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

DuPont Fusabond N493 Toughener

DuPont Fusabond N493 Toughener is a maleic anhydride-grafted ethylene–propylene copolymer from the Fusabond® family, engineered to enhance impact strength and interfacial adhesion in polyolefin composites and multilayer structures without compromising melt flow or thermal stability.
  • dupont fusabond n493 toughener_037da9c6
  • dupont fusabond n493 toughener_037da9c6

Features Of DuPont Fusabond N493 Toughener

  1. Maleic anhydride-grafted ethylene–propylene copolymer specifically engineered for enhanced interfacial adhesion in polyolefin composites.

  2. Improves impact resistance and ductility without compromising melt processability in extrusion and injection molding operations.

  3. Enables strong bonding between non-polar polyolefins (e.g., PP, PE) and polar substrates such as fillers, fibers, or engineering thermoplastics.

  4. Offers excellent thermal stability up to 280 °C, supporting high-speed industrial processing conditions.

  5. Low volatility and minimal odor profile, contributing to improved workplace safety and compliance with stringent VOC guidelines.

Typical Applications Of DuPont Fusabond N493 Toughener

  1. Automotive interior trim components requiring dimensional stability and crash-absorbing toughness.

  2. Recycled polypropylene (rPP) compounds where compatibility and mechanical property recovery are critical.

  3. Long-glass-fiber reinforced polypropylene (LGF-PP) systems for structural under-hood applications.

  4. Multi-layer coextruded films combining PP sealant layers with EVOH barrier layers.

  5. Mineral-filled polyolefin blends used in durable consumer goods housings and appliance parts.

Specifications Of DuPont Fusabond N493 Toughener

Chemical TypeMaleic anhydride-grafted ethylene–propylene copolymer
Product FormPellets
AppearanceOff-white to light tan cylindrical pellets
Primary ApplicationsPolyolefin toughening, compatibilization, and adhesion promotion
Key FeaturesHigh graft level, controlled molecular weight, low extractables
BenefitsImproved impact strength, reduced delamination, enhanced recyclate performance
Processing MethodExtrusion, injection molding, compounding
Storage ConditionsStore in original unopened packaging at ≤30 °C and <60% relative humidity


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