Ready Mix Concrete of all Classes, from 15 N/mm2 – 75 N/mm2 at 28 days composite strength. CEMIX concrete is produced according to international and national standards including BS, ASTM, ACI, DIN and EN. The different classes of concrete include - Durable Concrete, Pressed Stressed Concrete, Self Compacted Concrete, Grout Concrete, Screed Concrete and Normal Concrete.