Types of Cement Flashcards
1
Q
Cements for HPHT applications
A
API G or H
2
Q
How is Portland Cement Manufactured
A
Combining limestone (calcium carbonate) and clay (silicon oxides+aluminum oxides+iron oxides) in a 2:1 ratio. Heat to temp of 2,600 to 3,000 deg F. Clinker is made, then gound down and mixed with Gypsum.
3
Q
Clinker has what 4 main components
A
C3S - Tricalcium Silicate 50-70%
C2S - Dicalcium Silicate 15-30%
C3A - Tricalcium Aluminate 5-10%
C4AF - Tetracalcium Aluminoferrite 5-15%
4
Q
Hydration Rate of Clinker
A
Hydrates Rapidly: C3A>C3S>C4AF>C2S
