It is a kind of white or yellowish granule or powder with a wide range of water-soluble and environment-friendly macromolecular polymers. Its performance is between plastic and rubber. Smoothness, oil resistance, solvent resistance, protective colloid, gas barrier, abrasion resistance and thermal stability.
It is also used as the raw material of vinylon fiber, which has high strength, good moisture absorption, abrasion resistance, light resistance and corrosion resistance. Tire cords, fishing nets and ropes are also ideal substitutes for asbestos.
It can also be used in the field of papermaking, especially as pigment binder and vinyl acetate emulsification, polymerization, film, asbestos, inorganic binder, temporary protective film and PVB resin.
Viscosity 200000/150000/100000 mpas hydroxy propyl methyl cellulose HPMC for tile adhesive, mortar, cement, detergent, gypsum
Function of HPMC in gypsum products
1. Improves water retention and processability and improves adhesion to substrates.
2. Insensitive to the alkalinity of gypsum, it can quickly penetrate into various gypsum products without lumping.
3. No negative impact on the porosity of cooked gypsum products, ensuring the breathing performance of gypsum products.
4. Good retarding effect, does not affect the growth of gypsum crystals.
5. Suitable wet adhesion to ensure the bonding ability of the material to the substrate.
6. Greatly improves the construction performance of plaster products, easy to spread, no sticky knife.
Key Properties of Redispersible polymer powder RDP
- Increase adhesive/cohesive strength
- Higher flexural strength
- Excellent rheology
- Improved workability
- great durability and abrasion resistance
- Improved water retention capability and open time
RDP-VAE has good dispersibility and can be re-emulsified into stable polymer emulsion after adding water, so as to improve the performance of the product .
It is the powder formed by spray drying of polymer emulsion, also known as dry powder glue.
This powder can be rapidly reduced to emulsion upon contact with water, and maintain the same properties as the initial emulsion,that is, the evaporation of water will form a film, this film has high flexibility, high weather resistance and high adhesion to a variety of substrates.
This kind of products are mainly used in external wall insulation, ceramic tile bonding, interface treatment, bonding plaster, plastering plaster, building inside and outside putty, decorative mortar and other construction fields, with a very broad range of use and good market prospects.
Its promotion and application, greatly improve the performance of traditional building materials, greatly improve the building materials of the cohesive force, cohesion, flexural strength and impact resistance, wear resistance, durability, so that the building products with its excellent quality, high-tech content, to ensure the quality of construction projects.
