3M Lead Foil Tape 421 is an electrically and thermally conductive tape for a variety of uses. Features: Conformable tape resists flame, moisture, weather, UV degradation, and many chemicals Performs over a wide variety of temperature conditions and is heat reflective Heat and light reflective tape protects insulates and enhances lighting efficiency Can be die-cut into specific shapes for assembly and manufacturing processes The rubber-based adhesive combined with the rugged, durable backing provides long service life Recommended Application: Masking applications in electroplating Radiation barrier Moisture barrier Chemical milling Add weight and balance to equipment parts, golf clubs, tennis rackets, etc.