GeoRoc Geopolymer

GeoRoc® geopolymer spray-applied liner is a high-performance, fiber-reinforced mortar specifically designed for the surface reinforcement and weathering protection of soils, rock and coal strata. It can be applied by pouring, placing, troweling or spraying to almost any surface or shape, making it ideal for rehabilitating tunnels, bridges, roads and other structures. GeoRoc liner creates an integral nanopolymeric structure that continues to react over time, resulting in continuous improved performance and strength. This product rapidly cures, which means that the rehabilitated structure can be quickly put back into service after its GeoRoc liner application. GeoRoc liner can also be used in new construction projects as a replacement for OPC as well as high-performance cement mortars.

Benefits

  • Does not shrink in moderate to extreme conditions 

  • High bonding characteristics 
  • High compressive and flexural strength 
  • Able to withstand harsh conditions

Benefits

  • Does not shrink in moderate to extreme conditions 

  • High bonding characteristics 
  • High compressive and flexural strength 
  • Able to withstand harsh conditions
GeoRoc
GeoRoc™ geopolymer is a high performance fiber reinforced mortar specifically
designed for surface reinforcement and weathering protection of soils, rock and
coal strata. Available in 50 lb (22.7kg) sealed bags.

Applications

  • Civil works
  • Mining
  • Oil & Gas

Benefits

• Adheres to concrete, rock, soil or coal creating a high strength wall
• Designed for mechanical pumping and spraying
• Inorganic polymeric system that adheres strongly to cement surfaces
FAQs
GeoSpray Geopolymer
Have questions? Check out our frequently asked questions regarding our GeoSpray geopolymer mortar. Contact us if you would like to know more.
Geopolymer is a term originally coined by French researcher Joseph Davidovits to describe a class of cement formed from aluminosilicates. Traditional portland cement relies on the hydration of calcium silicates, but geopolymers form by the condensation of aluminosilicates. The kinetics and thermodynamics of geopolymer networks are driven by covalent bond formation between tetravalent silicon and trivalent aluminum. The molar ratio of these key components along with sodium, potassium, and calcium have been shown to affect set-time, compressive strength, bond strength, shrinkage and other desired properties. 
 
In various parts of the world, this type of material is also industrially known as alkali-activated cement or inorganic polymer concrete. Geopolymers are known to provide comparable or better performance to traditional cementitious binders but with the added advantages of significantly reduced greenhouse emissions, increased fire and chemical resistance and reduced water utilization. 
No.  When you see the term geopolymer for the first time, you might assume the material will be a plastic, like HDPE or polyester. While it is true that plastics are polymers, not all polymers are plastics. So instead of thinking of the materials you find that make up plastic bottles or food storage containers, you should imagine a material that behaves like cement.

Our GeoSpray® geopolymer mortar has the look and feel of most standard cements—its geopolymer powder containing pozzolans is mixed directly with water to form a mortar just like standard cement materials. GeoSpray mortar has been specially formulated for centrifugal casting of large diameter pipes, but its processability and workability are like what you might expect from a cement mortar.  

You can think of GeoSpray mortar as an “advanced cement.” Compressive, tensile and flexural properties of GeoSpray mortar have been engineered to meet or exceed the properties you would expect from a cement formulation.

The major advantage of a geopolymer over typical cement mortars is that a geopolymer has the chemistry of an engineered stone. The aluminosilicate network that forms the chemical structure of GeoSpray is like the chemical structure found in natural stones, such as zeolites or quartz. 

This stone-like chemistry is different from the hydration chemistry that is present in standard portland and calcium aluminate cements, which creates a distinct advantage in chemical resistance. Additionally, unlike standard cement mortars, GeoSpray mortar continues to react with itself for decades, building additional strength and enhancing its service life expectancy. 

For additional questions you should be asking your geopolymer supplier, please read our article, “8 Questions to ask Your Geopolymer Supplier.”

In the News
Check out recent articles featuring Milliken Infrastructure and GeoSpray geopolymer.
Considerations When Working with Geopolymer Mortar - Trenchless Technology
Provided by
Joe Royer, PhD
September 10, 2018
Read Full Article