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

DuPont Elvax 3135SB Toughener

DuPont Elvax 3135SB Toughener is a specialty ethylene-vinyl acetate (EVA) copolymer designed for impact modification in rigid plastics. Featuring 35% VA content and melt index ~10 g/10 min, it enhances toughness, flexibility, and low-temperature performance without compromising processability—ideal for automotive, packaging, and construction applications requiring durable, weldable thermoplastic blends.
  • dupont elvax 3135sb toughener_f0beff2f
  • dupont elvax 3135sb toughener_f0beff2f

Features Of DuPont Elvax 3135SB Toughener

  1. Highly effective ethylene-vinyl acetate (EVA)-based impact modifier for rigid thermoplastics.

  2. Enhances low-temperature toughness and ductility without compromising stiffness or heat resistance.

  3. Excellent melt processability and dispersion in polyolefin and engineering resin blends.

  4. Enables improved stress crack resistance in demanding structural applications.

  5. Compatible with common additives including UV stabilizers, flame retardants, and pigments.

Typical Applications Of DuPont Elvax 3135SB Toughener

  1. Automotive interior and exterior trim components requiring impact resilience.

  2. Industrial packaging containers subjected to drop and stacking loads.

  3. Power tool housings and consumer appliance parts needing balanced rigidity and toughness.

  4. Medical device enclosures where sterilization compatibility and mechanical reliability are critical.

Specifications Of DuPont Elvax 3135SB Toughener

Chemical TypeEthylene-Vinyl Acetate Copolymer (EVA)
Product FormPellets
AppearanceOff-white to light tan, free-flowing pellets
Primary ApplicationsImpact modification of PP, HDPE, and engineering thermoplastics
Key FeaturesToughening agent with high VA content (~33 wt%)
BenefitsImproved notch sensitivity performance and weld-line strength
Processing MethodInjection molding, extrusion, and blow molding


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