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

Rhein Chemie Rhenogran ETU-80 Accelerator

Rhein Chemie Rhenogran ETU-80 Accelerator is a sulfur-free, ultra-accelerating ethylene thiourea-based masterbatch for high-performance rubber vulcanization. Featuring 80% active ETU content in EPDM-compatible carrier, it ensures excellent dispersion, low scorch risk, and rapid cure in demanding applications like automotive seals and industrial hoses.
  • rhein chemie rhenogran etu 80 accelerator_d2a185e0
  • rhein chemie rhenogran etu 80 accelerator_d2a185e0

Features Of Rhein Chemie Rhenogran ETU-80 Accelerator

  1. 80% active ethylene thiourea (ETU) content in a thermoplastic polymer carrier matrix for consistent dosing and dust-free handling.

  2. Enhanced scorch safety compared to conventional ETU powders, enabling improved processing window in high-temperature rubber compounding.

  3. Excellent dispersion in natural rubber (NR), synthetic polyisoprene (IR), and chloroprene rubber (CR) compounds.

  4. Stable physical form with low volatility—minimizes loss during storage and processing.

  5. Complies with REACH and supports compliance-ready rubber formulations for industrial and automotive applications.

Typical Applications Of Rhein Chemie Rhenogran ETU-80 Accelerator

  1. Vulcanization of chloroprene rubber (CR) in technical rubber goods, including hoses, belts, and gaskets.

  2. Curing system for natural rubber-based medical devices and gloves requiring fast, reproducible crosslinking.

  3. Accelerator component in specialty elastomer compounds for mining and construction conveyor belting.

  4. Co-accelerator in CR/NR blends used in vibration-damping mounts and shock absorbers.

  5. Primary accelerator in adhesives and sealants requiring rapid ambient or low-temperature cure profiles.

Specifications Of Rhein Chemie Rhenogran ETU-80 Accelerator

Chemical TypeEthylene thiourea (ETU) masterbatch
Product FormFree-flowing granules
AppearanceOff-white to light yellow granules
Active Content (ETU)Approx. 80 wt.%
Carrier PolymerThermoplastic elastomer blend
Particle Size Range1–3 mm granules
Storage Stability12 months at <25°C in original sealed packaging
Key FeatureDust-free, pre-dispersed, and metering-friendly


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