High Temperature Electrical Insulation Tape
 | High Temperature Electrical Insulation Tape
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High Heat Tape Company is a manufacturer of high temperature electrical insulation tape for electronic assembly, PCB masking, coil wrapping, motor insulation, transformer insulation, and battery terminal protection. This tape range is made for heated electrical areas where insulation performance, adhesive stability, and surface compatibility must be checked together. Depending on the working condition, polyimide film, glass cloth, or PTFE film can be combined with silicone adhesive or acrylic adhesive to support dielectric strength, thermal class matching, and clean removal after heat exposure.
How Does High Temperature Electrical Insulation Tape Perform in Coil and Motor Insulation?
In coil wrapping, motor insulation, and transformer insulation, the tape needs to do more than stay attached at high temperature. It should wrap smoothly around end windings, lead wires, and uneven conductor surfaces without creating excessive build-up or lifting at the edge. Polyimide film is useful when a thin insulating layer is required. Glass cloth backing is better when the wrapping layer needs stronger mechanical support. Before bulk use, the tape should be checked on the real part for adhesion after heating, winding tightness, residue on varnished coils, and insulation layer stability after 180C or 200C exposure.
Product Photos
Product Overview
High temperature electrical insulation tape is used where heat and electrical stress appear at the same time. It is not a PTFE pipe tape substitute, plumbing tape, flange sealing tape, or release tape for ordinary packaging heat sealing. The product is made for electrical isolation on components such as PCB areas, winding assemblies, lead wires, transformer layers, battery tabs, and exposed metal edges.
For thin masking and compact electronic insulation, polyimide electrical insulation tape is often selected with 25 um or 50 um film backing. It gives a thin insulating layer, clean masking edge, and stable handling during soldering-related processes. For motor winding, transformer lead protection, and outer coil wrapping, glass cloth electrical insulation tape with 120 um to 150 um backing gives better tensile support and abrasion resistance. PTFE film options from 50 um to 100 um are used when low surface energy, chemical resistance, and heat resistant electrical insulation tape performance are needed in the same part.
A practical selection should not be based only on the highest temperature rating. More useful checks include dielectric strength, insulation resistance, peel adhesion after heat exposure, edge lifting on curved parts, and residue on real surfaces. In sample testing, 180C for 30 min or 200C for 20 min can help observe shrinkage, adhesive transfer, clean removal, and surface marks on PCB, copper, varnished coil, aluminum, or battery terminal metal.
Technical Data Sheet
Item | Typical Value |
Product type | High temperature electrical insulation tape |
Backing options | Polyimide film, glass cloth, PTFE film |
Adhesive options | Silicone adhesive, acrylic adhesive by grade |
Total thickness | 0.05 mm, 0.08 mm, 0.13 mm, 0.18 mm, 0.20 mm |
Polyimide backing thickness | 25 um or 50 um typical |
Glass cloth backing thickness | 120 um to 150 um typical |
PTFE film backing thickness | 50 um to 100 um typical |
Standard color | Amber, white, brown, black, natural |
Slit width range | 3 mm to 500 mm |
Slitting tolerance | +/-0.5 mm typical, tighter tolerance by drawing |
Roll length | 10 m, 33 m, 50 m, 66 m or project length |
Die-cut tolerance | +/-0.2 mm to +/-0.5 mm depending on shape |
Short-term temperature option | 180C to 260C depending on backing and adhesive |
Suggested thermal class check | Class F, Class H, or Class N by material selection |
Dielectric strength reference | 5 kV/mm to 8 kV/mm depending on structure |
Insulation resistance reference | >=10^10 ohm under standard lab condition |
Peel adhesion reference | 5 N/25 mm to 9 N/25 mm on steel |
Tensile strength reference | 80 N/25 mm to 250 N/25 mm by backing |
Elongation reference | 5% to 70% depending on film or cloth backing |
Heat aging observation | 180C for 30 min or 200C for 20 min sample check |
Residue test surface | PCB, copper, varnished coil, aluminum, battery terminal metal |
Flame retardant note | Confirm by exact grade and certificate before production use |
Benefits
- Supports electrical isolation in heated electronic, motor, transformer, and battery assemblies.
- Helps protect coil leads, end windings, transformer layers, battery tabs, and busbar edges.
- Polyimide film options are suitable for thin PCB masking and soldering-area protection.
- Glass cloth backing improves tensile strength for high temperature coil insulation tape applications.
- Silicone adhesive insulation tape grades can maintain stable adhesion after controlled heat exposure.
- Residue behavior can be checked on PCB, copper, aluminum, varnished coil, and battery terminal surfaces.
- Slit rolls can normally be controlled around +/-0.5 mm, with tighter tolerance checked by drawing.
- Die-cut parts can be produced around +/-0.2 mm to +/-0.5 mm depending on shape and liner design.
- Flame retardant performance is confirmed only by exact grade and available certificate.
Application
- PCB masking during wave solder, reflow, connector protection, and gold finger shielding
- Temporary masking on FR4 boards where clean removal and edge stability are required
- Coil wrapping for motors, relays, generators, inductors, and winding assemblies
- Motor insulation around lead wires, end windings, slot areas, and heated electrical parts
- Transformer insulation for layer separation, lead fixing, and outer wrapping support
- Battery terminal protection on tabs, busbar edges, exposed metal parts, and module areas
- Die-cut insulation pads for compact electronic devices and battery pack assemblies
- Cable end protection and harness areas near heated electrical components
What Should Be Tested Before Using the Tape for PCB Masking and Battery Terminal Protection?
Before using the tape for PCB masking or battery terminal protection, the test should go beyond simple heat resistance. For PCB production, check the tape after reflow, wave solder, or short heat exposure to see whether adhesive residue, edge shrinkage, or lifting appears around fine pads, gold fingers, and connector areas. For lithium battery components, the key checks are dielectric strength, insulation resistance, stable coverage around terminals, and isolation on tabs or busbar edges. A sample test on the actual PCB, copper, aluminum, or battery terminal surface is safer than selecting only by a 180C or 200C temperature rating.
FAQ
Is this tape the same as PTFE pipe tape?
No. This product is made for high temperature electrical insulation, PCB masking, coil wrapping, motor insulation, transformer insulation, and battery terminal protection. It is not used for plumbing, thread sealing, gas lines, or flange joints.
Which backing should be selected for PCB masking?
Polyimide film is commonly selected for PCB masking because 25 um or 50 um backing can provide a thin insulating layer, sharp masking edge, and heat resistance. The final grade should still be tested after the real soldering process to confirm residue, shrinkage, and removal behavior.
Can the tape be used for motor and transformer insulation?
Yes. Polyimide and glass cloth options can be used for motor insulation, transformer insulation, coil wrapping, and lead protection. The suitable grade should be confirmed by thermal class, dielectric strength, wrapping surface, and heat aging result such as 180C for 30 min or 200C for 20 min.
Can you confirm flame retardant performance?
Flame retardant performance can only be confirmed by the exact material grade and available certificate. High Heat Tape Company does not treat one general flame retardant statement as valid for every backing and adhesive structure.