Farr Polychem expands TPE portfolio with three specialized extrusion grades

Last update on Jun 10, 2025

Farr Polychem announces the expansion of its Farrprene portfolio with three new specialized extrusion grades: EF650, EF651, and EF652. These are engineered to address distinct market segments with enhanced processing characteristics and application-optimized properties.

Consistent processing and mechanical properties


Building on the success of the established Farrprene series, these new EF grades represent Farr Polychem's commitment to providing formulators with precisely tailored solutions. All three grades maintain Shore A 65 hardness for consistent processing and mechanical properties while incorporating specialized compound modifications for specific application domains.

 

Unified technical platform


 

  • Hardness: Shore A 65 ±2
  • Processing method: Optimized for extrusion applications
  • Filler system: Advanced filled formulations for enhanced performance
  • Temperature range: Suitable for standard TPE processing equipment


Looking for a TPE grade but not sure how to select the right one based on your application? Here's how>>

 

EF650: For construction and appliance industries


Farrprene EF650 targets the construction and appliance industries with formulations optimized for weathering resistance and long-term sealing performance.

 

Primary applications


 

  • Building envelope: Window weatherstripping profiles, door seals for residential buildings, garage door bottom seals
  • HVAC systems: Duct sealing applications requiring temperature cycling resistance
  • Appliance industry: Refrigerator and freezer door gaskets, appliance door sealing strips
  • Industrial sealing: Container lid gaskets, marine hatch seals
  • Transportation: RV and trailer door seals


 

Performance characteristics


 

  • Enhanced weathering resistance for outdoor exposure
  • Superior compression set resistance for long-term sealing
  • Excellent adhesion to common construction materials
  • Processing stability for consistent profile dimensions


 

EF651: For industrial and commercial applications


Farrprene EF651 addresses demanding industrial environments where chemical resistance and regulatory compliance are critical factors.

 

Primary applications


 

  • Commercial construction: Sliding door track seals, window sash seals, commercial building weatherstripping
  • Industrial processing: Industrial oven door seals, cleanroom door seals
  • Equipment sealing: Laboratory equipment gaskets, electrical enclosure seals
  • Transportation systems: Transportation vehicle door seals including buses and commercial vehicles


 

Performance characteristics


 

  • Enhanced chemical resistance for industrial environments
  • Low extractables profile for sensitive applications
  • Superior dimensional stability under thermal cycling
  • Consistent extrusion performance for complex profiles


 

EF652: For high-performance architectural and specialty applications


Farrprene EF652 represents the premium tier, engineered for architectural glazing and high-performance applications requiring exceptional durability and aesthetic properties.

 

Primary applications


 

  • Architectural glazing: Curtain wall weatherstripping, skylight perimeter seals
  • Renewable energy: Solar panel frame seals for long-term outdoor exposure
  • Specialty construction: Greenhouse panel seals, architectural glazing seals
  • Marine applications: Boat and yacht hatch seals requiring saltwater resistance
  • Recreation: Pool and spa cover seals
  • Aerospace/transportation: Aircraft door and window seals, train car door seals, bus door weatherstripping


 

Performance characteristics


 

  • Maximum UV stability for architectural applications
  • Enhanced tensile strength and tear resistance
  • Superior low-temperature flexibility
  • Optimized for precision architectural tolerances


 

Processing parameters


 

Extrusion parameters


 

  • Barrel temperature profile: 170-210°C (grade optimized)
  • Die temperature: 185-205°C
  • Line speed: Optimized for consistent dimensional control
  • Post-extrusion: Excellent dimensional stability and surface finish


 

Tooling compatibility


All EF650-652 grades are designed for processing on standard TPE extrusion equipment with minimal tooling modifications. The formulations provide excellent melt strength for complex profile geometries while maintaining consistent wall thickness distribution.

 

Selection guidelines


 

  • EF650 selection criteria: Choose for cost-sensitive construction and appliance applications where basic weathering resistance is required. Ideal for high-volume production with standard performance requirements.
  • EF651 selection criteria: Select for industrial applications requiring enhanced chemical resistance and regulatory compliance. Optimal for cleanroom, laboratory, and processing equipment applications.
  • EF652 selection criteria: Specify for premium architectural and specialty applications demanding maximum durability, UV resistance, and aesthetic properties. Essential for aerospace, marine, and high-end construction projects.


 

Sustainability and compliance


The EF650-652 series incorporates Farr Polychem's commitment to sustainable manufacturing:

 

  • 100% thermoplastic recyclability: Supporting circular economy initiatives
  • Reduced processing energy: Lower processing temperatures vs. traditional rubber
  • Extended service life: Enhanced durability reduces replacement frequency
  • Compliance ready: Formulated to meet relevant industry standards


Manufactured at Farr Polychem's JAFZA facility in Dubai, the EF650-652 series benefits from strategic positioning for Middle East, Asian, and European markets. The company's established supply chain ensures consistent material availability and technical support throughout the product lifecycle.


Source
Farr Polychem