Clinker
Gimpex has been procuring Clinker business since 2013 and supplying Vietnamese Clinker to various customers in India and Bangladesh.
Clinker – made during the manufacturing process of Portland cement – occurs as lumps of usually 3 mm – 25 mm in diameter, produced by sintering of limestone and aluminosilicate materials such as clay at about 1,450 °C in a rotary kiln.
Portland cement clinker is ground to a fine powder and used as the binder in many cement products. A little gypsum is sometimes added. It may also be combined with other active ingredients or chemical admixtures to produce other types of cement including:
- Silica Fume Cement
- Pozzolana Cement
- Ground Granulated Blast Furnace Slag Cement
Clinkers, if stored in dry conditions, can be kept for several months without much loss of quality. Cement manufacturers purchasing clinkers usually grind it as an addition to their own clinker at their cement plants. Further, Cement Manufacturers also ship clinkers to grinding plants in areas where cement-making raw materials are not available.