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

LAN-XESS Rhenogran PCZ-70/IIR Accelerator

LANXESS Rhenogran PCZ-70/IIR Accelerator is a high-performance sulfenamide-type vulcanization accelerator specifically designed for chlorobutyl (CIIR) and bromobutyl (BIIR) rubber compounds. It offers excellent scorch safety, fast cure rate, and superior aging resistance. Widely used in tire innerliners, pharmaceutical stoppers, and technical rubber goods requiring low permeability and high durability.
  • lan xess rhenogran pcz 70 iir accelerator_675bc6a8
  • lan xess rhenogran pcz 70 iir accelerator_675bc6a8

Features Of LAN-XESS Rhenogran PCZ-70/IIR Accelerator

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

  2. Delivers excellent scorch safety and balanced cure kinetics, enabling reliable processing in high-speed extrusion and calendering operations.

  3. Masterbatch format (70% active ingredient on inert carrier) ensures uniform dispersion and dust-free handling.

  4. Compatible with sulfur-based and resin-based vulcanization systems, supporting versatile compound design.

  5. Meets stringent regulatory requirements for medical-grade and pharmaceutical packaging applications.

Typical Applications Of LAN-XESS Rhenogran PCZ-70/IIR Accelerator

  1. Pharmaceutical stoppers and closures requiring low extractables and high biocompatibility.

  2. Automotive air springs and diaphragms demanding long-term compression set resistance.

  3. Medical tubing and syringe components compliant with ISO 10993 and USP Class VI standards.

  4. Industrial hoses and tank linings exposed to aggressive fluids and elevated temperatures.

  5. Sealing elements for food-contact and beverage packaging applications.

Specifications Of LAN-XESS Rhenogran PCZ-70/IIR Accelerator

Chemical TypeNitrosamine-safe sulfenamide accelerator (N-cyclohexyl-2-benzothiazole sulfenamide derivative)
Product FormPelletized masterbatch
AppearanceLight beige to pale yellow free-flowing pellets
Active ContentApprox. 70 wt.%
Carrier BaseNon-ionic polymer carrier
Primary ApplicationsCIIR/BIIR vulcanization for medical, automotive, and industrial elastomers
Key FeaturesScorch-safe, low bloom, excellent reversion resistance
BenefitsImproved batch-to-batch consistency, reduced operator exposure, enhanced final part durability


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