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

Arkema Kynar Flex 2821 Polymer Processing Aid

Arkema Kynar Flex 2821 is a high-performance fluoropolymer processing aid designed to enhance melt flow and reduce extrusion defects in PVC and other thermoplastics. This specialty polymer improves surface finish, lowers energy consumption, and enables higher output rates while maintaining excellent thermal stability and compatibility. Widely used in wire & cable and profile extrusion applications.
  • arkema kynar flex 2821 polymer processing aid_ef1d4cbd
  • arkema kynar flex 2821 polymer processing aid_ef1d4cbd

Features Of Arkema Kynar Flex 2821 Polymer Processing Aid

  1. Highly effective melt flow enhancer for fluoropolymer and engineering thermoplastic compounding.

  2. Enables stable extrusion at elevated throughput with reduced die buildup and surging.

  3. Improves surface finish and dimensional stability of extruded profiles and wire coatings.

  4. Compatible with PVDF, PTFE, FEP, and high-viscosity polyolefin-based systems.

  5. Thermally stable up to 300 °C, supporting high-temperature processing without degradation.

Typical Applications Of Arkema Kynar Flex 2821 Polymer Processing Aid

  1. Wire and cable insulation and jacketing (especially for aerospace and automotive grades).

  2. Extruded fluoropolymer tubing and fluid handling components.

  3. High-performance PVDF-based membranes and filtration media.

  4. Concentrated masterbatches for fluoropolymer additives and colorants.

Specifications Of Arkema Kynar Flex 2821 Polymer Processing Aid

Chemical TypeModified polyvinylidene fluoride (PVDF)-based polymer
Product FormPellets
AppearanceOff-white to light beige free-flowing pellets
Primary ApplicationsMelt processing aid for fluoropolymers and high-melt-viscosity thermoplastics
Key FeaturesLow-migration, non-blooming, thermally robust
BenefitsReduces extrusion pressure, extends die life, improves output consistency
Processing Temperature Range220–300 °C
Storage ConditionsStore in original sealed packaging at room temperature; protect from moisture


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