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PTFE Zone / Barrier Tapes - PTFE-Glass fabric zone tapes are primarily used in applications where it is important that the adhesive doesn’t come in to contact with a heating element or it is necessary to cover an expensive component of
a packaging machine such as silicone sponge or foam.
Applications
Zone tapes are used in applications where PTFE-Glass fabric needs to be mechanically fastened to a surface. Zone tapes are used as a barrier between the hot surface of an impulse heating element and the material that is to be sealed, usually within the packaging industry. This tends to be the sealing of plastics carrier bags or when sealing items in a film pouch ready for the next process of shrinking. L-sealers and vacuum sealers all tend to use these styles of tapes and are offered in two types depending on preference or application.
Features / Benefits
The high PTFE content of the tape protects the surface of the impulse element allowing the molten plastic
to bond together creating a seal whilst not damaging the delicate elements. Depending on the style of zone tape used it either has a double sided or glass weave style tape to bond to the surface. Both styles offer
a strong adhesive whilst being easy to remove and replace.
Material Properties
Zone tapes are PTFE coated glass fabrics with double sided tape or single sided glass weave tape down both edges. They are manufactured in either, 008mm, .013mm, .015mm or .023mm thick in varying widths.
Additional Information
All zone tapes are custom made to your specifications with quick turnaround times. Standard roll lengths are 30m coils; however shorter runs are available if required.
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| PTFE film encapsulates the edge the help stop fraying and offer protection. The benefit to using film is that it is soft in nature and will stretch with the belt when under tension. |
Alligator joints are stainless steel metallic fasteners with a tie bar across the back preventing any individual pieces coming away and potentially falling in to food products. |
Tracking cords are usually 5x5mm square and made of PTFE enabling them to work at the same temperatures as the belt itself. They run in grooves like dots and studs but can be more beneficial. |
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