Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

LAN-XESS Vulkacit Merkapto/C Accelerator

LANXESS Vulkacit® MBT-C is a mercaptobenzothiazole-based ultra-accelerator for sulfur vulcanization of natural and synthetic rubbers. Part of LANXESS’s premium Vulkacit® accelerator series, it delivers rapid cure onset high scorch safety and excellent physical property development. Widely used in tires industrial rubber goods and technical parts requiring efficient processing and consistent performance.
  • lan xess vulkacit merkapto c accelerator_a43c3ccb
  • lan xess vulkacit merkapto c accelerator_a43c3ccb

Features Of LAN-XESS Vulkacit Merkapto/C Accelerator

  1. Highly efficient secondary accelerator for sulfenamide-based vulcanization systems.

  2. Enables excellent scorch safety while maintaining fast cure rates in natural and synthetic rubbers.

  3. Improves crosslink density and enhances final vulcanizate properties, including tensile strength and heat resistance.

  4. Compatible with common sulfur donors and primary accelerators such as CBS and TBBS.

  5. Low volatility and good storage stability under standard warehouse conditions.

Typical Applications Of LAN-XESS Vulkacit Merkapto/C Accelerator

  1. Passenger and truck tire tread compounds.

  2. Industrial rubber products including conveyor belts and hoses.

  3. Automotive vibration-damping components (e.g., engine mounts and bushings).

  4. Rubber-to-metal bonded parts requiring precise cure control.

  5. General-purpose molded and extruded rubber goods.

Specifications Of LAN-XESS Vulkacit Merkapto/C Accelerator

Chemical TypeMercaptobenzothiazole derivative (MBT-based)
Product FormPowder
AppearanceLight yellow to beige free-flowing powder
Primary ApplicationsSecondary accelerator in NR, SBR, BR, and NBR compounds
Key FeaturesScorch-safe, high reactivity, low blooming tendency
BenefitsImproved processing safety, enhanced physical properties, consistent batch-to-batch performance
Storage ConditionsStore in cool, dry, well-ventilated area; avoid direct sunlight
Shelf Life24 months from date of manufacture when stored properly


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