Swelling Tape

• Swelling tape is a special functional tape that adheres to the electrode tab and swells in electrolyte, securing the gap between the casing and the electrode tab.
• PU film is applied to absorb external shocks and stabilize the jelly roll, enhancing the performance and lifespan of secondary batteries.

Applications

• Fixation of secondary battery electrode assembly
• Sealing of secondary battery electrode assembly

Representative Structure

• PSA (Acrylic)
• Base Film (PU, PET)
• Release coating (Wax)

Key Features

Enhanced impact resistance, Fish eye & gel-free properties, Uniform mechanical strength, Superior swelling performance, Available in various colors

Product Lineup

Product Lineup

Product Name	Thickness	Adhesion Strength	color
ANT-SPU40	52㎛	250gf/25mm ↑	emerald
ANT-SPU24	34㎛	250gf/25mm ↑	emerald

Insulation Tape

ANT-2038Y (Insulation Tape, Interior) ANT-2050B (Insulation Tape, Exterior)

• It is a specialized product of secondary batteries and is an insulating functional product that blocks contact between the battery and the outside.
• PET film is used and can be custom-made according to color, thickness, and adhesive strength.