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Non-ionic associative thickener delivering excellent rheology control in aqueous systems.
High shear-thinning behavior with strong sag resistance and improved leveling performance.
Compatible with a broad range of surfactants, electrolytes, and common co-solvents.
Stable viscosity profile across pH 4–10 without requiring neutralization.
Low foaming characteristic suitable for high-speed industrial coating and cleaning formulations.
Architectural waterborne paints and interior/exterior emulsion coatings.
Industrial maintenance coatings including primers, topcoats, and anti-corrosive systems.
Household and institutional cleaning gels and liquid detergents.
Water-based adhesives and construction sealants requiring controlled flow and open time.
Textile printing pastes and pigment dispersion systems.
| Chemical Type | Non-ionic hydrophobically modified ethoxylated urethane (HEUR) |
| Product Form | Clear to slightly hazy viscous liquid |
| Appearance | Colorless to pale yellow liquid |
| pH (1% aqueous solution) | 6.0 – 8.0 |
| Solubility | Readily dispersible in water; requires gentle mixing |
| Recommended Use Level | 0.1 – 0.8 wt% (based on total formulation) |
| Storage Conditions | Store at 5–35°C in tightly sealed original container |
| Shelf Life | 24 months from date of manufacture when unopened and stored properly |
Q1: What types of systems is SN-THICKENER 618 most commonly used in?
A: SN-THICKENER 618 is primarily formulated for use in water-based industrial coatings, architectural paints, and construction mortars where controlled rheology and anti-sag performance are required. It is especially effective in low-VOC and high-solids formulations.
Q2: How does SN-THICKENER 618 differ from conventional associative thickeners?
A: Unlike many standard HEUR or HASE thickeners, SN-THICKENER 618 delivers a balanced combination of high-shear thinning and robust low-shear viscosity build, supporting both spray application stability and brush/roller sag resistance without excessive water sensitivity.
Q3: Is SN-THICKENER 618 compatible with common biocides and other additives?
A: Yes — SN-THICKENER 618 demonstrates good compatibility with standard isothiazolinone and formaldehyde-releasing biocides, as well as typical dispersants, defoamers, and coalescing agents used in architectural and industrial coating systems.
Q4: What is the recommended addition method for optimal performance?
A: For best results, SN-THICKENER 618 should be added during the let-down stage under moderate agitation. Pre-dilution with water or a compatible solvent is advised to ensure uniform dispersion and avoid localized overdosing.
Q5: Does SN-THICKENER 618 require pH adjustment for activation?
A: No — SN-THICKENER 618 is designed to function effectively across a broad pH range (typically pH 6–10) without requiring specific pH conditioning, making it suitable for diverse formulation environments including alkaline cementitious systems.
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E-mail: wangxingqiang@ericwchem.com
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