Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

San nopco SN-THICKENER 621N Thickener

San Nopco SN-THICKENER 621N is a high-performance associative thickener from San Nopco’s SN-THICKENER series, designed for waterborne coatings and construction mortars. It delivers excellent rheology control, sag resistance, and shear-thinning behavior while maintaining viscosity stability across pH and temperature variations. Widely used in architectural paints and tile adhesives for superior application properties and film formation.
  • san nopco sn thickener 621n thickener_2ab9f4d0
  • san nopco sn thickener 621n thickener_2ab9f4d0

Features Of San nopco SN-THICKENER 621N Thickener

  1. Non-ionic, high-efficiency associative thickener for water-based systems.

  2. Provides excellent rheology control and sag resistance in vertical applications.

  3. Compatible with a broad range of anionic and non-ionic surfactants.

  4. Delivers outstanding shear-thinning behavior and low-shear viscosity enhancement.

  5. Stable across pH range 4–12 and tolerant to moderate levels of electrolytes.

Typical Applications Of San nopco SN-THICKENER 621N Thickener

  1. Architectural coatings including interior and exterior latex paints.

  2. Industrial maintenance coatings and protective finishes.

  3. Water-based adhesives and construction sealants.

  4. Tile grouts and cementitious repair mortars.

  5. Textile printing pastes and pigment dispersion systems.

Specifications Of San nopco SN-THICKENER 621N Thickener

Chemical TypeNon-ionic hydrophobically modified ethoxylated urethane (HEUR)
Product FormOff-white to light amber viscous liquid
AppearanceHomogeneous, free-flowing liquid
Active Content30.0 ± 1.5 wt%
pH (1% aqueous solution)6.5 – 8.5
Viscosity (Brookfield DV-II+ @ 6 rpm, 25°C)3,000 – 8,000 cP
SolubilityWater-miscible; forms clear to slightly hazy solutions
Storage Stability12 months at 5–30°C in unopened original container


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