Portland-composite cement: complies with the physical and chemical requirements specified in the Dominican Technical Regulation/ ‘RTD 178 “ Hydraulic cements, Portland cements, specifications and classifications ”, and with other international standards as well. A product with constant quality, created to obtain mortar and concrete mixtures with highly workable and very good setting characteristics.
According to RTD 178
|Chemical requirements||Physical requirements||Mechanical requirements|
|sulfate content (as SO3) ≤ 4.0 %||initial setting time ≥ 45 min||compressive strength at 28 days ≥ 27.5 MPa|
|specific surface (blaine) ≥ 2800 cm2/g|
|autoclave expansion ≤ 0.80%|