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

LAN-XESS RHENOGRAN BCA-40/IIR(GE2012) Accelerator

LAN-XESS RHENOGRAN BCA-40/IIR(GE2012) is a high-performance sulfenamide accelerator for chlorobutyl rubber (CIIR) and bromobutyl rubber (BIIR) vulcanization. Designed for tire innerliners and pharmaceutical stoppers, it ensures rapid scorch safety, excellent processing stability, and optimal crosslink density. Part of LANXESS’s RHENOGRAN specialty additives series, this IIR-optimized grade delivers consistent cure kinetics and low extractables—ideal for demanding technical elastomer applications.
  • lan xess rhenogran bca 40 iir ge2012 accelerator_4e1e746f
  • lan xess rhenogran bca 40 iir ge2012 accelerator_4e1e746f

Features Of LAN-XESS RHENOGRAN BCA-40/IIR(GE2012) Accelerator

  1. Highly efficient vulcanization accelerator specifically designed for chlorobutyl rubber (CIIR) and bromobutyl rubber (BIIR) compounds.

  2. Granular masterbatch format ensures excellent dispersibility and dust-free handling during rubber compounding.

  3. Enables fast cure kinetics with outstanding scorch safety, supporting high-speed extrusion and molding processes.

  4. Consistent batch-to-batch performance due to precise loading of active ingredient (N-cyclohexyl-2-benzothiazole sulfenamide, CBS) in inert carrier.

  5. Complies with REACH and supports low-extractable formulations required for pharmaceutical and medical-grade elastomer applications.

Typical Applications Of LAN-XESS RHENOGRAN BCA-40/IIR(GE2012) Accelerator

  1. Pharmaceutical stoppers and vial closures requiring low leachables and high sterilization resistance.

  2. Automotive inner liners and tire air retention layers based on halobutyl rubber.

  3. Medical tubing and diaphragms where consistent crosslink density and biocompatibility are critical.

  4. Technical molded goods including vibration dampers and sealing components exposed to heat and aging.

  5. Industrial hoses and bladder linings demanding rapid curing without premature scorch.

Specifications Of LAN-XESS RHENOGRAN BCA-40/IIR(GE2012) Accelerator

Chemical TypeN-Cyclohexyl-2-benzothiazole sulfenamide (CBS)
Product FormFree-flowing granules
AppearancePale yellow to light brown granules
Active ContentApprox. 40 wt% CBS
Carrier BaseNon-ionic polyethylene wax
Particle Size (D50)0.8–1.2 mm
Moisture Content<0.5 wt%
Storage Stability24 months at <25°C in original sealed packaging


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