Eagle Styrene Acrylic 72/50

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Eagle Styrene Acrylic 72/50 is a co-polymer emulsion consisting of styrene and acrylic monomers, offered at 50% active solids concentration in water. It appears as a milky-white, low-viscosity liquid with a mild odor. This polymer emulsion combines excellent film-forming properties, adhesion, and mechanical strength, making it widely used in coatings, adhesives, sealants, and functional binders across multiple industries.

Description

Eagle Styrene Acrylic 72/50 Uses

Primary Uses 

Paints & Coatings

  • Serves as a primary binder in interior and exterior water-based paints, delivering excellent film formation, hardness, and scrub resistance.

  • Improves adhesion to various substrates like drywall, metal, and wood.

  • Enhances flexibility to resist cracking and chalking under environmental stress.

Construction & Building Materials

  • Used in acrylic latex caulks, sealants, and joint compounds for excellent seal integrity and flexibility.

  • Acts as a binder in cementitious tile adhesives, masonry coatings, and patching compounds.

  • Improves water resistance, adhesion, and workability of cement renders and stucco finishes.

Adhesives & Binders

  • Incorporated into pressure-sensitive adhesives, enhancing peel and tack strength.

  • Used in hot-melt and cold-water adhesives for bonding paper, board, textiles, and laminates.

  • Employed in nonwoven fabric lamination as a binder to control stiffness and handle time.

Paper & Packaging

  • Serves as a binder in coatings that provide gloss, printability, and water resistance to paper and board.

  • Used in packaging adhesives for corrugated board lamination and box sealing.

Textiles & Fibers

  • Acts as a finishing aid for textile treatments to improve hand feel and dimensional stability.

  • Used in impregnation formulations for fabric reinforcement and coating.

Woodworking & Veneer

  • Used as a wood primer or sealer, improving adhesion of paints and varnishes.

  • Employed in laminating adhesives for plywood and particleboard products.

 

Secondary Uses 

Industrial & Decorative Flooring

  • Used as binder in decorative concrete overlays and thin-set floor toppings.

  • Serves in maintenance coatings for concrete and sports surfaces.

Arts & Crafts

  • Available as a binder in art gesso, craft glues, and decorative coatings.

Automotive & Transportation

  • Incorporated in flexible coatings and primers for metal and composite parts.

  • Serves in interior coatings and adhesives for trim and upholstery.
PRODUCT KEY FEATURES

Basic Identification Attributes

  • Product Name: Eagle Styrene Acrylic 72/50

  • Active Content: 50% solids in aqueous emulsion

  • Styrene/Acrylic Ratio: Approximately 72/28 by weight

  • Appearance: Milky-white liquid emulsion

  • Odor: Mild acrylic/styrene aroma

  • pH (as supplied): Typically 3.5–5.0

  • Viscosity: Low — 100–500 cP (Brookfield, spindle 2/20 rpm)

  • Particle Size: ~150–300 nm (typical styrene–acrylic latex)

Physical & Chemical Properties

  • Film Appearance: Clear, glossy to matte depending on formulation

  • Adhesion: Excellent on porous substrates, metals, and painted surfaces

  • Flexibility: Good — resists cracking across wide temperature ranges

  • Water Resistance: Fair; improves upon mild crosslinking or coalescent use

  • Chemical Resistance: Moderate; resistant to dilute acids and alkalis, weak solvents

  • Stability: Stable if stored properly; can be affected by freezing or bacterial growth

Safety & Hazard Attributes

  • Hazard Class (GHS): Non-hazardous as supplied (aqueous emulsion)

  • Toxicity: Low; not classified as a health hazard in standard aqueous form

  • VOC Content: Typically <50 g/L as per 50% solids basis

  • Flammability: Non-flammable liquid

Storage & Handling Attributes

  • Storage Conditions: Store between 5–38 °C; avoid frost and freezing

  • Container Type: Plastic drums, IBC totes, or lined steel containers

  • Shelf Life: 6–12 months from manufacture date when stored correctly

  • Handling Precautions: Use PPE to avoid splashes; ensure good ventilation

  • Avoid Contamination: Keep containers sealed between uses; add biocide if long retention

Regulatory & Compliance Attributes

  • Complies with major paint and adhesive regulations (incl. TSCA, REACH)

  • VOC levels suitable for low-VOC/GreenSeal, LEED-type, and regional Paint VOC regulations

  • Non-toxic and safe for interior-building applications when fully dried

Environmental & Health Impact

  • Ecotoxicity: Low to moderate; avoid direct discharge to water bodies

  • Biodegradability: Partial biodegradability of polymer components

  • Bioaccumulation: Not expected

Mutagenicity/Carcinogenicity: Not classified

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required:

  • Gloves (nitrile or PVC)

  • Safety goggles or face shield

  • Protective clothing if contact is possible during bulk handling

Handling Guidelines:

  • Prevent aerosol formation; avoid inhalation of spray mists

  • Clean spills with absorbent material, dispose per local regulations

  • Maintain container hygiene to avoid microbial contamination

Storage Measures:

  • Keep sealed and stored away from freezing; gently roll before drawing to re-distribute solids

  • Use FIFO system to avoid age-related gel formation

  • Avoid contact with oxidizing agents

Hygiene Practices:

  • Wash hands after handling

  • Do not eat, drink, or smoke during use

  • Clean splash areas to prevent slips or accidental contact

First Aid Measures

  • Inhalation: Move to fresh air; seek medical attention if respiratory distress occurs

  • Skin Contact: Rinse with water; wash with soap if prolonged exposure

  • Eye Contact: Flush eyes with water for at least 15 minutes; seek medical care if irritation persists

  • Ingestion: Rinse mouth; drink water; seek medical help if large amounts ingested

Firefighting Measures

  • Fire Hazards: Not flammable; water-based emulsion

  • Extinguishing Media: Use water spray, foam, dry chemical, or COâ‚‚ based on surrounding fire

  • Special Precautions: Wear full firefighting PPE and SCBA

  • Decomposition Products: May release CO, COâ‚‚, low-level volatile organic compounds at high heat