Description

Acrysol 644 is a high-performance, water-based acrylic polymer emulsion widely recognized for its rheology modification and thickening properties. This versatile additive is engineered to provide superior flow and leveling control, enhancing the application properties and final film quality of aqueous formulations. It is an essential component for manufacturers in the coatings, adhesives, and construction chemicals industries seeking to optimize product performance and processing efficiency.

Application

• Architectural and Industrial Coatings: Acts as a highly efficient thickener and rheology modifier in latex paints, improving brush drag, spatter resistance, and film build.
• Adhesives and Sealants: Provides viscosity control and stability in water-based adhesive formulations, contributing to improved bonding strength and application characteristics.
• Construction Chemicals: Used in cementitious mortars, tile adhesives, and grouts to enhance workability, water retention, and sag resistance.
• Textile and Paper Coatings: Serves as a binder and thickener in coating formulations, improving finish quality and processing on substrates.
• Personal Care and Household Products: Utilized as a rheology control agent in certain gel-based or creamy formulations to achieve desired texture and stability.

Basic Information

Product Name	Acrysol 644
CAS No.	80043-29-4
Molecular Formula	Proprietary Polymer
Molecular Weight	High Molecular Weight Polymer
Synonyms	Acrylic Emulsion 644; Acrylic Thickener 644; Polyacrylate Emulsion; Rheology Modifier 644; Alkali-Swellable Emulsion (ASE); ASE-644; Acrysol ASE-60 (related grade); Acrylic Rheology Modifier
EINECS	Contact for details

Quality Control

Our production of Acrysol 644 adheres to stringent quality management protocols to ensure batch-to-batch consistency and performance reliability. Each lot is tested against key parameters including viscosity, solids content, pH, and rheological profile. Certificates of Analysis (COA) documenting these results are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 5°C and 30°C (41°F and 86°F). Protect from freezing. Under recommended storage conditions, the product has a typical shelf life of 12 months from the date of manufacture.

Specification

Item	Specification
Appearance	Milky white liquid
Solids Content	28.0 - 30.0 %
pH (as supplied)	2.5 - 4.5
Viscosity (as supplied)	≤ 100 cPs
Viscosity (1% in water, pH 9)	10,000 - 30,000 cPs
Density	~1.05 g/cm³
Ionic Nature	Anionic

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