Insoluble Sulfur
CAS NO.: 9035-99-8
Specification:
| Item | OT10 | OT 20 | OT33 |
| Appearance | Yellow Powder | ||
| Total sulphur content % | 90±1 | 80±1 | 67±1 |
| Insoluble sulphur content ≥% | 80 | 72 | 60 |
| Insoluble sulphur(in total sulphur) ≥% | 90 | 90 | 90 |
| Insoluble sulphur content(105°C*15min.) ≥% | 75 | 75 | 75 |
| Oil content % | 10±1 | 20±1 | 33±1 |
| Ash (Max) ≤% | 0.15 | 0.15 | 0.15 |
| Acidity(as H2SO4) (Max) ≤% | 0.05 | 0.05 | 0.05 |
| Fineness(100mesh) ≥% | 99.8 | 99.8 | 99.8 |
What is insoluble sulfur?
Insoluble sulfur, also called polymerized or elastic sulfur, is a form of sulfur created by heating normal sulfur, making it a long-chain polymer that doesn’t dissolve in carbon disulfide, unlike regular sulfur. Its key use is as a superior vulcanizing agent in the rubber industry, particularly for tires and belts, because it prevents „blooming“ (migration) and improves adhesion, heat resistance, and durability of rubber products.
Packing:
In 25kgs bag.
Storage:
The product should be stored in the dry and cooling place with good ventilation, storage temperature less than 40℃,avoiding fire heat, moisture and pressure agglomeration. And it can not be mixed with amines and alkaline substances, preventing blocking from stacking. The validity is six months.