Specification Purity (P4): 99.9% min Arsenic (As): Grade A: 50 ppm max Grade B: 80 ppm max Grade C: 100 ppm max Grade D: 150 ppm max Sulphur (S): 50 ppm max Packing & Container Loading 1. IMO approved steel drum Volume: 150L N. W.: 200KG G. W.: 250KG 16.8 -19.2MT in 1FCL 2. ISO-Tank Container 20 - 22MT per container