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

LAN-XESS RHENOFIT DDA-50EM Accelerator

LAN-XESS RHENOFIT DDA-50EM Accelerator is a high-performance, low-volatility epoxy curing accelerator from LAN-XESS’s RHENOFIT series. Designed for demanding composites and adhesives, it enables rapid room-temperature cure with excellent storage stability and low amine odor. Ideal for aerospace, automotive, and electronics applications requiring precise reactivity control and consistent performance.
  • lan xess rhenofit dda 50em accelerator_96ee3d1b
  • lan xess rhenofit dda 50em accelerator_96ee3d1b

Features Of LAN-XESS RHENOFIT DDA-50EM Accelerator

  1. High-efficiency delayed-action accelerator for EPDM and other saturated elastomers.

  2. Enables excellent scorch safety and extended processing window during mixing and extrusion.

  3. Delivers fast and balanced cure kinetics with high crosslink density and superior compression set resistance.

  4. Low volatility and low migration characteristics ensure long-term product stability and compliance with automotive interior standards.

  5. Compatible with common sulfur-based and peroxide-cure systems as a co-accelerator or primary accelerator.

Typical Applications Of LAN-XESS RHENOFIT DDA-50EM Accelerator

  1. Automotive weatherstrips and sealing profiles.

  2. Under-hood rubber components requiring heat aging resistance.

  3. Industrial hoses and gaskets for HVAC and fluid handling systems.

  4. Railway vibration damping elements and door seals.

  5. Appliance grommets and anti-vibration mounts.

Specifications Of LAN-XESS RHENOFIT DDA-50EM Accelerator

Chemical TypeThiazole derivative (N,N'-diethylthiourea-modified)
Product FormPellets
AppearanceOff-white to light yellow free-flowing pellets
Primary ApplicationsEPDM, IIR, CIIR, BIIR, and other saturated elastomers
Key FeaturesDelayed onset, high scorch safety, low blooming, good dispersion
BenefitsImproved processability, reduced rework, enhanced final part durability
Storage StabilityStable for ≥12 months at ≤25 °C in original unopened packaging
Regulatory ComplianceREACH compliant; no SVHCs above threshold; RoHS compatible


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