Cement - 42.5,52.5,V

White Cement, Ordinary Portland Cement 42.5, Ordinary Portland Cement 52.5, sulphate resistant Cement V - details see: https://www.buildingsupplieshub.com/cement-10083633

Place of Origin: Iran (Islamic Republic of)	Model Number: 42.5,52.5,V	Color: Grey	Main Raw Material: Aluminate
Type: Portland Pozzolan Cement	Hardening Feature: Rapid Hardening	Heat of Hydration: Low-Heat	Strength Grade(Mpa): 42.5

Portland Cement is used where cement or concrete is not subject to specific exposure such as Sulfate attack.

Chemical Composition

	MIN	MAX
Silicone Dioxide	20.50	22.00
Aluminium Oxide	4.60	5.30
Ferric Oxide	3.50	4.0
Calcium Oxide	63.00	65.00
Sulphur Trioxide	1.50	2.50
Potassiom Oxide	0.50	0.70
Loss on Ignition	1.00	2.50
Insoluble Residue	0.10	0.70
Free Lime	0.70	1.40
LSF	92.0	97.0
Silica Module	2.40	2.60
Alumina Module	1.20	1.40
Tricalcium Silicate	50.00	60.00
Dicalcium Silicate	15.00	25.00
Tricalcium Aluminate	5.00	8.00
C4AF	10	12
MgO	1.50	2.50
NA2O	0.30	0.50

Physical Properties

Fineness - Blaine Test	2900 cm2/g	3200 cm2/g
Expansion -Autoclave	0.05 %	0.16 %
Setting time- initial	120 Min	160 Min
Setting time - final	170 Min	310 Min

Compressive Strenght - 3 days	200kg/cm2	250kg/cm2
Compressive Strenght - 7 days	270kg/cm2	320kg/cm2
Compressive Strenght - 28 days	350kg/cm2	420kg/cm2