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

Mayorchem HY-303 Hydrophobically modified alkali Swellable acrylic Thickener

Mayorchem HY-303 is a hydrophobically modified alkali-swellable acrylic (HASE) thickener from the Mayorchem HY series, delivering exceptional rheology control, high shear viscosity recovery, and outstanding compatibility with surfactants and electrolytes in waterborne coatings and architectural paints.
  • mayorchem hy 303 hydrophobically modified alkali swellable acrylic thickener_87d6276d
  • mayorchem hy 303 hydrophobically modified alkali swellable acrylic thickener_87d6276d

Features Of Mayorchem HY-303 Hydrophobically modified alkali Swellable acrylic Thickener

  1. Delivers excellent viscosity build and rheology control in high-pH aqueous systems.

  2. Provides superior shear-thinning behavior and post-shear viscosity recovery for improved application performance.

  3. Offers enhanced water resistance and film integrity due to hydrophobic modification.

  4. Ensures outstanding compatibility with common surfactants, co-solvents, and biocides in architectural and industrial formulations.

  5. Delivers consistent thickening efficiency across broad temperature and electrolyte conditions.

Typical Applications Of Mayorchem HY-303 Hydrophobically modified alkali Swellable acrylic Thickener

  1. Architectural interior and exterior latex paints.

  2. Water-based wood coatings and stains.

  3. Industrial maintenance coatings and primers.

  4. Textile printing pastes and pigment dispersions.

  5. Adhesives and sealants requiring non-drip rheology.

Specifications Of Mayorchem HY-303 Hydrophobically modified alkali Swellable acrylic Thickener

Chemical TypeHydrophobically modified alkali-swellable acrylic polymer (HASE)
Product FormAqueous dispersion
AppearanceOpaque white to off-white viscous liquid
pH (as supplied)2.5 – 4.0
Solids Content28.0 – 32.0 wt%
Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C)1,500 – 4,500 cP
Key FeaturesRheology modifier, pH-activated, non-ionic/hydrophobic synergy
Primary ApplicationsWaterborne coatings, inks, adhesives, construction chemicals


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