A heat-shrinkable sleeve is a type of protective covering made from materials like polyolefin, PVC, or other thermoplastic materials that shrink in size when heat is applied. These sleeves are commonly used in various applications, including electrical insulation, cable protection, and sealing. ### Key Features: 1. **Heat Activation**: When exposed to a heat source (like a heat gun), the sleeves shrink tightly around the item they are covering, providing a snug fit.
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