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

HIMER S-275 Polyurethane Thickener

HIMER S-275 is a hydrophobically modified ethoxylated urethane (HEUR) thickener from the HIMER® S-series by AkzoNobel. It delivers outstanding rheology control, high-shear viscosity enhancement, and excellent gloss retention in waterborne coatings, adhesives, and construction formulations without compromising flow or leveling.
  • himer s 275 polyurethane thickener_e77d49a9
  • himer s 275 polyurethane thickener_e77d49a9

Features Of HIMER S-275 Polyurethane Thickener

  1. Non-ionic, associative polyurethane rheology modifier providing excellent mid-shear viscosity control.

  2. Delivers outstanding sag resistance and brush/roller drag reduction in waterborne coatings.

  3. Compatible with a broad range of latex polymers, surfactants, and co-solvents commonly used in architectural and industrial formulations.

  4. Enables low-VOC and zero-APEO compliant systems without compromising flow and leveling performance.

  5. Stable across pH 4–12 and exhibits minimal sensitivity to electrolytes and freeze-thaw cycling.

Typical Applications Of HIMER S-275 Polyurethane Thickener

  1. Interior and exterior architectural flat and low-sheen latex paints.

  2. Waterborne industrial maintenance coatings for metal and concrete substrates.

  3. Textured coatings and elastomeric wall systems requiring high build and anti-sag properties.

  4. Water-based wood stains and clear finishes where clarity and non-yellowing performance are critical.

  5. Adhesives and sealants requiring controlled open time and application rheology.

Specifications Of HIMER S-275 Polyurethane Thickener

Chemical TypeNon-ionic associative polyurethane thickener
Product FormOpaque, viscous aqueous dispersion
AppearanceOff-white to light beige liquid
pH (1% aqueous solution)6.0 – 8.0
Active Content25.0 ± 1.0 wt%
Specific Gravity (25°C)1.02 – 1.06 g/cm³
Freeze-Thaw StabilityPasses 3 cycles (−18°C for 16 h / 23°C for 8 h)
Primary ApplicationsArchitectural paints, industrial coatings, textured finishes, water-based adhesives


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