Emerald Kalama Chemical

Emerald Kalama Chemical

Cure-Rite® 18/80 Rubber Accelerator

Cure-Rite® 18/80 is the proprietary, non-dusting, high-value blend of our Cure-Rite 18 accelerator, offering excellent dispersibility in all rubber applications.

Cure-Rite® 18/80 (OTOS) is an efficient, thiocarbamyl sulfenamide rubber accelerator that produces short cross-links. The derived vulcanizates improve the compression set, reversion resistance, and oxidative stability of the rubber goods. Additional advantages are obtained due to low heat build-up and low compression set in the field.  Formulators will find technical and economic synergy when Cure-Rite 18/80 is used with Cure-Rite BBTS or Cure-Rite OBTS to vary length of crosslinks and vulcanizate properties.

Cure-Rite 18/80 is used in applications such as natural rubber (NR) compounds—including off-the-road tires or engine mounts—as well as styrene-butadiene rubber (SBR) tread compounds, butadiene rubber (BR) tread compounds, and vibration dampening rubber.

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