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Protection of battery system underbodies

The underbodies of battery systems are constantly exposed to mechanical stress, moisture, and road salt.

Application
EV Battery Underbody
Exposure
Stone Chipping & Corrosion
System
Water-Based Underbody Protection System
Curing
Tack-Free at Ambient Temperature

Technical challenge

Stone chips and corrosive substances damage surface coatings and increase the susceptibility of components to corrosion.

UBS material tested for stone chip resistance using the Multi Grit Tester 508 VDA
UBS material tested for stone chip resistance using the Multi Grit Tester 508 VDA

Solution Concept

Li: Paint damage caused by stone chips; Re: Protected surface
Li: Paint damage caused by stone chips; Re: Protected surface

Use of water-based UBS and thick-film systems with high mechanical strength.

Results & Benefits

Technical Value-Added

  • High resistance to stone chips
  • Protection against moisture and corrosion
  • Elastic protective layer against mechanical stress

    • Process advantages

  • Easy to work with
  • Reliable application
  • Integration into existing manufacturing processes

    • Economic Effects

  • Extended service life of components
  • Reduction in corrosion-related damage
  • Reduced maintenance requirements

    • Applications & Areas of Use

    Underbody panels and structural components of battery systems.

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