Eco Densi Shield Lithium is a unique environmentally friendly dispersion of nano-sized lithium silicate particles. These small particles penetrate the concrete and react with the soluble calcium compounds to increase the wear resistance and surface strength of concrete floors that have been mechanically ground, smoothed, and polished.

Eco Densi Shield Lithium works effectively to harden, seal, and densify concrete floors. As concrete hydrates, water reacts with cement to form calcium hydroxide and silica, which react to form calcium silicate hydrate (C-S-H). C-S-H is the material that bonds the cement with the aggregate in concrete.

The hydration process produces more calcium hydroxide than is used up in this chemical reaction resulting in excess calcium hydroxide. In the hydration process, calcium hydroxide dissolved in water moves to the surface region of a slab and reacts with atmospheric carbon dioxide, producing calcium carbonate also called “free lime.” Over the long term, excess free lime is troublesome because it is a primary cause of micro-pitting.

Liquid hardeners/densifiers provide a remedy by introducing additional silicates which react with the excess calcium hydroxide to form more C-S-H. Additional C-S-H means denser, harder concrete.
 
USES
Eco Densi Shield Lithium can be used on all cement-based products including concrete, pavers and tiles.
 
ADVANTAGES
Provides greater abrasion resistance to polished concrete floors
Eliminates damage from micro-pitting
Leaves no staining even when pooling and no need to remove excess product
Significantly reduces efflorescence and slab edge dampness
Reduces migration of chemicals and other foreign mater through the slab
Highly reactive requiring less product to complete a job
100% insoluble so it will never wash away
Time effective requiring only 30 seconds for full reaction, no need to leave wet for long periods
Odourless, VOC free and friendly to the environment
Ready to use from container and easy to apply
 
COVERAGE
One application will cover approximately 5 – 20 square metres per litre.