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

Akzonobel Alcogum L 520 Thickener

AkzoNobel Alcogum L 520 Thickener is a high-performance associative polyurethane (HEUR) rheology modifier in the Alcogum® series. Designed for waterborne coatings and inks, it delivers excellent flow control, sag resistance, and gloss retention without compromising clarity or stability. Compatible with low-VOC formulations, it ensures efficient thickening across shear rates and enhances brushability and leveling.
  • akzonobel alcogum l 520 thickener_920a80d4
  • akzonobel alcogum l 520 thickener_920a80d4

Features Of Akzonobel Alcogum L 520 Thickener

  1. Non-ionic, associative polyurethane (HEUR) thickener offering excellent rheology control in waterborne systems.

  2. Delivers outstanding gloss retention and leveling in architectural and industrial coatings.

  3. Provides strong resistance to microbial degradation without requiring additional biocides.

  4. Enables low-shear viscosity build and high-shear thinning—ideal for spray and roller application.

  5. Compatible with a broad range of latexes, surfactants, and co-thickeners including cellulose ethers and acrylics.

Typical Applications Of Akzonobel Alcogum L 520 Thickener

  1. Interior and exterior architectural wall paints (flat to semi-gloss).

  2. Water-based wood coatings and varnishes.

  3. Industrial maintenance coatings for metal and concrete substrates.

  4. Decorative effect coatings including texture paints and plasters.

  5. Waterborne primers and undercoats for construction and DIY markets.

Specifications Of Akzonobel Alcogum L 520 Thickener

Chemical TypeHydrophobically modified ethoxylated urethane (HEUR)
Product FormClear to slightly hazy, viscous liquid
AppearanceColorless to pale yellow liquid
pH (1% aqueous solution)6.5 – 8.5
Solids Content (wt%)30.0 ± 1.5%
Density (20°C)1.02 – 1.06 g/cm³
Viscosity (Brookfield RVT, Spindle #3, 20 rpm, 25°C)15,000 – 30,000 mPa·s
Primary ApplicationsWaterborne architectural and industrial coatings


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