Characteristics of blocks : | Steam Curing - AAC | Natural Curing - ALC/NAAC |
---|---|---|
Density | 600-750 | 600-800 |
Compressive strength required | 30+ Kg/cm² After 3 Days |
25+ Kg/cm² After 28 Days |
Change in strength | No gain in strength in Future | Gain in strength Day by Day |
Block shipment | Next Day | Can ship After 10 Days |
Water absorption | 20-24% | 12-20% |
Raw material | Water Cement Lime Gypsum Fly ash Aluminum powder Coal/Wood (for steam) |
Water Cement Lime Gypsum Fly ash Aluminum powder Supplementary additives (hardener etc.) |
Curing type | Pressurize steam | Natural (water) curing |
Curing period | 12 Hours | 10 Days minimum |
Compressive strength and water absorption percentage are related to density. |