SULPHUR | ROCK PHOSPHATE | PHOSPHORIC ACID | AMMONIA PHOSPHORIC ACID PRODUCT SPECIFICATIONS P2O5 - Minimum 52.5% SO3 - Maximum 3.0% CaO - Maximum 0.2% MgO - Maximum 1.3% Fe2O3 - Maximum 0.55% Al2O3 - Maximum 0.40% F - Maximum 0.45% CL - Maximum 150 PPM Solids - Maximum 1% Density at 20 Degree Centigrade - 1.64 to 1.67gm/cc back Sitemap