Description

Polymerc-65, Styrene-Acrylate Copolymer is a high-performance synthetic resin engineered for durability and versatility. This copolymer is valued for its excellent film-forming properties, adhesion, and resistance to water and weathering, making it a critical component in high-quality industrial formulations. It is essential for manufacturers in the coatings, adhesives, construction, and textile industries seeking to enhance product performance and longevity.

Application

• Architectural and Industrial Coatings: Used as a primary binder in water-based paints and varnishes, providing excellent gloss, scrub resistance, and weatherability.
• Adhesives and Sealants: Serves as a key component in pressure-sensitive adhesives (PSA), construction adhesives, and caulks, offering strong bonding and flexibility.
• Textile and Non-Woven Binders: Applied as a binder for fabrics and non-woven materials to improve durability, hand feel, and wash resistance.
• Paper and Paperboard Coating: Enhances the surface strength, printability, and water resistance of paper products.
• Leather Finishing: Used in topcoat formulations to provide a protective, flexible, and glossy finish.
• Construction Materials: Incorporated into cement modifiers and tile adhesives to improve workability, adhesion, and water retention.

Basic Information

Item	Details
Product Name	Polymerc-65, Styrene-Acrylate Copolymer
CAS No.	57516-68-4
Molecular Formula	(C8H8·C3H4O2)n
Molecular Weight	Varies (Polymer)
Synonyms	Styrene Acrylate Copolymer; Acrylic-Styrene Copolymer; Styrene/Acrylic Copolymer; SA Copolymer; Poly(Styrene-co-Acrylate); Acrylic Styrene Resin; Joncryl; Joncryl 63; UCAR Latex 430; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Styrene-Acrylate Copolymer is manufactured under a strict quality management system. Each batch undergoes comprehensive testing for critical parameters including solid content, viscosity, pH, glass transition temperature (Tg), and mechanical properties to ensure consistent performance and batch-to-batch uniformity. Certificates of Analysis (COA) documenting these specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Avoid freezing and prolonged exposure to extreme heat. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Milky white emulsion
Solid Content	45 - 50 %
pH Value	7.0 - 9.0
Viscosity (Brookfield)	500 - 3000 cP
Glass Transition Temperature (Tg)	Approx. 20 - 30 °C
Minimum Film Forming Temperature (MFFT)	< 10 °C
Particle Size	0.1 - 0.3 µm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.