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

DOW Fusabond N493 Toughener

DOW Fusabond N493 Toughener is a maleic anhydride-grafted ethylene–propylene copolymer from Dow’s Fusabond® functional polymer series—designed to enhance interfacial adhesion toughness in polyolefin composites and multilayer structures without compromising melt flow or processability.
  • dow fusabond n493 toughener_b7f16f78
  • dow fusabond n493 toughener_b7f16f78

Features Of DOW Fusabond N493 Toughener

  1. Enhances impact resistance and ductility in polyolefin-based composites without compromising melt processability.

  2. Provides excellent adhesion promotion between non-polar polymers (e.g., PP, PE) and polar substrates or fillers.

  3. Designed for high-temperature processing stability—retains functionality during extrusion and injection molding.

  4. Low volatility and minimal odor, supporting compliance with stringent industrial hygiene and emissions requirements.

  5. Enables formulation flexibility with broad compatibility across homopolymer and copolymer polypropylene systems.

Typical Applications Of DOW Fusabond N493 Toughener

  1. Automotive interior trim components requiring dimensional stability and crash-energy absorption.

  2. Thin-wall packaging containers demanding improved drop resistance and stress-crack resistance.

  3. Industrial thermoformed parts exposed to mechanical shock and thermal cycling.

  4. Recycled polypropylene compounds where consistent toughness and interfacial bonding are critical.

  5. Multi-layer coextruded films requiring enhanced layer adhesion and delamination resistance.

Specifications Of DOW Fusabond N493 Toughener

Chemical TypeMaleic anhydride-grafted polypropylene copolymer
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsPolypropylene toughening, adhesive promotion, compatibilization
Key FeaturesHigh graft level, controlled molecular weight, low extractables
BenefitsImproved impact strength, reduced brittleness, enhanced filler dispersion
Processing MethodExtrusion, injection molding, compounding
Storage RecommendationStore in original sealed packaging at <30°C, protect from moisture


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