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Non-ionic, hydrophobically modified polyurethane (HEUR) rheology modifier delivering robust mid-shear viscosity control.
Excellent compatibility with anionic and non-ionic surfactants, enabling stable formulations across diverse emulsion systems.
Provides outstanding spatter resistance and sag resistance in architectural coatings without compromising flow and leveling.
Low VOC contribution and APEO-free, supporting sustainable formulation goals and regulatory compliance.
Efficient thickening performance at low use levels (typically 0.1–0.6 wt%), enhancing cost-effectiveness and formulation flexibility.
Interior and exterior architectural waterborne latex paints.
Water-based primers and undercoats for residential and commercial use.
Textured decorative coatings and plaster-compatible finishes.
Waterborne industrial maintenance coatings for metal and masonry substrates.
High-solids, low-VOC coating systems requiring balanced rheology and application performance.
| Chemical Type | Hydrophobically Modified Polyurethane (HEUR) |
| Product Form | Liquid, aqueous dispersion |
| Appearance | Opaque white to off-white viscous liquid |
| pH (as supplied) | 6.5–8.5 |
| Specific Gravity (25°C) | 1.02–1.06 g/cm³ |
| Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C) | 5,000–15,000 cP |
| Primary Applications | Architectural and industrial waterborne coatings |
| Key Features | Mid-shear thickening, spatter resistance, surfactant tolerance, low-VOC compliant |
Q1: What type of rheology does RM-5000 provide in waterborne coatings?
A: RM-5000 is a non-ionic, hydrophobically modified polyurethane (HEUR) thickener that delivers strong pseudoplastic flow behavior—providing excellent sag resistance while maintaining good leveling and spatter control in architectural and industrial waterborne coatings.
Q2: How should RM-5000 be incorporated into a formulation?
A: It is typically added during the let-down stage, after pigments and other high-shear components, under moderate agitation. Pre-dilution with water or a compatible solvent (e.g., propylene glycol) may improve dispersion and reduce viscosity spikes. Avoid high-shear addition directly to undiluted concentrate.
Q3: Is RM-5000 compatible with common co-thickeners and additives?
A: RM-5000 is generally compatible with associative thickeners such as other HEURs and HASE types, and can be used in combination for synergistic rheology control. However, it may show reduced efficiency or phase separation when blended with high levels of ionic surfactants or strongly anionic dispersants—compatibility testing in the final formulation is recommended.
Q4: Does RM-5000 affect gloss or film clarity in clear coats?
A: When properly formulated and dispersed, RM-5000 has minimal impact on gloss retention and optical clarity in transparent systems, making it suitable for high-gloss architectural enamels and wood finishes where appearance performance is critical.
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E-mail: wangxingqiang@ericwchem.com
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