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.

Santoprene™ TPVs for weatherseals
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.

Vistalon™ EPDM for dense seals
weatherseal-glass-run-channel-vistalon-green.jpg

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


Vistalon™ EPDM for sponge seals
weatherseal-primary-door-hybrid-foam-green.jpg

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

primary door seals
Cross-section of a primary car door hybrid foam weatherseal with blue background

  • TPV foam bulb
  • coextruded dense foot
  • metal or plastic carrier
  • spray-on coating


    • encapsulated glass seals
    Weatherseal Molded Glass Encapulation

  • TPV injection molded onto glass

    • inner and outer belt line seals
    Weatherseal Outer Belt Line Seal
  • soft TPV lip coextruded with PP
  • slip-coat of coextruded TPV, flock or spray-on coating

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

    • lower sash seals
    Car lower sash weatherseal with blue background

  • slip-coated TPV lip
  • extruded on metal channel

    • corner molding seals & end caps
    Car window corner weatherseal molding with blue background

  • TPV molded onto EPDM or TPV


    • sunroof seals
    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

    • cutline seals
    A cutline car weatherseal with blue background

  • soft TPV sealing lip
  • coextruded mounting channel
  • molded TPV end cap


    • rocker seals
    Weatherseal Roof Line Seal

  • coextruded hard/soft TPV

    • roofline seals
    Weatherseal Roof Line Seal

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


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