Mylar Tape for Battery Pack Insulation
JIAO TAO TAO Mylar Tape for Battery Pack Insulation
JIAO TAO TAO Mylar Tape for Battery Pack Insulation is designed for battery cell insulation, module separation, and electrical protection in battery assembly. It helps improve insulation consistency, supports cleaner battery structures, and allows manufacturers to choose suitable tape widths and thicknesses for different battery pack sizes, cell layouts, and assembly requirements.
What is Mylar Tape for Battery Pack Insulation?
Mylar tape for battery pack insulation is a polyester film insulation tape used in battery structures where electrical isolation, surface protection, and stable wrapping performance are required. It is commonly applied to battery cells, module separation areas, tab protection positions, and local insulation points inside battery packs. Compared with general-purpose tapes, this type of polyester insulation tape is more suitable for battery assembly processes that require controlled application, flexible size selection, and more consistent electrical insulation support.
Core Features
- Polyester film backing
Suitable for battery insulation, cell separation, and electrical protection applications. - Electrical insulation support
Helps provide stable insulation performance inside battery packs and module structures. - Flexible size selection
Available in different slit widths, lengths, and thickness options for different battery sizes and insulation layouts. - Cleaner assembly structure
Helps organize battery insulation layout more consistently during production. - OEM converting support
Supports slitting, rewinding, and packaging customization for battery manufacturers.
Technical Specifications
| Item | Description |
|---|---|
| Color | Yellow | Black | Green | Blue | Pink | Transparent | Amber | Red | Purple | White | Orange | Deep Yellow | Custom |
| Thickness (mm) | 0.025 | 0.038 | 0.05 | 0.055 | 0.06 | 0.08 | 0.1 | 0.13 | 0.15 | Custom |
| Width (mm) | 1 mm to 1270 mm | Custom |
| Length (m) | 33 | 50 | 66 | 100 | Custom |
| Core Diameter (mm) | 25 | 32 | 38 | 76 | Custom |
| Packaging Method | Label | OPP Bag | PVC Box | Carton | Custom |
| Related Processing | + Release Liner | Die Cutting | Custom |
Detailed Technical Specifications
| Model | Total Thickness (mm) | Backing Thickness (mm) | Adhesive Thickness (mm) | Peel Strength (N/25mm) | Tensile Strength (N/10mm) | Elongation at Break (%) | Breakdown Voltage (kV) | Temperature Resistance (Long-term) | Flame Retardant Rating |
|---|---|---|---|---|---|---|---|---|---|
| JTT-MR2500 | 0.025 | 0.025 | 0 (Light Coat) | 6–7 | ≥32 | ≥60 | ≥3.8 | 130℃ | UL94 VTM-2 |
| JTT-MR2513 | 0.038 | 0.025 | 0.013 | 6–7 | ≥32 | ≥70 | ≥4.0 | 130℃ | UL94 VTM-2 |
| JTT-MR5000 | 0.050 | 0.050 | 0 (Light Coat) | 7–8 | ≥35 | ≥80 | ≥4.5 | 130℃ | UL94 VTM-2 |
| JTT-MR5005 | 0.055 | 0.050 | 0.005 | 7–8 | ≥35 | ≥80 | ≥4.8 | 130℃ | UL94 VTM-2 |
| JTT-MR5030 | 0.080 | 0.050 | 0.030 | 8–9 | ≥38 | ≥100 | ≥5.5 | 130℃ | UL94 VTM-2 |
| JTT-MR7525 | 0.100 | 0.075 | 0.025 | 8–10 | ≥40 | ≥100 | ≥6.0 | 130℃ | UL94 VTM-2 |
| JTT-MR10030 | 0.130 | 0.100 | 0.030 | 9–11 | ≥45 | ≥120 | ≥7.0 | 130℃ | UL94 VTM-2 |
| JTT-MR12525 | 0.150 | 0.125 | 0.025 | 10–12 | ≥50 | ≥120 | ≥8.0 | 130℃ | UL94 VTM-2 |
Main Applications
- Battery cell outer insulation
Used to protect battery cells and improve insulation organization during assembly. - Module-to-module separation
Helps separate battery cells or modules and maintain electrical isolation inside battery pack structures. - Tab and edge protection
Can be used to protect local electrical connection areas where controlled insulation is required. - General battery pack insulation
Suitable for electrical separation and fixing in battery pack production and assembly work.
How to Choose the Right Tape Size
- Narrow widths are suitable for battery tabs, edge insulation points, and compact cell protection positions.
- Medium widths are commonly used for standard battery wrapping and insulation coverage.
- Wider rolls are better for larger modules or broader insulation areas in pack assemblies.
- Thinner grades are easier to apply where compact stacking and precise fitting are important.
- Thicker grades are more suitable when stronger insulation build-up or added surface protection is needed.
Advantages & Suitable Scenarios
Customization Options
1. Size Customization
- Custom width
- Custom length
- Custom thickness
- Custom core size
2. Converting Options
- Slit rolls
- Rewound rolls
- Custom cut lengths
- OEM packaging
3. Color Options
- Yellow
- Black
- White
- Blue
- Green
4. Supply Support
- OEM / ODM support
- Bulk industrial supply
- Export packaging support
- Factory direct delivery
FAQ — JIAO TAO TAO Mylar Tape for Battery Pack Insulation
Q1 | What is mylar tape used for in battery pack insulation?
It is mainly used for battery cell insulation, module separation, tab protection, and electrical insulation inside battery pack structures.
Q2 | How do I choose the right width?
The width should match the battery cell size, insulation coverage area, and assembly method. Narrow widths are better for smaller insulation points, while wider widths are more efficient for larger coverage areas.
Q3 | How do I choose the right thickness?
Thinner tape is more suitable for compact battery assemblies and precise fitting. Thicker tape is more suitable when additional insulation build-up or stronger surface protection is needed.
Q4 | Can it be customized?
Yes. JIAO TAO TAO supports custom width, length, thickness, color, and OEM packaging according to battery production requirements.
Q5 | Is it suitable for battery module production?
Yes. It is suitable for batch battery module manufacturing and can be supplied in slit rolls or other converting formats for industrial use.
Q6 | Does it support OEM service?
Yes. OEM slitting, rewinding, and bulk industrial supply are available.
Need help choosing the right industrial tape?
Send us your application details, including temperature, surface material, size, quantity and current problem. Our team will help recommend a suitable tape material or custom die-cut solution.
simon@jiaotaotao.com
+86-136 1277 5969
+86-136 1277 5969
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