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

Domestic HY-303 Acrylic Alkali-Swellable Thickener

Domestic HY-303 is a high-performance acrylic alkali-swellable thickener from the Domestic HY series, designed for water-based coatings and adhesives. It delivers excellent rheology control, outstanding gloss retention, and strong shear-thinning behavior. Compatible with common surfactants and biocides, it ensures stable viscosity across pH 7–12 without gelation. Widely used in architectural paints, industrial coatings, and printing inks for consistent application and leveling.
  • domestic hy 303 acrylic alkali swellable thickener_10c17bc4
  • domestic hy 303 acrylic alkali swellable thickener_10c17bc4

Features Of Domestic HY-303 Acrylic Alkali-Swellable Thickener

  1. High-efficiency viscosity build-up in alkaline aqueous systems upon pH adjustment.

  2. Excellent shear-thinning rheology for improved application performance and sag resistance.

  3. Good compatibility with anionic surfactants, co-solvents, and common water-based formulation ingredients.

  4. Stable thickening effect across a wide temperature range (5–40°C) without significant viscosity loss.

  5. Low odor and non-toxic profile, supporting safer handling and compliance with industrial hygiene standards.

Typical Applications Of Domestic HY-303 Acrylic Alkali-Swellable Thickener

  1. Architectural interior and exterior latex paints.

  2. Water-based wood coatings and primers.

  3. Industrial maintenance coatings and anti-corrosion paints.

  4. Tile grout and cementitious waterproofing slurries.

  5. Textile printing pastes requiring controlled flow and screen stability.

Specifications Of Domestic HY-303 Acrylic Alkali-Swellable Thickener

Chemical TypeAcrylic acid-based alkali-swellable emulsion polymer
Product FormWhite to off-white viscous liquid
AppearanceOpaque, homogeneous dispersion
Active Content (wt%)28–32%
pH (as supplied)2.5–4.0
Viscosity (Brookfield RVT, 2% in 10% NaOH, 25°C)8,000–12,000 mPa·s
Minimum Film Formation Temperature (MFFT)Below 0°C
Storage Stability (25°C, sealed container)≥12 months


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