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  • Overview
  • Specs
  • Application

Sipernet 22 LS Specialty Silica Thickening Agent | Evonik 

SIPERNAT 22 LS by Evonik is a thickener, rheology modifier and anti-caking agent. It is finely ground silica incorporated through low/medium shear mixer. It offers high flowability and high absorbency. Moreover, it provides structure and reduces salinity difference by half in antiperspirant sticks. It forms active absorbate and powder to creamy formulations.  The shelf life of the product is 24 months after date of manfacture.

SIPERNAT 22 LS is a good thickener for liquid systems and is used in concrete repairs with epoxy systems and polyester resins as a thickening and thixotropic agent to create a smooth, non-sagging, high-strength mixture for structural bonding, filleting, and filling  Sipernat 22 LS is great to mix with composites, coatings, adhesives and sealants, especially epoxy and polyurethane systems for bulking up for various uses including use in crack and joint repairs.  The Sipernat 22 LS brand Fumed Silica is the original, made by Evonik Industries.

 Where is Sipernet 22 LS Used in Concrete Repair Projects?

  • Concrete Cracks, holes, spalls and control joints
  • Concrete Thresholds
  • Uneven Concrete Slabs
  • Garage floors
  • Warehouse floors
  • Freezer floor projects
  • Other applications include:
    • Composites & Molding
    • Industrial, Marine & Protective Coatings
    • Pulp, Paper & Printing Processes
    • Rheology Control
    • Silane Modified Polymers (GENIOSIL)
    • Structural Bonding of Wind Turbines
    • Wind Energy

Why Sipernet 22 LS Silica?

  • Great thickening agent to wide range of coatings including epoxy and polyurethane coatings
  • Allows coatings to be used as great concrete crack, hole, joint and spall repairs
  • When mixed into fast cure epoxy, makes for very quick repairs


Specific Surface Are (BET) 175 m²/g   ISO 594
pH Value 5% in water 6.2   DIN EN ISO 787-9
SiO₂-Content (based on ignited material) > 98 %   DIN EN ISO 3262-19
Loss on drying (2 hours at 105C) 6 %   DIN EN ISO 787-2
Appearance Fluffy white powder
Tamped density 70 g/l   DIN EN ISO 787-11



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