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Value Added Services»Taping

Taping
Value-Added Services

Taping

Allied can add a tape jacket to your cable in order to group individual wires together creating a multi-conductor cable, as well as adding a little extra protection from wear. The end result is similar to extruding, but it is designed to perform better. Choose from a variety of materials, as well as a wide range of colors.

See How Allied Wire & Cable Does Taping!
OUR PROCESS

Tape Insulation and Tape Jacketing

Insulation and jacketing provide important layers of mechanical and electrical protection for a cable. Choosing the appropriate materials for each can be an important decision.

 

Insulation: Extruded Vs. Tape

The two main types of insulation are defined by how they are applied. Tape jackets are wrapped and taped around the cable while extruded jackets are pressed or forced out around the cable during the manufacturing process. See below for some of the advantages and disadvantages of each type of insulation to determine which is right for your application.

Extruded: These are less expensive than tape and are easier to apply. Extruded insulations also weigh less, are less flammable and are more easily repaired than tape insulations.

Tape: Tapes are usually specified for demanding or high-performance applications. Their manufacture involves wrapping the tape around the cable followed by a process in which the layers of tape are fused to create a solid, more uniform wall. Because its application takes a little more time and care than extrusion, it is generally more expensive. Tape, however, is common in cables that must perform in challenging environments.

 


 

Types of Tape Jackets and Insulation

There are several different material options that can be used for tape jackets and insulation.

Mylar tape: Mylar is characterized by its excellent tensile strength and durability, and is often used as cable insulation. Its ideal operating temperature is 150 degrees Celsius for performance without diminished properties.

Aluminum mylar: This tape consists of aluminum foil, laminated with a polyester film. It reflects heat and light while providing chemical and flame resistance.

PTFE tape: PTFE tape is a superb insulator. It offers a wide temperature range, low dissipation, low smoke generation and flame resistance, chemical and moisture resistance, and solvent resistance, but it has poor cold flow resistance. Usually, PTFE tape is heat-sintered to provide improved abrasion resistance, uniformity, and performance. Unsintered PTFE tape, however, is often used to reduce loss in high-speed data cables.

Polyester tape: Although this tape is not usually used as primary insulation, it is appropriate for shield isolation and insulation protection. It creates a thermal barrier between the two cable components and its tough material provides the cable with additional mechanical strength.

Kapton tape: This tape is mechanically tough, increasing abrasion, cut-through and impact resistance. It also improves the cable's weather and chemical resistance, although it is susceptible to deterioration from strong bases. It has an impressive operating temperature range of minus 200 degrees Celsius to 200 degrees Celsius. This tape is radiation-resistant and will not burn. Kapton Type F also has excellent electrical properties.

TFE tape: TFE tape can be used as primary insulation. It provides extreme abrasion and abuse resistance, as well as chemical, heat and moisture resistance. It boasts excellent electrical properties and is rated for use up to 260 degrees Celsius under Mil-Spec standards and up to 250 degrees Celsius, according to UL specifications.

Mica tape: This is a composite tape with a glass scrim backing for mechanical strength. It can be used as primary insulation. It is rated by the UL to 450 degrees Celsius but can resist temperatures much higher. It has great moisture and radiation resistance and can withstand harsh electrical and thermal overloads.

FEP tape: FEP tape is manufactured from clear FEP Teflon film and bonded with silicone adhesive. It is used primarily in electrical applications including cable termination insulation and capacitor insulation due to its high-temperature rating and resistance to chemicals and moisture. Since FEP demonstrates superior chemical resistance properties and optical clarity, it is also used as a protective overlay for harnesses and cables.

 

Looking for other options?

If you have shorter runs, you may want to consider Extruding.

 

Curious About Other Services?

Download our Informative PDF that breaks down a few of Allied Wire & Cable's Value-Added Services.

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