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LORD Corporation

With more than 3,100 employees in 26 countries, 19 manufacturing facilities and 10 R&D centers worldwide, we're there for our customers.

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Sipiol UV Dielectric Coatings for Battery Packs

Sipiol UV is a UV-cured, VOC-Free, 100% solids, dielectric coating that cures in seconds that has superior adhesion to metals and plastics. Sipiol UV coatings was specifically formulated for edge coverage and flexibility to prevent catastrophic battery fires. The strong adhesion and flexibility blends itself to many applications in the battery assembly.

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Dielectric Coating for EV Battery Packs

What We Cover: 

  • Sipiol UV offers improve edge coverage and provides dielectric protection where existing solutions may fail

  • How this coating can improve bonding strength to other components in the battery pack

  • Sipiol UV can increase throughput and offers quick handling strength due to the rapid cure

  • 100% VOC free and environmentally friendly

PET Replacement with Sipiol UV

Sipiol UV can replace PET on Cylindrical and Prismatic Cells which will eliminate delamination at corners and seams and has superior adhesion to battery cells. Sipiol UV will not de-bond or delaminate during use. Our dielectric paint contains unique properties with good coverage and high flexibility, allowing it to be applied to complex geometries where other battery coatings or tapes may fail. Production time can be reduced with the rapid cure time in a matter of seconds, not hours. Note: the delamination with the sharp corner and maintaining isolation is vital to safety in high voltage batteries and even more important as density energy increases. 

How Does Sipiol UV Work?

Our chemistry can cure rapidly when exposed to the appropriate wavelength and the intensity of light. These conditions are tailored to the coating formulation and more specifically, the photoinitiator.  When UV light is applied to the liquid coating, the photoinitiator produces free radicals which begin the chain reaction when rising liquid monomers into a cross linked and cured coating.

Sipiol UV Flexibility

Sipiol UV passes a 9 mm mandrel bend without cracking or delamination. When cracking occurs, there can be exposure to the metal substrate underneath thus eliminating isolation properties. The flexibility allows it to adhere to complex geometries and large format parts that may see flexing during use. On Cooling trays, Sipiol UV eliminates cracking as seen with epoxy’s. Epoxy's can be brittle and crack with rapid temperature changes, shrinkage can occur during cure or when exposed to mechanical or environmental changes.

How to Apply Sipiol UV

Sipiol UV has excellent edge coverage without delamination when applied to battery packs. Preventing delamination and maintaining electrical isolation is Vitol to safety in high voltage batteries and even more important as energy density is increased. Watch this video to see how Sipiol UV is applied and the safety tests the material goes through.

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