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

DOW Surlyn 9320 Toughener

DOW Surlyn 9320 Toughener is a sodium-neutralized ethylene-methacrylic acid ionomer resin from Dow’s Surlyn® series. It enhances impact resistance, peel strength, and hot-tack in multilayer packaging films, adhesives, and automotive composites. Known for excellent clarity, sealability, and melt processability, it delivers superior toughness without compromising optical or thermal performance.
  • dow surlyn 9320 toughener_27fe3886
  • dow surlyn 9320 toughener_27fe3886

Features Of DOW Surlyn 9320 Toughener

  1. Ionomer-based toughening agent offering exceptional impact resistance and ductility in thermoplastic blends.

  2. Enables strong interfacial adhesion between dissimilar polymers, improving blend compatibility and morphology stability.

  3. Provides excellent clarity and low haze when compounded into transparent engineering resins.

  4. Delivers consistent melt rheology and processing stability across standard extrusion and injection molding conditions.

  5. Resistant to environmental stress cracking (ESC) and maintains mechanical performance under thermal cycling.

Typical Applications Of DOW Surlyn 9320 Toughener

  1. Automotive interior trim components requiring high toughness and scratch resistance.

  2. Medical device housings where biocompatibility support and sterilization resistance are critical.

  3. Packaging for premium consumer goods demanding optical clarity and drop-impact durability.

  4. Electrical connectors and housing assemblies requiring dimensional stability and notch sensitivity reduction.

  5. 3D printing filament modifiers to enhance layer adhesion and fracture toughness in printed parts.

Specifications Of DOW Surlyn 9320 Toughener

Chemical TypeSodium-neutralized ethylene-methacrylic acid (EMAA) ionomer
Product FormPellets
AppearanceOpaque white to off-white granules
Primary ApplicationsToughening modifier for polyesters, polycarbonates, and polyolefin blends
Key FeaturesImpact enhancement, interfacial compatibilization, ESC resistance
BenefitsImproved ductility without sacrificing stiffness or clarity
Processing MethodExtrusion, injection molding, compounding
Storage ConditionsStore in original packaging at room temperature; protect from moisture


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