VAE Powder For External Wall Putty
Vinyl Acetate Ethylene (VAE) powder, also known as Redispersible Polymer Powder (RDP), is commonly used as an additive in the formulation of external wall putty. Here are some key aspects of using VAE powder in external wall putty:
- Adhesion and Flexibility:
- VAE powder enhances the adhesion of the putty to various substrates, which is crucial for an external application where the surface conditions can vary.
- It imparts flexibility to the putty, allowing it to accommodate slight movements in the external walls without cracking.
- Water Resistance:
- VAE powders are often formulated to provide water resistance to the putty. This is important for external applications where the material needs to withstand exposure to weather conditions, including rain.
- Durability and Weather Resistance:
- The use of VAE powder contributes to the durability and weather resistance of the external wall putty. It helps protect the walls from environmental factors, such as UV radiation and temperature fluctuations.
- Crack Resistance:
- VAE powder aids in preventing or minimizing the formation of cracks in the putty layer. This is essential for maintaining the integrity of the external wall surface.
- VAE powder is typically added to the dry mix of external wall putty during its formulation. The recommended dosage and mixing instructions may vary, and it’s crucial to follow the manufacturer’s guidelines for the specific product being used.
- Compatibility with Other Additives:
- VAE powder is often compatible with various other additives, such as thickeners, dispersing agents, and fillers. These additives may be included in the formulation to achieve specific properties.
- Technical Data Sheets:
- Manufacturers of VAE powder and external wall putty products usually provide technical data sheets that offer detailed information about the product’s composition, recommended dosage, and application instructions. It’s advisable to refer to these documents for accurate guidance.