Redispersible Polymer Powder (RDP)
Redispersible Polymer Powder (RDP) is a kind of free-flowing white powder, which is sprayed-dryed by polymer emulsion and after subsequent treatment to keep the stability of powder appearance and character, Redispersible Polymer Powder has high flexibility, high weather resistance and high adhesion to various substrates. It is an important additive in dry-mixed mortar. It can improve the elasticity, bending strength and flexural strength of building materials
Redispersible Polymer Powder Production Process
Benefits and Characters:
- Redispersible Polymer Powder (RDP) is is a copolymer powder of vinyl acetate and ethylene and is dispersible in water.
- RDP could improve adhesion, flexural strength, deformability, abrasion, resistance and are easier to process. Leveling. thixotrop and water retention are essentially unaffected.
- Redispersible Polymer Powder (RDP) has no effect on rheological properties and is a general-purpose powder in the upper Tg range. It is eminently suitable for formulating compounds of high ultimate strength and low emissions.
Application
- Tile adhesive
- Wall putty/skim coat
- Self leveling mortar
- Water proof mortar
- Repair Mortar
- Tile joint fillers
- Adhesive Mortar for EIFS
- Surface mortar for EIFS
.
RDP Specification as below:
|
Items |
RDP-UN10 |
RDP-UN20 |
RDP-UN30 |
RDP-UN40 |
|
Appearance |
White powder, No Lump |
White powder, No Lump |
White powder, No Lump |
White powder, No Lump |
|
Unvolatile,% |
≥98 |
≥98 |
≥98
|
≥98 |
|
Bulk Density(kg/m³） |
450±50 |
450±50 |
450±50 |
450±50 |
|
Ash,% |
≤13 |
≤13 |
≤13 |
≤13 |
|
Glass transition temp(TG) ℃ |
10 |
5 |
15 |
-5 |
|
Average particle diameter(D50)µ m |
60-100 |
60-100 |
60-100 |
≤13 |
|
Fineness,% |
≤10 |
≤10 |
≤10 |
≤10 |
|
Minimum film-forming temp.℃ |
0 |
0 |
0 |
0 |
|
Viscosity of 50% water solution,pa.s |
0.5-2.0 |
0.5-2.0 |
0.5-2.0 |
0.5-2.0 |
Package
Storage
During Storage, please have to protect the product contact with moisture,prolonged storage at temperature above 30℃,carefully store it in a warehouse that provides cool and dry conditions.
