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

Allnex ADDITOL VXW 6388 Polyurethane thickener

Allnex ADDITOL VXW 6388 is a hydrophobically modified polyurethane (HMPEU) rheology modifier designed for waterborne coatings. It delivers outstanding sag resistance, spatter control, and brush/roller application performance without compromising flow or leveling. Compatible with acrylics, vinyl acetate, and hybrid systems, it ensures stable viscosity across pH and temperature variations.
  • allnex additol vxw 6388 polyurethane thickener_e26bad43
  • allnex additol vxw 6388 polyurethane thickener_e26bad43

Features Of Allnex ADDITOL VXW 6388 Polyurethane thickener

  1. Non-ionic, hydrophobically modified polyurethane (HEUR) rheology modifier.

  2. Provides excellent mid-shear viscosity control and outstanding sag resistance in waterborne systems.

  3. Delivers superior gloss retention and low foam generation during high-speed mixing and application.

  4. Compatible with a broad range of acrylic, styrene-acrylic, and PUD-based dispersions.

  5. Enables efficient viscosity build at low addition levels without compromising flow or leveling.

Typical Applications Of Allnex ADDITOL VXW 6388 Polyurethane thickener

  1. Architectural interior and exterior wall paints.

  2. Industrial maintenance coatings for metal and concrete substrates.

  3. Wood coatings including waterborne varnishes and stains.

  4. Automotive refinish basecoats and clearcoats.

  5. General-purpose waterborne protective and decorative coatings.

Specifications Of Allnex ADDITOL VXW 6388 Polyurethane thickener

Chemical TypeHydrophobically Modified Polyurethane (HEUR)
Product FormLiquid concentrate
AppearanceClear to slightly hazy, colorless to pale yellow liquid
pH (1% aqueous solution)6.5 – 8.5
Specific Gravity (20 °C)1.02 – 1.06 g/cm³
Solids Content30.0 – 32.0 wt%
Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25 °C)1,500 – 4,500 mPa·s
Primary ApplicationsWaterborne architectural, industrial, and wood coatings


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