Lanmar #645-3 is a high-performance 3 mil PTFE coated fiberglass tape with high-temperature silicone adhesive, engineered for demanding heat sealing and industrial processing applications. The standard-weight PTFE coating delivers reliable non-stick release, excellent chemical resistance, and a low coefficient of friction for consistent performance in high-heat environments.
The smooth PTFE surface helps prevent materials from sticking or leaving residue, improving efficiency and reducing cleanup and downtime in continuous operations.
#645-3 maintains its integrity under extreme heat, making it an ideal choice for heat sealing and packaging equipment, where clean release and consistent sealing are critical.
The PTFE coating resists many chemicals commonly found in manufacturing environments, supporting long service life and dependable performance.
#645-3 is widely used in:
Heat sealing and packaging lines
Plastics processing and mold release
Roll covering in printing, paper, and textile manufacturing
uPVC window welding and fabrication
Available self-wound or with a release liner, Lanmar #645-3 PTFE coated fiberglass tape provides reliable release, high-temperature durability, and long service life for demanding industrial applications.
Tape Thickness Backing |
N/A .003 " |
Tape Thickness Total |
N/A .005 " |
Adhesion |
N/A 40 oz/in |
Break Strength |
N/A 90/65 lb/in |
Elongation |
N/A <5 % |
Dielectric Strength |
N/A 5000 V |
Insulation Class |
N/A - |
Adhesive Type |
N/A Silicone |
Release Liner |
N/A No |
Liner Color |
N/A - |
Temperature |
N/A -100 to +500 ºF |
Tape Color |
N/A Natural- Brown |
