Re-dispersible latex powder has outstanding adhesive strength, improves the flexibility of mortar, and has a longer open time, endowing the mortar with excellent alkali resistance, improving the adhesion, cohesion, flexural strength, waterproofing, plasticity, wear resistance, and workability of the mortar. It also exhibits strong flexibility in flexible crack-resistant mortar.

Performance Specifications Appearance: White powder, free-flowing Solid content (wt%): ≥98.0 Ash content (wt%): 10±2% Bulk density (g/L): 300-500 Protective colloid: Polyvinyl alcohol Particle size: ≤4% above 400um pH value: 6-8 Glass transition temperature Tg (DSC) ℃: Undefined Minimum film-forming temperature (℃): 0～5℃

Our factory produces re-dispersible latex powders including:

· Vinyl acetate-ethylene copolymer powder (Vac/E)

· Ethylene-vinyl chloride-vinyl silicate ternary copolymer powder (E/Vc/VL)

· Vinyl acetate-ethylene-vinyl versatate ternary copolymer powder (Vac/E/VeoVa)

· Vinyl acetate-vinyl versatate copolymer powder (Vac/VeoVa)

· Acrylate-styrene copolymer powder (A/S)

· Vinyl acetate-acrylate-vinyl versatate ternary copolymer powder (Vac/A/VeoVa)

· Polyvinyl acetate homopolymer powder (PVac)

· Styrene-butadiene rubber powder (SBR) etc.

Composition Re-dispersible latex powder is typically white powder, but may have other colors in some cases. Its components include:

· Polymer resin: Located in the core of powder particles, it is the main component that functions in re-dispersible latex powder.

· Additives (internal): Act together with the resin to modify the resin.

· Additives (external): Additional materials added to further expand the performance of re-dispersible latex powder.

· Protective colloid: A hydrophilic material wrapped around the surface of re-dispersible latex powder particles, with the majority being polyvinyl alcohol.

· Anti-caking agent: Fine mineral filler mainly used to prevent powder caking during storage and transportation, and to facilitate powder flow (pouring out from paper bags or tank trucks).

Function

· Re-dispersible latex powder disperses and forms a film, acting as a secondary adhesive to enhance cohesion.

· The protective colloid is absorbed by the mortar system (does not break down after film formation or "secondary dispersion").

· The film-forming polymer resin acts as a reinforcing material distributed throughout the entire mortar system, thereby increasing the cohesion of the mortar.

· In wet mortar:

o Improves construction performance.

o Improves flow properties.

o Increases thixotropy and anti-sagging.

o Improves cohesion.

o Extends open time.

o Enhances water retention.

· After mortar curing:

o Increases tensile strength.

o Increases flexural strength.

o Reduces elastic modulus.

o Improves deformability.

o Increases material density.

o Increases wear resistance.

o Increases cohesion strength.

o Reduces carbonation depth.

o Reduces material water absorption.

o Provides excellent water-reducing properties (when water-reducing latex powder is added).

Advantages

1. Does not need to be stored and transported with water, reducing transportation costs.

2. Long storage period, freeze-proof, easy to store.

3. Small package size, lightweight, convenient to use.

4. Can be mixed with hydraulic binders to form pre-mixed materials modified with synthetic resins. When used, only water needs to be added, which not only avoids errors during on-site mixing but also improves the safety of product handling during transportation.