WHAT’S LC3 ?
LC3 stands for Limestone Calcined Clay Cement. It is a combination of clinker, calcined clay, limestone and gypsum. The cement blend uses 50% clinker, 15% non-cement grade (high silica or high MgO content) limestone, 30% calcined low grade china clay (non-ceramic grade) from mines and 5% gypsum.

Journey from Research to Global Adoption
Journey from Research to Global AdoptionProof of concept
- Survey for required clay
- First trial calcination
- Lab scale blend
Proof of concept
- First production trial
- First house built with lC³
- Demonstration on structures
research and application
- Secind Trial Production by a Major Indian Producer
- Performance evaluation
Research and application
- First Pilot prodution by JK Lakshmi Cements
- Applied Research
REsearch and application
- Lab scale testing of clays in Malawi with an international producer
- Trial calcination by another Indian major
- Setting up LC³
research and application
- Third pilot trial by an international major in Malawi
- Feasibility testing of clays in India, Asia and African countries
Dissemination
- Second pilot production by a major Indian producer
- Feasibility studeis in India
Dissemination
- Commercial LC³ production launched in Ivory Coast
- Technical partnerships with equipment suppliers
- Feasibility studies and standards development across Africa
Dissemination
- BIS approval for LC³ standards in India
- Feasibility studies in the Middle East & South Asia
- Asia-Pacific partnership established
dissemination
- LC³ standards in India IS181189
- Feasibility studies in Middle East
- TRC Africa formed
Dissemination
- First commercial production of LC³ by JK Cement
- First commercial usage by Lodha Group
- First commercial usage by Jewar Airport Noida









