Disinfectant Fluid Black of Class A, Normal Type, Grade, RWC Min.18. Formulated from Coal Tar Acids, Phenols and Substitued Phenols to give a very high Germicidal value (Bacteria Killing Property). Advised for use at police cells and at places where dried Human blood, Urine, Sputum and Organic matter accumulates. To contain sprear of epidemic in poultry Farms and Hatcheries and for washing animal penns, cages etc. Peters Pynol-18 is also invariable used. Recommended dilutions. Depending up on the place of use dilute 20ml in 4 Ltrs of water or can be sprayed directly on the surface for better and immediate results.