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

BASF Rheovis AS 1130 Alkali Swellable emulsion Thickener

BASF Rheovis AS 1130 is an alkali-swellable emulsion thickener from the Rheovis® series, delivering efficient viscosity build-up in waterborne coatings upon pH adjustment. It offers excellent sag resistance, gloss retention, and shear-thinning behavior while ensuring good compatibility with common surfactants and co-thickeners.
  • basf rheovis as 1130 alkali swellable emulsion thickener_d4624527
  • basf rheovis as 1130 alkali swellable emulsion thickener_d4624527

Features Of BASF Rheovis AS 1130 Alkali Swellable emulsion Thickener

  1. High-efficiency rheology modifier delivering strong pseudoplasticity and excellent sag resistance in waterborne systems.

  2. Alkali-activated thickening mechanism ensures rapid, controllable viscosity build-up upon pH adjustment (pH ≥ 8.5).

  3. Excellent compatibility with common anionic and nonionic surfactants, co-binders, and pigments in architectural and industrial coatings.

  4. Low foaming profile supports high-shear application processes including roller, brush, and spray.

  5. Stable performance across broad temperature and freeze-thaw cycles when formulated correctly.

Typical Applications Of BASF Rheovis AS 1130 Alkali Swellable emulsion Thickener

  1. Interior and exterior architectural wall paints (low-VOC and zero-VOC formulations).

  2. Water-based primers and undercoats for improved leveling and film uniformity.

  3. Textured decorative coatings and plasters requiring high wet-film build and anti-drip properties.

  4. Industrial maintenance coatings for metal and concrete substrates.

  5. Water-based wood stains and clear finishes where clarity and low haze are critical.

Specifications Of BASF Rheovis AS 1130 Alkali Swellable emulsion Thickener

Chemical TypeAcrylic acid-based alkali-swellable associative (ASE) emulsion
Product FormWhite to off-white viscous liquid emulsion
AppearanceOpaque, homogeneous liquid; slight characteristic odor
pH (as supplied)3.0 – 4.5
Solids Content30.0 ± 1.0 wt.%
Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C)500 – 2,500 mPa·s
Minimum Activation pH≥ 8.5
Storage Stability≥ 6 months at 5–30°C in unopened original container


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