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

Dow PARALOID EXL-2388 Toughener

Dow PARALOID EXL-2388 Toughener is a reactive acrylic impact modifier designed for engineering thermoplastics like PC, PC/ABS, and PBT. It enhances toughness, ductility, and low-temperature performance without sacrificing clarity or processability. Its core-shell structure enables superior dispersion and interfacial adhesion, improving notched Izod impact strength significantly while maintaining thermal stability and UV resistance.
  • dow paraloid exl 2388 toughener_8f4ca2a6
  • dow paraloid exl 2388 toughener_8f4ca2a6

Features Of Dow PARALOID EXL-2388 Toughener

  1. Core-shell acrylic impact modifier designed for high-toughness performance in rigid thermoplastics.

  2. Enables excellent low-temperature impact resistance without sacrificing stiffness or surface gloss.

  3. Offers superior compatibility and dispersion in PVC, ABS, and PC/ABS blends.

  4. Supports efficient processing with minimal effect on melt viscosity and thermal stability.

  5. Halogen-free formulation aligning with evolving regulatory and sustainability requirements.

Typical Applications Of Dow PARALOID EXL-2388 Toughener

  1. Rigid PVC profiles for window frames and siding requiring enhanced impact durability.

  2. Automotive interior trim components demanding balanced toughness and aesthetics.

  3. Consumer electronics housings where drop resistance and dimensional stability are critical.

  4. Medical device enclosures requiring biocompatibility-supportive polymer systems.

  5. Appliance panels subject to mechanical stress and temperature cycling.

Specifications Of Dow PARALOID EXL-2388 Toughener

Chemical TypeCore-shell acrylic copolymer
Product FormFree-flowing white powder
AppearanceOff-white to light tan granular powder
Primary ApplicationsPVC, ABS, PC/ABS, and styrenic alloys
Key FeaturesImpact modification, gloss retention, low-temperature toughness
BenefitsImproved ductility, reduced brittleness, enhanced processability
Storage ConditionsStore in cool, dry place; protect from moisture and direct sunlight
Regulatory StatusCompliant with FDA 21 CFR §177.1010 (for indirect food contact)


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