Insoluble Sulphur OT 20 HD

High-dispersion, oil-treated insoluble sulphur for tyre and technical-rubber compounds.

Product overview

OT 20 HD is a stabilised, high-dispersion insoluble sulphur grade used where resistance to sulphur migration and dependable vulcanisation performance are required.

Typical applications

Tyre componentsBelts and hosesRubber-to-metal systemsTechnical rubber goods

Supply and documentation

Fine yellow powder supplied in industrial bags, subject to confirmed producer packing and destination requirements.

Request a quotation
Insoluble sulphur on total sulphur90.0% min.
Total sulphur78.5–81.5%
Total binder content18.5–21.5%
Thermal stability at 105°C82.0% min.
Ash content0.05% max.
Heat loss0.50% max.
Acidity as H₂SO₄0.05% max.
Retention at 100 / 200 mesh0.2% / 2.0% max.

Typical technical values; the applicable TDS and current batch COA govern supply.