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

DuPont Fusabond E528 Toughener

DuPont Fusabond E528 Toughener is a maleic anhydride-grafted ethylene–propylene copolymer designed to enhance interfacial adhesion and impact resistance in polyolefin composites. It improves compatibility between non-polar resins and polar fillers like glass fiber or minerals. Widely used in automotive and industrial applications for superior toughness and processing stability.
  • dupont fusabond e528 toughener_0d46b66b
  • dupont fusabond e528 toughener_0d46b66b

Features Of DuPont Fusabond E528 Toughener

  1. Maleic anhydride-grafted ethylene–propylene copolymer offering excellent compatibility with polyolefins and engineering thermoplastics.

  2. Enhances impact strength and ductility without compromising melt flow or thermal stability.

  3. Enables robust interfacial adhesion in multi-material systems, including polyolefin–metal and polyolefin–filler composites.

  4. Designed for low-temperature processing and consistent dispersion in extrusion and injection molding operations.

  5. Halogen-free formulation supporting regulatory compliance for automotive and consumer goods applications.

Typical Applications Of DuPont Fusabond E528 Toughener

  1. Automotive interior trim components requiring high impact resistance and scratch durability.

  2. Toughened polypropylene (PP) compounds for under-hood parts exposed to thermal cycling.

  3. Adhesion promoters in co-extruded multilayer films for packaging and industrial liners.

  4. Reinforced thermoplastic composites incorporating talc, glass fiber, or mineral fillers.

Specifications Of DuPont Fusabond E528 Toughener

Chemical TypeMaleic anhydride-grafted ethylene–propylene copolymer
Product FormPellets
AppearanceOff-white to light tan cylindrical pellets
Primary ApplicationsPolyolefin toughening, adhesion promotion, compatibilization in filled systems
Key FeaturesHigh grafting efficiency, low gel content, broad processing window
BenefitsImproved notched Izod impact, enhanced dimensional stability, reduced warpage
Processing MethodExtrusion, injection molding, compounding


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