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  • Order by 2pm for Same Day Dispatch


Form Clear, Colourless Liquid

Specific Gravity 1.10pH11.5

Weight 200 kg

Active Content 14%

Total Solids 14%

Voc Content 0 g/L

Flash Point 0° C

Shelf Life 2 Years in tightly sealed, unopened container

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Product Information

C2 Hard Blend is a concentrated blend of silicates designed specifically for steel-troweled or burnished concrete floors. This penetrating, economical treatment reacts with the concrete to quickly create a harder, denser surface. C2 Hard Blend is safer and easier to apply than conventional sodium silicate hardeners.

  • Concentrated lithium silicate blend hardener & densifier for concrete.
  • Specifically designed for steel trowelled, power trowelled or burnished concrete finishes.
  • Provides better abrasion resistance than conventional hardeners and can be burnished for a quick sheen.

Find out why C2 Lithium Densifiers are the market leaders!


  • Easy, one-step application. No scrubbing. No flushing. No caustic wastewater.
  • Specifically designed for steel- troweled, power troweled or burnished concrete finishes.
  • Supplied as a concentrate for economical shipping. C2 Hard Blend must be diluted 1:1 with clean water prior to use.
  • Penetrates and reacts quickly to produce better initial and ultimate hardness.
  • Provides better abrasion resistance than conventional hardeners.
  • Can be burnished for a quick sheen.
  • Breathable and U -stable. Will not yellow, discolor, peel or flake.
  • VOC- Compliant. Non-flammable. Non-toxic.
  • Low-odor.
  • Cures quickly. Floors can be opened to traffic once dry.
  • Treated surfaces are easier to maintain.
  • May enhance or darken certain substrates


Coverage Rates

Variations in concrete quality, porosity, job site conditions, temperature and relatively humidity will affect coverage rates and drying times. The following figures are for estimating only. 

  • 10 - 20m2/L



  • Will not prevent water penetration through structural cracks, defects or open joints.

Contact the team at All Preparation Equipment to discuss your polished concrete chemical or tooling requirements further, ph. 1800 422 992 or shop the range of options online on the below links:

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