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

LAN-XESS Rhenogran KST-50/ACM GE1857 Accelerator

LAN-XESS Rhenogran KST-50/ACM GE1857 is a high-performance sulfur-free accelerator designed for ACM elastomers. It ensures rapid vulcanization with excellent scorch safety and consistent crosslink density. Compatible with peroxide and sulfur-cure systems, it enhances thermal stability and mechanical properties in demanding automotive and industrial sealing applications.
  • lan xess rhenogran kst 50 acm ge1857 accelerator_468d4afb
  • lan xess rhenogran kst 50 acm ge1857 accelerator_468d4afb

Features Of LAN-XESS Rhenogran KST-50/ACM GE1857 Accelerator

  1. High-efficiency sulfur-free accelerator for ACM (acrylonitrile copolymer) elastomers.

  2. Enables fast, controllable vulcanization with excellent scorch safety at elevated processing temperatures.

  3. Delivers superior heat resistance and compression set performance in cured ACM compounds.

  4. Free-flowing granular form ensures excellent dispersibility and dust-free handling in industrial mixing.

  5. Compatible with standard ACM compounding systems including metal oxides and co-accelerators.

Typical Applications Of LAN-XESS Rhenogran KST-50/ACM GE1857 Accelerator

  1. Automotive engine mounts and bushings requiring high-temperature resilience.

  2. Under-hood seals and gaskets exposed to hot oil and coolant environments.

  3. Industrial hydraulic and pneumatic system components operating above 150 °C.

  4. Oil-resistant diaphragms and membranes in fuel handling and filtration systems.

  5. Specialty molded parts for aerospace and energy applications demanding long-term ACM stability.

Specifications Of LAN-XESS Rhenogran KST-50/ACM GE1857 Accelerator

Chemical TypeThiazole-based sulfur-free accelerator
Product FormFree-flowing granules
AppearancePale yellow to light brown granules
Primary ApplicationsACM (acrylonitrile copolymer) elastomer vulcanization
Key FeaturesScorch-safe, low volatility, excellent dispersion
BenefitsImproved heat aging resistance, reduced compression set, enhanced process reliability
Storage ConditionsStore in cool, dry place below 30 °C; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture under recommended storage conditions


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