Insoluble sulfur OT20 / Insoluble sulfur HD OT20 / Insoluble sulfur HS OT20

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