Description
ATEK-AF2500SG is special grade with high performance alkali- free liquid set accelerator for NATM shotcrete
system and used generally for tunnel construction
Features
· High early strength and excellent long-term
strength.
. Low dust production during application.
· Makes prompt congelation,solidification.
· Raises the compressive strength by use of refined
raw materials.
· Low rate of rebound loss.
· Non chloride, no corrosion.
Appearance
Beige
Specific gravity (20?)
1.45±0.14g/?
Ph value
(50% water solution)
3±1
Thermal stability
0? to 50?
Na2O EQV
<1.0%
Dosage
C×3-7%
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