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

Mayorchem HY-304D Polyurethane Associative Thickener

Mayorchem HY-304D is a high-performance polyurethane associative thickener from the HY-series, designed for waterborne coatings and inks. It delivers excellent rheology control, outstanding gloss retention, and superior shear-thinning behavior. Compatible with acrylics, vinyl acetates, and styrene-acrylic emulsions, it ensures stable viscosity across pH 4–12 and resists microbial degradation. Ideal for architectural paints, industrial finishes, and flexographic inks.
  • mayorchem hy 304d polyurethane associative thickener_43417884
  • mayorchem hy 304d polyurethane associative thickener_43417884

Features Of Mayorchem HY-304D Polyurethane Associative Thickener

  1. Delivers excellent rheology control with strong pseudoplastic behavior and high sag resistance.

  2. Provides outstanding compatibility with both anionic and nonionic surfactants in waterborne systems.

  3. Offers superior film formation integrity and minimal impact on gloss and clarity in finished coatings.

  4. Enables efficient thickening at low addition levels (typically 0.2–0.6 wt%), reducing formulation cost and viscosity overshoot risk.

  5. Exhibits good freeze-thaw stability and long-term storage stability in architectural and industrial latex paints.

Typical Applications Of Mayorchem HY-304D Polyurethane Associative Thickener

  1. Architectural interior and exterior flat to semi-gloss latex paints.

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

  3. Low-VOC and zero-VOC decorative wall coatings and primers.

  4. Acrylic-based textured coatings and elastomeric wall systems.

  5. Waterborne adhesives and construction sealants requiring shear-thinning rheology.

Specifications Of Mayorchem HY-304D Polyurethane Associative Thickener

Chemical TypePolyurethane associative (HEUR)
Product FormClear to slightly hazy, viscous liquid
AppearanceOff-white to pale yellow liquid
pH (1% aqueous solution)6.5–8.5
Active Content (wt%)30.0 ± 1.5%
Specific Gravity (25°C)1.02–1.06 g/cm³
Solvent SystemPropylene glycol monomethyl ether (PM) / water blend
Primary ApplicationsWaterborne architectural and industrial coatings


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