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CLINKER
 Definition

Clinker is the basic input in the production of all the cement types CEM I to CEM V. Clinker is a pebbly rock-like substance that is made by heating limestone and other raw materials to a very high temperature in a kiln. Though limestone is the main material necessary for the production of clinker, other substances are involved, too.

Limestone 83%
Sand 5%
Gypsum 4%
Shale 3%
Clay 3%
Iron material  1%
Other 1%

 Storage

Clinker, if stored in dry conditions, can be kept for several months without appreciable loss of quality. Because of this, and because it can easily be handled by ordinary mineral handling equipment, clinker is traded internationally in large quantities.

 

 Usage

N/A

 Typical Composition
Element Typical Content
Lime Saturation Factor 93.00 - 98.00
Silica Module 2.10 - 2.60
Alumina Module 1.05 - 1.30
C3S 58.00 - 65.00%
C2S 11.00 - 16.00%
C3A 4.00 - 7.50%
C4AF 11.00 - 16.00%
SO3 0.30 - 0.95%
MgO 1.00 - 2.00%
Insoluble Residue Max. 2
Loss On Ignition Max. 5
Free Lime Max. 1.90
Alkali Equivalent 0.65 - 0.85%
 Contact
Sami Zacca / Philippe Zacca


 
     
 
Bulk Group