Insoluble sulfur HS OT20 / Insoluble sulfur OT20 / Insoluble sulfur HD OT20 / Insoluble sulfur IS7020 Specification: Appearance: Non-dusting yellow powder. Total Sulfur Content %: 79.0-81.0 Insoluble Sulfur (On total Sulfur) % min.: 90 Thermal stability (105 deg. x15min) % min: 80 Thermal stability (120deg. x15min) % min: 40 Oil Content%: 19.0-21.0 Acidity (H2SO4) % max.: 0.05 Heating Loss (60deg.x4h) % max.: 0.50 Ash Content % max.: 0.15 Sieve Residue (150m) % max.: 0.30
