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High-efficiency associative rheology modifier delivering excellent sag resistance and brush/roller drag control.
Provides outstanding mid-shear viscosity development for optimal application performance in waterborne architectural coatings.
Compatible with a broad range of latex polymers, pigments, and common formulation additives.
Enables low-foam performance and good compatibility with defoamers and co-thickeners.
Offers robust freeze-thaw stability and long-term storage viscosity retention.
Interior and exterior flat to semi-gloss acrylic emulsion paints.
Low-VOC and zero-VOC decorative wall coatings.
Textured coatings and elastomeric finishes.
Primer-sealers and masonry coatings.
Waterborne decorative wood and metal primers.
| Chemical Type | Hydrophobically modified ethoxylated urethane (HEUR) |
| Product Form | Clear to slightly hazy viscous liquid |
| Appearance | Pale yellow to light amber liquid |
| Primary Applications | Architectural waterborne coatings |
| Key Features | Associative thickening, shear-thinning behavior, low foam generation |
| Benefits | Improved application properties, enhanced leveling, reduced spattering |
| pH Range (as supplied) | 6.5 – 8.5 |
| Recommended Use Level | 0.1 – 0.8 wt% (based on total formulation) |
Q1: What type of rheology does SL 70 provide in architectural coatings?
A: SL 70 is a hydrophobically modified ethoxylated urethane (HEUR) thickener that delivers balanced pseudoplastic rheology—providing excellent sag resistance during application while maintaining good leveling and brush/roller drag characteristics.
Q2: How should SL 70 be incorporated into water-based architectural formulations?
A: SL 70 is typically added during the let-down stage, after pigments and fillers are dispersed. It should be diluted with water or co-solvent prior to addition and mixed under moderate shear to ensure uniform distribution and optimal performance.
Q3: Is SL 70 compatible with common biocides and surfactants used in interior and exterior paints?
A: Yes, SL 70 demonstrates broad compatibility with standard isothiazolinone and benzisothiazolinone biocides, as well as nonionic and anionic surfactants commonly employed in modern architectural coating systems.
Q4: Can SL 70 be used in low-VOC or zero-VOC formulations?
A: Yes, SL 70 is suitable for low- and zero-VOC architectural coatings, as it contains no volatile organic solvents and contributes negligible VOC content when used at typical dosage levels.
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E-mail: wangxingqiang@ericwchem.com
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