Advanced Functional Films for Electronics & Energy Systems
Precision-engineered base films for insulation, adhesion, and optical performance
In next-generation electronics and energy devices, materials that combine mechanical precision, thermal stability, and aesthetic consistency define both reliability and performance.
Terapec’s advanced adhesive tape base films are designed to meet these evolving demands, delivering uniform thickness, high tensile strength, and excellent electrical insulation across a broad range of industrial, electronic, and battery applications.
From transparent functional layers used in adhesive tapes to specialty colored insulation films developed for energy storage systems, each product is manufactured with rigorous process control to ensure dimensional stability and flawless convertibility in downstream lamination, coating, or slitting operations.
Functional Base Films
Functional Base Films are designed to deliver high mechanical reliability, dimensional precision, and surface consistency in advanced electronic and insulation applications.
These films provide the foundation for a wide range of products such as adhesive tapes, insulation layers, and protective coatings where consistent strength, uniformity, and process stability are essential.
Transparent Adhesive Tape & Aluminum-Plastic Laminate Film
This high-performance transparent base film combines exceptional optical clarity with high tensile strength and reliable insulation performance.
It ensures smooth processing during coating, lamination, or slitting operations, maintaining consistent dimensional stability and excellent adhesion characteristics.
- The film is suitable for use in electronic adhesive tapes, photosensitive films, packaging materials, and new energy insulation layers that demand precision and long-term durability.
Key Properties:
- Excellent thickness uniformity and surface smoothness
- High tensile strength and dimensional stability
- Superior mechanical and electrical insulation reliability
Technical Specifications
| Item | Unit | 3.5 µm | 4.5 µm | 6 µm | 9 µm |
|---|---|---|---|---|---|
| Mechanical Properties | |||||
| Tensile Strength (MD) | MPa | 220 | 230 | 220 | 220 |
| Tensile Strength (TD) | MPa | 210 | 220 | 210 | 210 |
| Elongation at Break (MD) | % | 64 | 73 | 83 | 95 |
| Elongation at Break (TD) | % | 67 | 75 | 80 | 102 |
| F5 Value (MD) | MPa | 80 | 80 | 90 | 90 |
| F5 Value (TD) | MPa | 80 | 80 | 90 | 90 |
| Heat Treatment | |||||
| Heat Shrinkage (MD) | % | 2.2 | 1.8 | 1.7 | 1.7 |
| Heat Shrinkage (TD) | % | 0.7 | 0.6 | 0.4 | 0.2 |
| Optical Properties | |||||
| Light Transmittance | % | 88 | 88 | 88 | 88 |
| Haze | % | 3.8 | 4 | 4 | 4 |
Transparent Adhesive Tape Film - Technical Properties
Optical & Light-Control Films
Optical & Light-Control Films are specialized materials developed for applications that require precise control of reflectivity, opacity, and color stability.
These films combine mechanical strength with optical functionality, making them ideal for use in decorative components, reflective layers, and light-management elements in electronic and industrial products.
White Adhesive Tape Film
A pure, high-reflectivity white film engineered for optical, decorative, and industrial applications requiring uniform brightness and visual consistency.
It offers low light transmittance, stable color performance, and high surface gloss, ensuring excellent printing and lamination compatibility.
- Commonly used in signage, printing, IC cards, and reflective packaging materials, the film provides reliable optical stability and aesthetic appeal over time.
