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PARALOID™ EXL-3691J Impact Modifier

MBS impact modifier in pellet form, that offers low temperature impact along with improved thermal, hydrolytic, and shear stability, and colorability.in PC (polycarbonate), PBT, and PC blends such as PC/ABS, PC/PET, and PC/PBT, including glass-filled systems.


  • Impact modifier, with particularly good heat and hydrolysis resistance for an MBS modifier
  • Use with engineering resins
  • including Polycarbonate (PC), Polybutylene Terephthlate (PBT), PC Blends such as PC/PET, PC/PBT, and PC/ABS
  • Glass-filled systems
  • Durable goods, Automotive and Transportation applications
  • Sporting and leisure equipment
  • Particular useful with excellent sub-ambient temperature impact is required
  • Resin conversion processes
  • Injection molding
  • Blow molding
  • Extrusion
  • Thermoforming
  • Useful for applications requiring heat and humidity resistance (hydrolytic stability)


  • Greatly increases toughness
  • Excellent retention of part rigidity
  • Excellent room temperature impact
  • Excellent low-temperature impact performance
  • Excellent dispersion into the listed engineering resins
  • Good modulus and melt flow retention
  • Excellent robustness of processing stability
  • Extreme or abusive molding conditions
  • Excellent impact strength retention against heat-aging
  • Excellent hydrolytic stability, with built-in anti-oxidant stabilization system
  • Pellet form for ease of use for those not desiring to handle powders

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Please Contact Dow for additional information.

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PARALOID™ EXL-3691J Impact Modifier
No Technical Data Sheets are available for this product
Please Contact Dow for additional information.

PARALOID™ EXL-3691J Impact Modifier

No Regulatory Data Sheets are available for this product

PARALOID™ EXL-3691J Impact Modifier
Please Contact Dow for distribution options available for this product.