Technical specification Appearance: yellow powder (non-flying) Sulphur content (%): 79.0-81.0 Insoluble sulphur content (% min. ): 90.00 High temp. Stability (% min. ) (105 degree*15min): 80 High temp. Stability (% min. ) (120degree*15min): 50 Oil content (%): 19.0-21.0 Acid content (as h2so4), % max.: 0.05 Heating loss (60 degree *2h), % max.: 0.40 Ash, % max.: 0.05 25kg