Key Properties:
- Brilliant whiteness with lasting color and reflectivity stability
- Excellent light-blocking capability and surface gloss
- Smooth surface enabling precise coating and processing
Technical Specifications
| Item | Unit | 6 µm | 12 µm | 15 µm | 18 µm | 25 µm |
|---|---|---|---|---|---|---|
| Mechanical Properties | ||||||
| Tensile Strength (MD) | MPa | 180 | 150 | 160 | 170 | 170 |
| Tensile Strength (TD) | MPa | 160 | 140 | 140 | 150 | 150 |
| Elongation at Break (MD) | % | 60 | 70 | 80 | 90 | 100 |
| Elongation at Break (TD) | % | 70 | 80 | 100 | 105 | 120 |
| Heat Treatment | ||||||
| Heat Shrinkage (MD) | % | 2 | 1.6 | 1.4 | 1.3 | 1.3 |
| Heat Shrinkage (TD) | % | 0.2 | -0.2 | -0.2 | -0.2 | -0.3 |
| Optical Properties | ||||||
| Light Transmittance | % | 60 | 40 | 38 | 38 | 35 |
| Color Value (L) | — | 95 | 96 | 96.5 | 95.9 | 96.5 |
| Color Value (A) | — | -0.3 | -0.5 | -0.5 | -0.27 | -0.3 |
| Color Value (B) | — | -7.1 | -8.5 | -8 | -8.4 | -8.7 |
| Gloss @60° | — | 74 | 98 | 98 | 97 | 95 |
| Other | ||||||
| Surface Tension | dyn | 52 | 52 | 52 | 52 | 52 |
White Adhesive Tape Film - Technical Properties
Black Adhesive Tape Film
A high-precision black film designed for insulation and light-blocking performance in compact and high-density electronic assemblies.
Its deep, uniform color tone and consistent mechanical strength ensure reliable insulation and structural stability under demanding environmental conditions.
- Ideal for use in insulation spacers, light-shielding tapes, and non-metallic component fixation, this film provides stable optical opacity and excellent dimensional control.
Key Properties:
- Stable color tone and strong tensile performance
- Reliable electrical insulation and shape retention
- Outstanding dimensional precision and processing stability
Technical Specifications
| Item | Unit | 4.5 µm | 6 µm | 9 µm |
|---|---|---|---|---|
| Mechanical Properties | ||||
| Tensile Strength (MD) | MPa | 192 | 201 | 139 |
| Tensile Strength (TD) | MPa | 181 | 195 | 133 |
| Elongation at Break (MD) | % | 64 | 76 | 83 |
| Elongation at Break (TD) | % | 74 | 94 | 89 |
| Heat Treatment | ||||
| Heat Shrinkage (MD) | % | 1.87 | 1.85 | 2.05 |
| Heat Shrinkage (TD) | % | 0.38 | 0.20 | 0.48 |
| Optical Properties | ||||
| Light Transmittance | % | 4.3 | 1.62 | 0.1 |
| Gloss @60° | — | 40.7 | 38.1 | 32.0 |
| Color Value (L) | — | 32.36 | 32.63 | 31.74 |
| Color Value (A) | — | 0.30 | 0.14 | -0.75 |
| Color Value (B) | — | -2.00 | -1.77 | -1.91 |
Black Adhesive Tape Film - Technical Properties
Metallic Appearance Films
Metallic Appearance Films combine durable mechanical performance with a uniform metallic finish, offering both decorative impact and functional value.
They are used in electronics, industrial tapes, and premium packaging applications where metallic gloss, surface stability, and reliable processability are required.
Golden Adhesive Tape Film
Golden Adhesive Tape Film is a high-quality, glossy golden film that combines visual appeal with reliable electrical insulation and mechanical strength.
Its uniform thickness, smooth surface, and stable performance make it suitable for use in electronics, electrical devices, adhesive tapes, and industrial film applications requiring consistent insulation and appearance.
- Widely used in electronics, electrical appliances, adhesive tapes, industrial films, and related applications requiring reliable insulation and visual appearance.
Key Properties:
- Long-lasting metallic gold appearance with uniform gloss
- High mechanical strength and electrical insulation reliability
- Stable thickness and excellent dimensional control
- Smooth surface for easy coating and lamination
- Maintains color and performance under extended use
Technical Specifications
| Item | Unit | Typical Value (3.8 µm) | Typical Value (15 µm) |
|---|---|---|---|
| Mechanical Properties | |||
| Tensile Strength (MD) | MPa | 186 | 162 |
| Tensile Strength (TD) | MPa | 185 | 145 |
| Elongation at Break (MD) | % | 87 | 154 |
| Elongation at Break (TD) | % | 102 | 176 |
| Heat Treatment | |||
| Heat Shrinkage (MD) | % | 1.59 | 1.2 |
| Heat Shrinkage (TD) | % | 0.76 | -0.05 |
| Optical Properties | |||
| Light Transmittance | % | 76.88 | 72.12 |
| Gloss @60° | — | 145 | 151 |
| Color Value (L) | — | 90.28 | 81.9 |
| Color Value (a) | — | -5.96 | -1.66 |
| Color Value (b) | — | 49.91 | 76.46 |
Golden Adhesive Tape Film - Technical Properties
Energy Storage Application Films
Energy Storage Application Films are formulated for battery manufacturing and designed to withstand the mechanical, electrical, and thermal stresses of cell assembly.
