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

Dow AFFINITY SQ 1503UE Toughener

Dow AFFINITY SQ 1503UE Toughener is a metallocene-catalyzed ethylene-octene copolymer from Dow’s AFFINITY polyolefin elastomer series—designed to enhance impact strength, flexibility and melt processability in PP and PE blends without compromising clarity or seal integrity.
  • dow affinity sq 1503ue toughener_725e379f
  • dow affinity sq 1503ue toughener_725e379f

Features Of Dow AFFINITY SQ 1503UE Toughener

  1. Proprietary ethylene-octene copolymer offering exceptional impact resistance at low temperatures.

  2. Designed for excellent melt processability in extrusion, injection molding, and blow molding operations.

  3. Provides outstanding compatibility with polypropylene (PP) and polyethylene (PE) matrices without sacrificing clarity or stiffness.

  4. Enables improved stress whitening resistance and ductility retention in demanding structural applications.

  5. Free of halogens and heavy metals, supporting compliance with RoHS and UL94 HB requirements.

Typical Applications Of Dow AFFINITY SQ 1503UE Toughener

  1. Automotive interior trim components requiring low-temperature toughness and scratch resistance.

  2. Medical device housings where sterilization stability and impact performance are critical.

  3. Packaging for premium consumer goods needing enhanced drop resistance and aesthetic integrity.

  4. Industrial containers and reusable totes subjected to mechanical shock and thermal cycling.

  5. Appliance parts including dishwasher tubs and refrigerator liners requiring long-term dimensional stability.

Specifications Of Dow AFFINITY SQ 1503UE Toughener

Chemical TypeEthylene-octene copolymer (metallocene-catalyzed)
Product FormNatural-colored pellets
AppearanceOpaque, free-flowing cylindrical pellets
Primary ApplicationsToughening modifier for polypropylene and polyethylene compounds
Key FeaturesLow-density, high-clarity toughener with broad processing window
BenefitsImproved impact strength, reduced notch sensitivity, enhanced melt strength
Processing Method CompatibilityExtrusion, injection molding, blow molding, rotational molding
Regulatory StatusCompliant with FDA 21 CFR §177.1520 for indirect food contact (subject to formulation)


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