Alumina and other aluminum compounds HomeProductsAlumina and other aluminum compounds Inquiry Save to Favorites GO :::::Sort::::: Name Date Added Popular ↑ ↓ AF-2500SG 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... Read More Inquiry Now Alumina and other aluminum compounds Made in Korea Set accelerator for shotcrete similar grade is meyco sa 160 and sigunit L53AF Made in Korea