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

DuPont Fusabond P353 Toughener

DuPont Fusabond P353 Toughener is a maleic anhydride-grafted ethylene-propylene copolymer designed to enhance impact strength and interfacial adhesion in polyolefin composites. It improves toughness without compromising melt flow or thermal stability. Widely used in automotive parts, packaging, and durable goods where high ductility and bonding performance are critical. Compatible with PP, PE, and mineral-filled systems.
  • dupont fusabond p353 toughener_6cd014ea
  • dupont fusabond p353 toughener_6cd014ea

Features Of DuPont Fusabond P353 Toughener

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

  2. Enhances impact strength and fracture toughness without significantly compromising stiffness or heat resistance.

  3. Improves interfacial adhesion in multi-material systems, including polyolefin/polar polymer blends and filled composites.

  4. Thermally stable up to 280 °C, supporting high-temperature processing such as injection molding and extrusion.

  5. Low volatility and minimal odor—suitable for applications requiring low extractables and regulatory compliance.

Typical Applications Of DuPont Fusabond P353 Toughener

  1. Automotive interior and exterior components requiring dimensional stability and low-temperature impact performance.

  2. Toughened polypropylene (PP) compounds for durable consumer goods and industrial housings.

  3. Adhesion promoters in co-extruded multilayer films and laminates for packaging and barrier applications.

  4. Compatibilizer in recycled polyolefin blends to restore mechanical integrity and processability.

  5. Impact modifier for glass-fiber-reinforced PP and TPO (thermoplastic olefin) formulations.

Specifications Of DuPont Fusabond P353 Toughener

Chemical TypeMaleic anhydride-grafted ethylene-propylene copolymer
Product FormPellets
AppearanceOff-white to light tan cylindrical pellets
Primary ApplicationsImpact modifier, compatibilizer, adhesion promoter
Key FeaturesHigh graft level, low melt viscosity, excellent thermal stability
BenefitsImproved toughness, enhanced blend homogeneity, broad processing window
Processing Temperature Range180–280 °C
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight


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