Emerald Kalama Chemical

Emerald Kalama Chemical

Cure-Rite® BBTS Rubber Accelerator

Cure-Rite® BBTS is our first-choice, general purpose, sulfenamide (sulfur donating) rubber vulcanization accelerator. When using Cure-Rite BBTS, manufacturers benefit from fast, zero nitrosamine vulcanization in a broad variety of elastomers. It is fast acting, but also offers delayed action vulcanization, ensuring the development of desirable properties before curing while maximizing productivity. Rubber applications include natural rubber (NR), styrene-butadiene rubber (SBR), nitrile-butadiene rubber (NBR), and butadiene rubber (BR).

Compounders appreciate that Cure-Rite BBTS is added at the end of the mixing cycle and easily disperses in all rubber. Compared to CBS, Cure-Rite BBTS offers better scorch protection at typical loadings (0.5-4.0 phr). Cure-Rite BBTS also has excellent technical and economic synergy with Cure-Rite 18, enabling manufacturers to vary crosslink length and vulcanizate properties.

AttributeValue
Typical Properties
Physical StatePellet & Powder
Melting Point (°C)104-112
Heat Loss (%)0.5 max.
Ash (%)0.5 max.
Moisture (%)0.3 max.
Purity (%)93.0 min
Free Amine (%)0.3 max.
Application GroupApplicationDescription
AutomotiveAutomotive RubberNon-nitrosamine, accelerator used in NR, SBR, BR and blends in automotive applications.
AutomotiveTiresDelayed-action, fast cure, zero nitrosamine, accelerator for NR, SBR & BR in tire tread, sidewall & carcass.
AutomotiveUnder-the-HoodScorch-safe, fast cure accelerator for belting, hoses, seals, mats with excellent rubber properties.
RubberConveyer BeltsNon-nitrosamine, accelerator is synergistic with Cure-rite 18 for superior strength industrial belts.
RubberFootwearNon-nitrosamine, accelerator enables good stretch and rebound in the production of rubber soles.
RubberMolded GoodsAccelerator, non-nitrosamine type, with excellent scorch prevention for molded rubber articles.
RubberRubber GoodsNon-nitrosamine, accelerator used in auto, industrial and household rubber goods.
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