Black4 PTFE coated fiberglass tape is engineered for high-performance heat sealing applications in the packaging and manufacturing industries. Manufactured using a consistent dip-coating process, this tape features a black pigmented PTFE surface, high-temperature silicone adhesive, and a yellow dimpled release liner for easy handling and precise installation.

Black PTFE Surface for Improved Heat Transfer

The black PTFE coating enhances heat absorption and heat distribution, helping sealing equipment transfer heat more efficiently. This improves seal quality, reduces sealing time, and minimizes the risk of localized overheating that can damage equipment.

High-Temperature Silicone Adhesive

Black4 is coated with a high-temperature silicone adhesive designed to maintain strong adhesion under continuous heat. The adhesive resists breakdown and keeps the tape securely in place during demanding heat sealing operations.

Easy Application with Dimpled Release Liner

A yellow dimpled release liner protects the adhesive during storage and allows for fast, clean installation. The textured liner improves grip and ensures smooth liner removal for a flawless working surface.

Non-Conductive & Safe for Sensitive Equipment

Black4 is a non-conductive PTFE tape, making it suitable for applications where electrical insulation and component protection are important.

Ideal for Packaging & Industrial Heat Sealing

Common applications include:

• Sealing polyethylene, polypropylene, and laminated films

• Heat sealing bags, pouches, and packaging materials

• Textile sealing and fabrication

• Automotive and electronics assembly

• Industrial heat sealing processes

Black4 PTFE coated fiberglass tape delivers reliable release, efficient heat transfer, and long service life, making it a trusted solution for demanding heat sealing environments.