GREY PORTLAND CEMENT 42,5 R/N AND 52,5 / 32,5 (AS EQUAL AMOUNT) R/N BRITISH STANDAR 12/1996, AMRICAN ASTM C 150 OR EUROPEAN UNE 197 1/2000. DEATAILS OF PRODUCTS CHEMICAL COMPOSITION, PHYSICAL AND MECHANICAL PROPERTIES AND COMPRESSIVE STRENGTH IS AS FOLLOWS:

CHEMICAL COMPOSITION (+/-5%)

• Silicon Dioxide (sio2) 20.8 – 21.5
• Aluminum Oxide (Al2O3) 5.30
• Ferric Oxide (Fe2O3) 3.30
• Calcium Oxide (cao) 65.60
• Magnesium Oxide (mgo%) 1.7 – 3.0
• Sulphur Trioxide (SO3) 2.7 – 3.0
• Loss Of Ignition (LOI) 1.8 – 3.0
• Insoluble Residue % 0.1 – 0.7
• Tricalcium Silicate (C3S%) 50.0 – 54.4
• Dicalcium Silicate (C2S%) 14.2 – 18.2
• Tricalcium Aluminate (C3A%) 6.0 – 6.8
• Tricalcium Alumino Ferrice (C4AF%) 11.6
• Chromium (Cr%) 2.0 Max.

PHYSICAL AND MECHANICAL PROPERTIES (+/-5%)

• Blain CM2/GR 3.250
• Autoclave Expansion 0.02
• Normal Consistency % 27.5
• Initial Setting Time (Hours:Mins) 3.25 – 4.50
• Hard Set (Hours:Mins) 4.54 – 6.00
• Fitness Index (CM2/GM) 2800-3040

COMPRESSIVE STRENGTH (+/-5%)

• @ 02 DAYS MINIMUM 12OKG/CM2 MAXIMUM 230 KG/CM2
• @ 28 DAYS MINIMUM 420 KG/CM2 MAXIMUM 640 KG/CM2

QUALITY: BSS12/1996, ASTM C150 0R UNE 197 1/2000-06 OR SUCH SPECIFICATIONS THAT MAY BE REQUIRED.

We have the ability to supply high grade and degreased crushed bones for various applications in the industry. Our crushed bones are mainly used in making fertilizers and manures. The crushed bones are available in two particle sizes which are:
3/8
5/8