They provide stable insulation, consistent film quality, and reliable performance in lithium-ion batteries and other advanced energy storage systems.
Green Adhesive Tape Film
Green Adhesive Tape Films are high-performance base films engineered for precision applications in electronics, electrical insulation, and industrial tapes. These films combine excellent tensile strength, low heat shrinkage, and consistent optical clarity, providing reliable mechanical and thermal stability across demanding production environments.
- Used for terminal insulation and end wrapping in prismatic and cylindrical battery cells.
Key Properties:
- Uniform green color with smooth finish
- Excellent tensile and dielectric strength
- Dimensional stability under winding stress
Technical Specifications
| Item | Unit | Typical Value (6 µm) | Typical Value (12 µm) |
|---|---|---|---|
| Mechanical Property | |||
| Tensile Strength (MD) | Mpa | 192 | 249 |
| Tensile Strength (TD) | Mpa | 179 | 238 |
| Elongation at Break (MD) | % | 88 | 112 |
| Elongation at Break (TD) | % | 101 | 120 |
| Heat Treatment | |||
| Heat Shrinkage (MD) | % | 1.29 | 1.3 |
| Heat Shrinkage (TD) | % | 0.1 | -0.2 |
| Optical Property | |||
| Light Transmittance | % | 50.3 | 50.7 |
| Color Value (L) | — | 76.45 | 75.73 |
| Color Value (a) | — | -20.33 | -20.77 |
| Color Value (b) | — | 24.63 | 24.55 |
| Gloss @60° | — | 108 | 108 |
Green Adhesive Tape Films - Technical Properties
Blue Adhesive Tape Film
Blue Adhesive Tape Films are designed for industrial and electronic applications requiring reliable adhesion, strong tensile properties, and excellent heat resistance. Their stable optical characteristics and dimensional integrity make them ideal for protective layers, masking tapes, and high-performance electronic laminates.
- Ideal for surface insulation and protective finishing of aluminum battery casings.
Key Properties:
- Vibrant, stable blue chroma
- Strong adhesion compatibility
- High electrical insulation and surface protection
Technical Specifications
| Item | Unit | Typical Value (5 µm) | Typical Value (8 µm) | Typical Value (10 µm) |
|---|---|---|---|---|
| Mechanical Property | ||||
| Tensile Strength (MD) | Mpa | 170 | 180 | 193 |
| Tensile Strength (TD) | Mpa | 173 | 190 | 196 |
| Elongation at Break (MD) | % | 75 | 92.8 | 92.9 |
| Elongation at Break (TD) | % | 70 | 93.7 | 114 |
| Heat Treatment | ||||
| Heat Shrinkage (MD) | % | 2.5 | 1.41 | 1.27 |
| Heat Shrinkage (TD) | % | 0.4 | 0.02 | 0.08 |
| Optical Property | ||||
| Light Transmittance | % | 55.5 | 35.5 | 29.2 |
| Color Value (L) | — | 80.37 | 66.15 | 60.57 |
| Color Value (a) | — | -17.5 | -27.22 | -29.77 |
| Color Value (b) | — | -16.75 | -27.25 | -31.41 |
| Gloss @60° | — | 110 | 106 | 106 |
Blue Adhesive Tape Films - Technical Properties
Why Choose Terapec’s Advanced Functional Films for Electronics & Energy Systems?
Superior mechanical strength and low heat shrinkage for high-precision manufacturing
Exceptional surface quality and color stability across transparent, white, black, and metallic film options
Advanced insulation performance and reliable dielectric strength for battery applications
Outstanding processability for downstream coating, laminating, and slitting operations
Consistent thickness, uniformity, and globally aligned quality control standards
Broad application compatibility for electronics, batteries, and industrial adhesive tapes
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