The main difference between the CEM II/ A-M and the CEM II/B-M is the different percentage of ingredients. PCML is also certified by Bangladesh Standards and Testing Institution (BSTI) bearing license no. 7764/G-18/2013. Its strength is 42.5 N. The ingredients with percentage are given below:
Clinker : 65-79%
Fly ash, Slag & Limestone: 21-35%
Gypsum : 0-5%