Ordinary Portland Cement (OPC)
Comos Cement Industries has been producing Ordinary Portland Cement (OPC) under the brand name "TEJ Gold Cement"
Physical Features of "Tej Gold" OPC Cements
|
Nepal Standard (NS) Minimum Requirement for OPC Cement |
Tej Gold Cement (OPC) | |
| Fineness | ||
| Blain (Cm2/gm) | 2500 | 2800 |
| Compressive Strength (N/mm2) | ||
| 3 Days | 16 | 22+-2 |
| 7 Days | 22 | 37+-2 |
| 28 Days | 33 | 55+-2 | Setting Time (Minutes) |
| Initial (Min) | 30 | 150 |
| Final (Max) | 600 | 285+-30 |
