ideal choice due to its exceptional properties, including increased water retention, flexibility, and adhesive strength. Its eco-friendly nature makes it an ideal choice for sustainable construction in India and worldwide, including Morocco, Malta, Rwanda, Bosnia and Herzegovina, and the United States.
Faq
What is the dosage of Hydroxypropyl Methylcellulose (HPMC) in putty powder?
In the application of HPMC in putty powder, it plays three roles: thickening, water retention, and facilitating construction. Thickening: Cellulose can thicken the mixture, maintain uniform suspension, and prevent sagging. Water retention: It slows down the drying process of putty powder and assists in the reaction of lime and calcium in water. Construction: Cellulose acts as a lubricant, improving the workability of the putty powder. HPMC does not participate in any chemical reactions; it only serves as an auxiliary agent. When putty powder is mixed with water and applied to the wall, a chemical reaction occurs because new substances are formed. However, if the putty powder is scraped off the wall, ground into powder, and reused, it is not suitable because a new substance (calcium carbonate) has already formed. The main components of lime and calcium powder are Ca(OH)2, CaO, and a small amount of CaCO3. The reaction can be represented as: CaO + H2O = Ca(OH)2 — Ca(OH)2 + CO2 = CaCO3 ↓ + H2O. Under the action of water and carbon dioxide in the air, lime and calcium carbonate are formed. HPMC only assists in water retention and the better reaction of lime and calcium; it does not participate in any reactions itself.
What is the application of HPMC in putty powder, and what causes the formation of bubbles in putty powder?
1. Interior wall putty powder: Heavy calcium carbonate 800KG, light calcium carbonate 150KG (Starch ether, pure Qing, Peng run soil, citric acid, polyacrylamide, etc., can be added as appropriate).
2. Exterior wall putty powder: Cement 350KG, heavy calcium carbonate 500KG, quartz sand 150KG, latex powder 8-12KG, cellulose ether 3KG, starch ether 0.5KG, wood fiber 2KG.
What is the relationship between the gelation temperature of hydroxypropyl methylcellulose (HPMC) and something else?
HPMC can be divided into two types: instant soluble and heat soluble. Instant soluble HPMC quickly disperses in cold water, disappearing in the water. At this stage, the liquid does not have viscosity because HPMC is only dispersed in the water and not completely dissolved. After about 2 minutes, the viscosity of the liquid gradually increases, forming a transparent and viscous colloidal solution. Heat soluble HPMC tends to agglomerate in cold water but can rapidly disperse in hot water, disappearing in it. As the temperature decreases to a certain point, viscosity slowly appears until a transparent and viscous colloidal solution is formed. Heat soluble HPMC can only be used in putty powder and mortar, as it tends to agglomerate in liquid adhesives and coatings and cannot be used effectively. Instant soluble HPMC has a wider range of applications and can be used in putty powder, mortar, liquid adhesives, and coatings without any restrictions.
How to judge the quality of HPMC?
HPMC has three functions in putty powder: thickening, water retention, and facilitating construction. It does not participate in any reaction. The formation of bubbles in putty powder can be caused by two reasons: (1) Excessive water content. (2) Applying another layer on top before the bottom layer has dried, which can also lead to the formation of bubbles.