A).  Physical (Mechanical) Testing of Portland (PNS 07 or ASTM C150),  Blended (PNS 63 or ASTM C595) and Masonry Cement (PNS ASTM C91).

  • Compressive Strength – PNS ASTM C109
  • Setting Time:
    Vicat Needle – PNS ASTM C191
    Gillmore Needle – PNS ASTM C266
  • Autoclave Expansion PNS ASTM C151
  • Fineness:
    Air Permeability (Blaine Test) – PNS ASTM C204
    75-um (No. 200) sieve – PNS ASTM C786
    45-um (No. 325) sieve – PNS ASTM C430
  • Normal Consistency – PNS ASTM C187
  • Density PNS – ASTM C188
  • Early Stiffening (Paste Method) – PNS ASTM C451
  • Air Content PNS – ASTM C185
  • Heat of Hydration – PNS ASTM C186
  • Sulfate Expansion – PNS ASTM C1012
  • Sulfate Resistance – PNS ASTM C452
  • Expansion in Water – PNS ASTM C1038
  • Water Retention – PNS ASTM C1506

B.)  Chemical Analysis of Portland, Blended and Masonry Cements following PNS ASTM C114.

  • Silicon Dioxide (SiO2)
  • Aluminum Trioxide (Al2O3)
  • Ferric Oxide (Fe2O3)
  • Calcium Oxide (CaO)
  • Magnesium Oxide (MgO)
  • Sulfur Trioxide (SO3)
  • Sodium Oxide (Na2O)
  • Potassium Oxide (K2O)
  • Titanium Dioxide (TiO2)
  • Phosphorous Pentoxide (P2O5)
  • Loss on Ignition (LOI)
  • Insoluble Residue (IR)
  • Free Lime (F-CaO)

C.)  Chemical Analysis of Raw and In-process Materials following PNS ASTM C311 and C114.

D.)  Chemical Analysis of Limestone following PNS ASTM C25

E.)  Chemical Analysis of Gypsum following PNS ASTM C451

F.)  Testing of Pozzolan (natural, artificial like flyash etc):

  • For Cement Manufacture: PNS 63:2006 / ASTM C595
  • As Concrete Admixtures: ASTM C618 and C311

G.)  Testing of Blast-Furnace Slag: PNS 69:2005 / ASTM C595