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Redispersible emulsion powders (VAE) are a crucial component in the construction and building materials industry, known for their versatility and enhancing properties. These powders are essential in improving the performance of various construction products, offering benefits like increased flexibility, adhesion, and water resistance.
What is Redispersible Emulsion Powder (VAE)?
Redispersible emulsion powder (VAE) is a polymer powder obtained by spray-drying an emulsion of vinyl acetate-ethylene (VAE). When mixed with water, it reverts to its original emulsion state, making it an effective additive in various construction materials.
Redispersible Emulsion Powder VAE Importance
Enhanced Performance: Improves the mechanical properties of construction products.
Versatility: Suitable for a wide range of applications in the construction industry.
Ease of Use: Simple to incorporate into dry mix formulations, providing convenience in construction processes.
Properties of VAE Redispersible Emulsion Powder
Chemical Composition
Base Polymer: Vinyl acetate-ethylene copolymer.
Additives: Stabilizers, anti-caking agents, and plasticizers to enhance performance and storage stability.
Physical Characteristics
Appearance: White to off-white powder.
Particle Size: Fine, uniform particles for easy dispersion.
Redispersibility: Quickly redisperses in water to form a stable emulsion.
Performance Characteristics
Adhesion: Provides excellent adhesion to various substrates, including concrete, masonry, and gypsum.
Flexibility: Enhances the flexibility and deformability of construction materials.
Water Resistance: Improves water resistance and reduces water absorption in construction products.
Durability: Increases the durability and longevity of construction materials.
Applications of VAE Redispersible Emulsion Powder
Tile Adhesives
Improved Adhesion: Enhances the bonding strength between tiles and substrates.
Flexibility: Provides flexibility to absorb stress and movement.
External Thermal Insulation Composite Systems (ETICS)
Insulation Boards: Ensures strong adhesion of insulation boards to substrates.
Render: Improves the flexibility and water resistance of the render.
Self-Leveling Compounds
Smooth Finish: Provides a smooth and level finish for floors.
Crack Resistance: Reduces the risk of cracking and shrinkage.
Cementitious Waterproofing
Waterproof Coatings: Enhances the waterproofing properties of cementitious coatings.
Durability: Improves the durability and resistance to environmental factors.
Repair Mortars
Structural Repairs: Strengthens the bonding and repair of damaged structures.
Flexibility: Allows for movement and stress absorption in repaired areas.
Plaster and Skim Coats
Smooth Application: Improves the workability and application of plaster and skim coats.
Adhesion: Ensures strong adhesion to substrates.
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