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Crystex™ HS OT 20

Technical Datasheet | Supplied by Eastman
Crystex™ HS OT 20 by Eastman is a non-blooming vulcanizing agent for unsaturated elastomers. It retards bin scorch, prevents migration of sulfur and preserves surface tack. It offers thermal stability, non-staining and non-discoloring properties. It is a metastable product that can revert to soluble sulfur if not stored under proper conditions. At vulcanization temperatures, it will de-polymerize to soluble sulfur and behaves similarly to "Rubber Maker's" sulfur. It is used in compounds containing a relatively large sulfur loading above the solubility of sulfur in the elastomer. Reversion of this grade to soluble sulfur is also catalyzed by alkaline products. Crystex™ HS OT 20 is used in tires and other plied-up rubber goods.
Product Type
Vulcanizing Agents
Chemical Composition
Polymeric sulfur
CAS Number
9035-99-8, 7704-34-9
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