Panel · 15–25 mm
Panelised — indicative fig. C·25
Fire A1 Non-combustibleEmbodied carbon Data pending Unit unclearCompressive 20?50 MPa (standard strength grades for E?Crete geopolymer concrete)MPa StructuralDesign life 50yr
Geopolymer panels made with fly ash/slag binders (e.g., E?Crete) target ~80% lower CO2 than OPC and use standard strength grades around 20?50 MPa for precast products.
01 Physical
Density 2100-2600kg/m³
Specific gravity 2.1-2.6
Porosity 10-20%
Water absorption 5-15%
UV resistance Excellent
Chemical resistance Excellent
pH tolerance 2-14
02 Mechanical
Tensile strength 4-7MPa
Compressive strength 20?50 MPa (standard strength grades for E?Crete geopolymer concrete)MPa
Flexural strength 6-12MPa
Poisson's ratio 0.15-0.25
Creep resistance Superior
03 Thermal
Thermal conductivity 0.15-0.48W/m·K
Specific heat 800-1000J/kg·K
Thermal expansion 8-12×10⁻⁶/°C
04 Compliance & Fire First question
Combustibility class Non-combustible
Ignition temp N/A°C
Flame spread index 0
Smoke dev. index 0
Heat release rate 0
05 Sustainability & Health
Embodied carbon ?80% lower CO2 vs OPC (E?Crete LCA claim)
Carbon footprint 0.118
Recyclability 100%
Recycled content 75%
Renewable content 0%
Circular score High
VOC emissions 0
Toxicity rating Low
LEED contribution 3-5
06 Durability · Cost · Logistics
Expected lifespan 50+
Maintenance interval Annual inspection
Lead time 8-12
Annual maintenance 0-5
Market availability Custom order
07 Assessment
Advantages
- 70-90% reduction in embodied carbon versus OPC
- Superior chemical and acid resistance
- Excellent fire resistance (non-combustible)
- High durability in marine environments
- Utilises 75%+ recycled industrial waste
- Lower shrinkage than traditional concrete
- Rapid strength gain potential
- 50+ year design life
Constraints
- Not commercially available in standard panel thicknesses
- Requires custom manufacturing
- Higher initial cost than conventional panels
- Limited local manufacturers
- Requires Performance Solution for NCC compliance
- High alkalinity requires PPE during handling
- Limited Australian test data for thin panels
- No standardised Australian specifications
08 Applications
A1 External cladding systems
A2 Internal wall panels
A3 Fire-rated partitions
A4 Marine environment facades
A5 Chemical-resistant panels
A6 Infrastructure applications
A7 Bushfire-prone area cladding
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.