Weatherseals

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Bumper to bumper, ExxonMobil Chemical’s technology leadership in specialty elastomers is helping the automotive industry worldwide advance the performance and aesthetic capabilities of automotive weathersealing systems.

Cross-section of an automotive glass run channel weatherseal with water drops as background

Santoprene thermoplastic vulcanizates (TPVs) are high-performance elastomers offering outstanding performance in dynamic or static weatherseals.

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Vistalon EPDM rubber meets strict OEM requirements for glass run channel and other dense seal weatherseal applications.


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Vistalon is also an optimal choice for sponge weatherseal applications such as primary and secondary door seals.

Cross-section of a primary car door hybrid foam weatherseal with blue background
  • coextruded dense foot
  • metal or plastic carrier
  • spray-on coating

Weatherseal Molded Glass Encapulation

  • TPV injection molded onto glass
  • Weatherseal Outer Belt Line Seal
    • soft TPV lip co-extruded with PP
    • slip-coat of co-extruded TPV, flock or spray-on coating

    Car cowl vent weatherseal with blue background
  • TPV insert molded into cowl
  • extruded and assembled
  • Weatherseal Glass Run Channel
    • high performance TPV base
    • variety of slip-coat choices
    • corners of injection-molded TPV

    Car lower sash weatherseal with blue background
  • slip-coated TPV lip
  • extruded on metal channel
  • Car window corner weatherseal molding with blue background
  • TPV molded onto EPDM or TPV

  • Interior of an open car sunroof showing black weatherseal

  • dense or foam TPV sealing bulb
  • coextruded with hard TPV or PP
  • installation – pushed in place or adhered with tape
  • A cutline car weatherseal with blue background
  • soft TPV sealing lip
  • coextruded mounting channel
  • molded TPV end cap

  • Weatherseal Roof Line Seal
    • coextruded hard/soft TPV
    Weatherseal Roof Line Seal

  • hard/soft TPV extrusion
  • dense/foam TPV coextruded

  • Cross-section of a car tailgate weatherseal with blue background
    • TPV foam bulb
    • coextruded dense foot with metal or plastic carrier