Acrylic Emulsion Polymer — Styrene-Acrylic Copolymer (SAC)

Description

1. Product Overview

Acrylic Emulsion Polymer — Styrene-Acrylic Copolymer (SAC) is a high-performance water-based polymer dispersion engineered for superior film formation, adhesion, and durability across demanding industrial applications. It is widely used as a binder in architectural coatings, construction materials, adhesives, and surface treatments where long-term weather resistance and mechanical strength are critical. The product delivers an optimal balance of hardness, flexibility, and chemical resistance, making it a preferred choice for formulators seeking high-performance waterborne systems. Its strategic importance lies in its ability to replace solvent-based resins, supporting regulatory compliance and sustainability-driven market transitions.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Styrene-Acrylic Copolymer (Acrylic Emulsion Polymer System)
• Solid Content: Typically 45% – 55% (grade dependent)
• Appearance: Milky white liquid emulsion
• Particle Size: Fine dispersion (0.1 – 0.3 μm typical)
• pH Level: 7.5 – 9.0 (adjustable by grade)
• Viscosity: Medium viscosity, customizable for application needs
• Density: ~1.03 – 1.10 g/cm³
• Packaging Options: 200 kg HDPE drums / 1000 kg IBC tanks / bulk tanker supply
• Shelf Life: 6 – 12 months under recommended storage conditions

3. Core Industrial Applications

• Architectural Coatings: Interior and exterior wall paints, primers, and protective coatings
• Construction Materials: Cement modification, waterproofing systems, and mortars
• Adhesives & Sealants: High-bond strength formulations for industrial and packaging adhesives
• Textile & Paper Coatings: Enhances surface strength, gloss, and water resistance
• Industrial Finishes: Protective coatings for metal, wood, and composite surfaces

This copolymer outperforms conventional binders by offering enhanced weatherability, improved scrub resistance, and superior pigment binding efficiency. Its waterborne formulation also reduces VOC emissions while maintaining high durability and film integrity.

4. Competitive Advantages

• Consistent Quality: Strict batch-to-batch uniformity ensures predictable formulation performance
• Reliable Supply Chain: Scalable production capacity for continuous industrial demand
• Efficient Logistics: Global export readiness with stable cold-chain-compatible handling
• Cost Efficiency: Optimized formulation reduces overall binder loading requirements
• Sustainability: Low-VOC, water-based chemistry supports environmental compliance standards
• Technical Support: Full documentation, COA, TDS, and formulation assistance available

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20–22 MT per 20-foot container (depending on packaging configuration)