#645-5 is an exceptional 5mil PTFE coated fiberglass tape featuring a silicone adhesive. This pressure-sensitive tape is specifically engineered to meet the rigorous demands of high-temperature applications, providing strong release properties, excellent chemical resistance, and a low coefficient of friction.
The tape's standard weight coating of PTFE ensures reliable release properties, allowing for easy and efficient release of materials without sticking or leaving residue. This is particularly advantageous in industries such as packaging, plastics, roll covering, and uPVC window welding, where precise and reliable processing is essential.
One of the key strengths of #645-5 is its ability to withstand high temperatures. It maintains its integrity and performance even in extreme heat conditions, making it a reliable choice for applications involving heat sealing or processing at elevated temperatures. The tape acts as a barrier, preventing unwanted adhesion during high-temperature operations.
In addition to its remarkable heat resistance, #645-5 offers excellent chemical resistance, protecting it from degradation when exposed to a variety of chemicals commonly encountered in industrial processes. This ensures the tape's longevity and reliability, even in challenging working environments where chemical exposure is a concern.
Furthermore, #645-5 exhibits a low degree of friction, contributing to smooth and efficient operations in high-temperature applications. The reduced friction facilitates easy movement and precise control, minimizing the risk of material jams or inconsistencies during processes such as packaging, plastics manufacturing, roll covering, and uPVC window welding.
In addition to the previously mentioned applications, #645-5 PTFE coated fiberglass tape with silicone adhesive finds utility in various other high-temperature applications due to its exceptional properties. Some additional applications include:
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Heat Sealing: The tape is well-suited for heat sealing applications in industries such as food packaging, pharmaceuticals, and electronics. It ensures clean and reliable seals between packaging materials, such as plastic films or laminates, preserving product integrity and preventing contamination.
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Thermal Insulation: #645-5 can be used as a thermal barrier in applications where heat insulation is required. It provides a protective layer that helps reduce heat transfer and improve energy efficiency. This makes it valuable in HVAC systems, appliances, and automotive applications.
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Rollers and Guides: The tape can be employed to cover rollers or serve as a low-friction guide in machinery and conveyor systems. Its low coefficient of friction allows for smooth material flow and minimizes wear and tear, contributing to improved efficiency and prolonged equipment life.
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Gasketing and Sealing: #645-5 is suitable for gasketing and sealing applications where resistance to high temperatures and chemical exposure is crucial. It can be used to create reliable seals in equipment, valves, and pipes in industries such as chemical processing, oil and gas, and automotive manufacturing.
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Release Liner in Composite Manufacturing: The tape's strong release properties and heat resistance make it a suitable release liner in composite manufacturing processes. It prevents adhesion between composite layers during curing or molding, enabling easy removal and ensuring smooth, defect-free surfaces.
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Heat Shielding: In automotive or aerospace industries, #645-5 can be employed as a heat shield to protect sensitive components from high temperatures. It acts as a thermal barrier, reducing heat transfer and safeguarding electronics, wiring, or delicate parts from thermal damage.
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Welding and Fabrication: The tape can be utilized as a protective barrier during welding or fabrication processes. It prevents unwanted adhesion of welding spatter or molten materials to surfaces, ensuring clean and precise welds while protecting adjacent areas.
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Thermal Spray Coating: In thermal spray coating applications, #645-5 can serve as a masking tape, protecting specific areas from the spray while allowing easy removal afterward. It enables precise and controlled application of thermal spray coatings, enhancing coating quality and efficiency.
In summary, #645-5 PTFE coated fiberglass tape with silicone adhesive offers versatility in a range of high-temperature applications. Its strong release properties, chemical resistance, and low friction make it valuable in heat sealing, thermal insulation, rollers and guides, gasketing, composite manufacturing, heat shielding, welding and fabrication, and thermal spray coating. It is a reliable choice for industries that demand superior performance and durability in challenging environments.
Tape Thickness Backing |
N/A .004 " |
Tape Thickness Total |
N/A .006 " |
Adhesion |
N/A 48 oz/in |
Break Strengh |
N/A 180/160 lb/in |
Elongation |
N/A <5 % |
Dielectric Strength |
N/A 6000 V |
Insulation Class |
N/A - |
Adhesive Type |
N/A Silicone |
Release Liner |
N/A No |
Temperature |
N/A -100 to +500 ºF |
Tape Color |
N/A Natural-Brown |
