Stay up-to-date with the latest news from The SEFA Group.
The SEFA Group is heavily involved in the promotion of ready mixed concrete through our participation in many ready mixed concrete associations.
Chemical Composition
Portland Cement
Class F Fly Ash
21.95%
SILICA
52.8%
5.1
ALUMINA
22.3
63.8
LIME
trace
2.4
IRON
9.2
SULFUR
0.7
2.7
MAGNESIUM
0.2
0.5
AVAILABLE ALKALIES
1.2
LOSS ON IGNITION
3.2
3.15
SPECIFIC GRAVITY
2.25
South Carolina 217 Cedar Road Lexington, SC 29073 Toll Free 888.339.SEFA
