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

LAN-XESS Rhenogran P91-40/EPDM Processing Aid

LANXESS Rhenogran P91-40/EPDM is a high-performance processing aid from the Rhenogran series, designed to enhance extrusion efficiency and surface finish in EPDM rubber compounds. It reduces melt viscosity, improves dispersion, and enables higher throughput with lower energy consumption—ideal for automotive seals, weatherstrips, and technical rubber goods requiring consistent quality and process stability.
  • lan xess rhenogran p91 40 epdm processing aid_6c490d05
  • lan xess rhenogran p91 40 epdm processing aid_6c490d05

Features Of LAN-XESS Rhenogran P91-40/EPDM Processing Aid

  1. Optimized for EPDM rubber compounds to enhance processability and reduce die swell.

  2. Improves dispersion of fillers and pigments during mixing and extrusion.

  3. Reduces energy consumption and melt viscosity without compromising vulcanizate properties.

  4. Non-blooming formulation ensures long-term stability and surface integrity in finished products.

  5. Compatible with standard sulfur and peroxide curing systems used in EPDM applications.

Typical Applications Of LAN-XESS Rhenogran P91-40/EPDM Processing Aid

  1. Automotive weatherstrips and sealing profiles.

  2. Roofing membranes and waterproofing sheets.

  3. Industrial hoses and gaskets requiring high elasticity and weather resistance.

  4. Extruded EPDM profiles for construction and transportation sectors.

  5. Calendered EPDM sheets for insulation and lining applications.

Specifications Of LAN-XESS Rhenogran P91-40/EPDM Processing Aid

Chemical TypeFunctionalized polyolefin-based processing aid
Product FormPellets
AppearanceOff-white to light beige free-flowing pellets
Primary ApplicationsEPDM rubber compounding and extrusion
Key FeaturesImproved filler dispersion, reduced melt viscosity, enhanced extrudate dimensional stability
BenefitsLower energy input, improved surface finish, consistent profile geometry
Recommended Loading Level2–6 phr (parts per hundred rubber)
Storage ConditionsStore in dry, cool conditions below 30°C; protect from moisture and direct sunlight


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