TOB NEW ENERGY provides the PVC film shrink wrap machine for cylindrical cell. The function of covering the lithium-ion cylindrical battery with PVC film is to protect the internal structure of the battery, prevent the leakage of the electrolyte and the intrusion of the outside world, and improve the safety and reliability of the battery. PVC film is a polymer material with good flexibility and heat resistance, which can adapt to the ubah bentuk dan suhu changes of the battery. PVC film can also block oxygen and moisture, reducing battery aging and self-discharge.
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