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

Arkema Kynar Flex 705 Polymer Processing Additive

Arkema Kynar Flex 705 is a high-performance fluoropolymer processing additive from the Kynar Flex series, designed to enhance melt flow, reduce extrusion defects, and improve surface finish in thermoplastic compounds—especially PVC, polyolefins, and engineering resins—without compromising mechanical properties or thermal stability.
  • arkema kynar flex 705 polymer processing additive_a6014366
  • arkema kynar flex 705 polymer processing additive_a6014366

Features Of Arkema Kynar Flex 705 Polymer Processing Additive

  1. Enhances melt flow and extrudability of high-viscosity fluoropolymers without compromising thermal or chemical resistance.

  2. Reduces die build-up and surface defects during high-speed extrusion and injection molding processes.

  3. Improves dispersion stability in fluoropolymer blends, enabling consistent rheological performance across processing conditions.

  4. Compatible with PVDF, ETFE, and other semi-crystalline fluoropolymers for optimized process window expansion.

  5. Non-migrating additive formulation ensures long-term performance retention and no post-processing blooming.

Typical Applications Of Arkema Kynar Flex 705 Polymer Processing Additive

  1. Wire & cable insulation and jacketing for aerospace and automotive harnesses.

  2. Chemical-resistant linings and coatings for industrial piping and tank systems.

  3. High-purity fluid handling components in semiconductor and pharmaceutical manufacturing.

  4. Extruded profiles and films requiring dimensional stability and low surface roughness.

  5. Injection-molded parts exposed to aggressive solvents, acids, or elevated temperatures.

Specifications Of Arkema Kynar Flex 705 Polymer Processing Additive

Chemical TypeFluoroelastomer-based processing aid (modified PVDF copolymer)
Product FormPellets
AppearanceOff-white to light tan free-flowing pellets
Primary ApplicationsMelt processing aid for fluoropolymers (PVDF, ETFE, FEP)
Key FeaturesLow-temperature processability enhancer, die-lubricating, non-extractable
BenefitsExtended die life, reduced scrap rate, improved surface finish, broader processing window
Recommended Loading Range0.5–2.0 wt% (based on base polymer)
Storage ConditionsStore in original sealed packaging at 15–30°C; protect from moisture and direct sunlight


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