Technical datasheet

Attagel® 40

Supplied byBASF- Last Updated on Oct 30, 2025

Attagel® 40 by BASF is a fine-milled, specialty attapulgite. Used as a very good thixotropic thickening agent for water-borne and solvent systems in adhesives, sealants and caulks. Provides sag resistance, viscosity control, spreadability and very good feathering at low cost.
  • Offers syneresis (liquid separation) control, pigment suspension, good film build, reduced water sensitivity, bacteria, chemical and spatter resistance, very good binding and tabletting features and improved extrusion properties.
  • Attagel® 40 gives very good thickening and thixotropic performance in high-quality water-borne systems.
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For which system

Adhesives|
Water-based Adhesives|
Solvent-based Adhesives|
Sealants

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Attagel® 40 properties

Other properties

PropertiesValue & unitTest conditionTest method
Hegman Fineness of Grind0.0 Visible After LoginVisible After LoginVisible After Login
Ignition Loss0.0 Visible After LoginVisible After LoginVisible After Login
Moisture Content0.0 Visible After LoginVisible After LoginVisible After Login
Oil Absorption Number (OAN)0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size0.0 Visible After LoginVisible After LoginVisible After Login
Particle Size0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login
Surface Area, BET0.0 Visible After LoginVisible After LoginVisible After Login
Volatile Content0.0 Visible After LoginVisible After LoginVisible After Login
pH0.0 Visible After LoginVisible After LoginVisible After Login

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