Thermally Conductive Double Sided Adhesive Tapes
 | Thermally Conductive Double Sided Adhesive Tapes
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PVC Electrical Tape Company is a manufacturer of thermally conductive double sided adhesive tapes for heat sink bonding, cooling-device bonding, LED modules, metal housings, and compact electronic assemblies. Made with a double-sided pressure-sensitive adhesive structure and ceramic-filled thermal adhesive, the tape helps create a stable heat transfer path while keeping parts fixed in position. For reliable selection, thickness, thermal resistance, bonding pressure, surface flatness, liner type, and sample performance should be checked under the actual assembly condition.
Product Photos
Benefits
- Helps transfer heat from components to heat sinks, housings, or cooling plates.
- Double-sided pressure-sensitive structure allows clean bonding without curing.
- Ceramic-filled thermal adhesive supports heat transfer through the adhesive layer.
- A low thermal resistance interface can be reached by matching thickness, pressure, and surface contact.
- Electrically insulating structures are available for selected electronic assemblies.
- Rolls, sheets, and die-cut parts are available for manual placement or production-line use.
- Liner options support slitting, kiss-cutting, easy removal, and accurate positioning.
- Typical batch checks include coating stability, thickness tolerance, liner release, and die-cut edge quality.
- In suitable low-load designs, the tape may reduce the need for clips or screws after adhesion, temperature, and vibration testing.
Applications
- Heat sink bonding for power electronics and control modules
- LED module thermal bonding on aluminum substrates
- Metal housing heat dissipation for compact electronic units
- Heat spreader bonding application in PCB assemblies
- Cooling plate attachment for selected battery and power devices
- Thermal bonding between ceramic parts and metal cooling surfaces
- Electronic component heat sink mounting where screws are difficult
- Thin bonding applications requiring adhesive fixation and insulation
What Should Be Tested Before Converting Thermal Tape into Die-Cut Parts?
Before thermal tape is converted into pads, strips, or shaped die-cut parts, it is better to test the sample under the real assembly condition instead of judging only from roll data. The check should include liner release force, die-cut edge cleanliness, adhesive transfer, thickness stability, and whether the part can be picked up, positioned, and pressed without curling. In cooling device bonding tape projects, the sample should also be checked for thermal contact area, bonding pressure, surface cleanliness, and surface wet-out on metal, ceramic, or coated parts after a short dwell time. These small details can help reduce edge lifting, liner removal problems, adhesive residue, and unstable placement during batch assembly.
Technical Data Sheet
Item | Typical Value |
Product Type | Thermally conductive double sided adhesive tape |
Adhesive System | Ceramic-filled acrylic pressure-sensitive adhesive |
Structure Options | Carrier-free, PET carrier, or reinforced structure |
Typical Thickness | 0.10 mm, 0.15 mm, 0.20 mm, 0.25 mm, 0.30 mm, 0.50 mm |
Thickness Tolerance | +/-0.02 mm typical reference, depending on structure |
Thermal Conductivity | 0.8-1.5 W/mK typical factory test range |
Thermal Resistance | 0.25-0.85 C-in2/W reference, affected by thickness, pressure, and contact area |
Dielectric Strength | >=3 kV/mm typical reference for insulating structures |
180 Degree Peel Adhesion | 6-12 N/25 mm typical test value on stainless steel |
Holding Power | >=24 h at 23 C with 1 kg/25 mm sample reference |
Operating Temperature | -20 C to 120 C typical application reference |
Short-Term Temperature | Up to 150 C sample test reference |
Release Liner | PET liner, PE-coated paper liner, or glassine liner |
Standard Width | 500-1040 mm jumbo roll, slit width by confirmation |
Roll Length | 25 m, 50 m, or confirmed production length |
Supply Format | Jumbo roll, slit roll, sheet, kiss-cut part, die-cut pad |
Surface Requirement | Clean, dry, oil-free metal, plastic, ceramic, or coated surface |
Bonding Pressure | 10-30 psi sample reference for surface wet-out |
Sample Test Focus | Thermal contact area, liner removal, edge lifting, final temperature rise |
Batch Control | Thickness, adhesive coating, liner release, roll edge, die-cut tolerance |
Product Overview
Thermally conductive double sided adhesive tapes are used when a heat-generating part needs to be bonded to a heat sink, cooling plate, aluminum housing, or heat spreader with a thin and clean adhesive layer. The tape works as both a bonding material and a thermal interface material, helping heat move through the bond line while keeping the component in place during assembly.
PVC Electrical Tape Company produces this tape with a ceramic-filled thermal adhesive layer for applications where ordinary double-sided tape cannot provide suitable heat transfer. Depending on the part design and handling method, the tape can be made as a carrier-free transfer tape, PET carrier tape, or reinforced tape. Common sample thicknesses include 0.10 mm, 0.15 mm, 0.20 mm, 0.25 mm, 0.30 mm, and 0.50 mm. A thin bond line may help shorten the heat path, but it must still wet the surface well enough to avoid air gaps.
For industrial heat sink bonding tape use, the important point is not only adhesion strength. Production teams often need repeatable thickness, stable adhesive coating, smooth liner removal, clean die-cut edges, and controlled adhesive transfer. These details affect whether the tape can be placed accurately and perform consistently in regular assembly. This product is not mainly developed for EMI shielding or consumer phone repair. It is made for electronic assemblies where heat transfer, dielectric separation, and stable handling need to work together.
How Does Tape Thickness Affect Thermal Resistance in Heat Sink Bonding?
Tape thickness should be selected together with surface flatness, bonding gap, and dielectric requirement. A thinner adhesive layer can shorten the heat transfer path, but this only works well when the heat sink, housing, or component surface has enough flat contact. If the surface is slightly uneven, a very thin tape may leave small air gaps and increase interface resistance. A thicker tape may improve surface wet-out and handling, but it can also make the thermal path longer. For this reason, thermal conductivity should not be judged alone. A practical selection should compare thickness, thermal resistance, bonding pressure, insulation needs, and real temperature rise after assembly.
FAQ
What is the main use of thermally conductive double sided adhesive tapes?
They are mainly used for bonding heat sinks, cooling plates, LED modules, heat spreaders, metal housings, and electronic components while helping heat pass through the adhesive layer.
Can the tape replace screws or clips?
It can reduce mechanical fastening in selected low-load designs. The final decision should depend on part weight, bonding area, surface condition, operating temperature, adhesion performance, and vibration testing.
How should the right thickness be selected?
Thickness should be selected by bonding gap, substrate flatness, dielectric insulation needs, and thermal resistance target. Testing with the actual heat sink, housing, or cooling device is recommended before regular production.
Can the tape be supplied as die-cut parts?
Yes. PVC Electrical Tape Company can supply slit rolls, sheets, kiss-cut parts, and die-cut pads. Liner type, edge quality, part size, removal performance, and adhesive transfer should be confirmed with samples before bulk use.