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

LAN-XESS Rhenogran P91-40/NR Processing Aid

LANXESS Rhenogran P91-40/NR is a premium processing aid from the Rhenogran series, specifically formulated for natural rubber compounds. It enhances filler dispersion, reduces mixing energy, improves extrusion stability and surface finish, and boosts green strength—ideal for high-performance tires and technical rubber goods.
  • lan xess rhenogran p91 40 nr processing aid_a97210df
  • lan xess rhenogran p91 40 nr processing aid_a97210df

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

  1. Highly effective processing aid for natural rubber (NR) and NR-based compound systems.

  2. Improves filler dispersion and reduces mixing energy consumption during internal mixer operation.

  3. Enhances green strength and extrudate dimensional stability without compromising vulcanization kinetics.

  4. Compatible with conventional sulfur-cure systems and widely used accelerators.

  5. Non-blooming, non-migrating formulation ensures consistent surface quality in finished products.

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

  1. Tyre tread and sidewall compounds for passenger and commercial vehicle tyres.

  2. Industrial rubber goods including conveyor belts, hoses, and vibration dampers.

  3. Technical rubber parts requiring high process reliability and uniform compound rheology.

  4. Roller coverings and calendered sheet applications demanding excellent extrusion performance.

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

Chemical TypeFatty acid derivative / zinc complex blend
Product FormPellets (free-flowing)
AppearanceOff-white to light beige cylindrical pellets
Primary ApplicationsNatural rubber (NR), NR/SBR blends, NR/BR blends
Key FeaturesProcessing aid, dispersion enhancer, green strength improver
Recommended Dosage0.5–2.0 phr (parts per hundred rubber)
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight
Shelf Life24 months from date of manufacture under recommended conditions


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