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Highly effective non-ionic thickener with excellent water solubility and rapid hydration.
Outstanding thermal gelation resistance—maintains viscosity stability up to 90°C in aqueous systems.
Low surface tension and superior film-forming capability for enhanced coating uniformity.
Compatible with common surfactants, electrolytes, and preservatives in formulated systems.
Consistent rheological performance across batch variations due to strict GMP-compliant manufacturing.
Architectural coatings—including interior/exterior latex paints and texture finishes.
Ceramic tile adhesives and cement-based grouts requiring extended open time and sag resistance.
Water-based inks and pigment dispersions for flexographic and gravure printing.
Pharmaceutical suspensions and topical gels where non-ionic, low-irritancy thickeners are required.
Personal care formulations such as shampoos, body washes, and hand sanitizers.
| Chemical Type | Methyl Hydroxyethyl Cellulose (MHEC) |
| Product Form | White to off-white free-flowing powder |
| Appearance | Odorless, fine granular powder |
| Viscosity (4% aqueous solution, 20°C) | Approx. 35,000–45,000 mPa·s |
| pH (1% aqueous solution) | 6.0–8.0 |
| Moisture Content | ≤5.0% (w/w) |
| Solubility | Freely soluble in cold water; insoluble in organic solvents |
| Heavy Metals (as Pb) | ≤20 ppm |
Q1: What are the key functional advantages of Lotte Samsung 83001 MHEC compared to standard HEC or MC thickeners?
A: Lotte Samsung 83001 MHEC combines methyl and hydroxyethyl substituents, offering improved water retention, enhanced compatibility with electrolytes, and better thermal stability than conventional HEC. Its dual substitution also provides more balanced rheology—stronger pseudoplasticity and reduced sensitivity to pH shifts in aqueous systems.
Q2: Is Lotte Samsung 83001 suitable for use in cementitious tile adhesives and self-leveling compounds?
A: Yes—it is widely used in high-performance cement-based mortars due to its excellent water retention, extended open time, and strong anti-sag performance. It maintains viscosity stability during prolonged mixing and under elevated temperatures commonly encountered in summer application conditions.
Q3: How does Lotte Samsung 83001 perform in formulations containing high levels of calcium ions or other multivalent salts?
A: Thanks to its hydroxyethyl groups, Lotte Samsung 83001 exhibits significantly higher tolerance to calcium and other multivalent cations compared to pure methylcellulose. This makes it especially suitable for gypsum- and cement-based systems where ionic strength is inherently high.
Q4: What is the typical dosage range for Lotte Samsung 83001 in architectural coatings?
A: Dosage depends on formulation requirements, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight of the total formulation—to achieve desired viscosity, sag resistance, and spatter control without compromising film formation or gloss.
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