Hot Melt Adhesive (Polymer Tape) is the insulating part on the tabs. Its function is to prevent short circuit between the metal strip and the aluminum laminated film when the battery is encapsulated, and to prevent leakage of liquid by heating and thermally sealing the aluminum laminated film together during encapsulation.
FUNCTIONAL CHARACTERISTICS:
BLACK ADHESIVE: Generally used in many small digital batteries.
YELLOW ADHESIVE: Generally used in low and medium-level power batteries and high rate batteries.
WHITE ADHESIVE: Generally used in high-level digital batteries, power batteries and high rate batteries.
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