English
Español
tiếng việt
русский
Delivers excellent rheology control with high sag resistance in waterborne coatings.
Provides outstanding compatibility with a broad range of latex polymers and surfactants.
Enables low-shear viscosity build-up while maintaining good flow and leveling performance.
Offers robust freeze-thaw stability and long-term storage stability in formulated systems.
Reduces formulation sensitivity to electrolytes and pH variations compared to conventional thickeners.
Interior and exterior architectural paints (flat, satin, and semi-gloss emulsions).
Industrial maintenance coatings for metal and concrete substrates.
Textured decorative coatings and stucco finishes.
Water-based wood stains and clear finishes.
Low-VOC and zero-VOC compliant coating formulations.
| Chemical Type | Acrylic associative polymeric thickener |
| Product Form | Aqueous dispersion |
| Appearance | Opaque white liquid |
| pH (1% aqueous solution) | 3.0 – 4.5 |
| Active Content (wt%) | 28 – 32% |
| Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C) | 500 – 2,500 mPa·s |
| Primary Applications | Rheology modifier for waterborne acrylic and vinyl-acrylic emulsion paints |
| Key Features | Non-ionic, low-odor, APEO-free |
Q1: What types of formulations is Viscoatex 730 best suited for?
A: Viscoatex 730 is specifically designed for waterborne architectural and industrial coatings, including interior and exterior paints, primers, and texture coatings. Its associative thickening mechanism provides excellent rheology control, sag resistance, and spatter reduction in low-to-medium PVC systems.
Q2: How does Viscoatex 730 differ from cellulosic or non-associative acrylic thickeners?
A: Unlike cellulosics, Viscoatex 730 delivers superior shear-thinning behavior and reduced sensitivity to electrolytes and pH fluctuations. Compared to non-associative acrylic thickeners, it offers enhanced film formation, improved leveling, and better resistance to water pickup during application due to its hydrophobic association network.
Q3: Can Viscoatex 730 be used in combination with other thickeners?
A: Yes — Viscoatex 730 is commonly blended with rheology modifiers such as hydrophobically modified ethoxylated urethanes (HEUR) or fumed silica to fine-tune flow, leveling, and anti-settling performance. Compatibility should be verified empirically in the final formulation, particularly when used with high-surfactant or high-electrolyte systems.
Q4: What is the recommended addition method for optimal performance?
A: For best results, Viscoatex 730 should be added during the let-down stage, after dispersants, pigments, and base binders are fully incorporated. It is typically diluted with water or a compatible co-solvent prior to gradual incorporation under moderate agitation to ensure uniform distribution and prevent localized overdosing.
Q5: Is Viscoatex 730 suitable for low-VOC or zero-VOC formulations?
A: Yes — Viscoatex 730 is APEO-free and contains no added VOCs, making it compatible with modern low-VOC and zero-VOC coating systems. Its performance remains stable across a broad pH range (typically 7.5–10.5), supporting formulation flexibility without compromising regulatory compliance.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
