Direct manufacturer supply for precision transformer core winding, electronic masking, mechanical damping, and EMI shielding.
An in-depth metallurgical and polymer analysis of biaxially oriented polyethylene terephthalate (BoPET) combined with cross-linked solvent acrylic chemistry.
Clear Mylar tape formulated with high-purity BoPET film offers exceptional dielectric breakdown values reaching >5.0 kV per single layer. This optical-grade dielectric barrier eliminates micro-arcing and partial electrical discharges in high-frequency SMPS switch-mode power supplies, compact inductors, and aerospace power routing harnesses.
Our custom thermal-cure acrylic systems maintain viscoelastic equilibrium between peel adhesion (up to 8 N/25mm) and shear holding strength. Even when subjected to mineral oil saturation, transformer varnishing, or thermal baking cycles up to Class B (130°C continuous), the adhesive boundary maintains bond fidelity without ghosting or residue migration.
Biaxial orientation delivers balanced molecular chain alignment across machine direction (MD) and transverse direction (TD). This delivers ultra-high tensile yield strength (>45 N/10mm), allowing high-tension robotic coil winding without elongation, edge-fraying, or dielectric thickness degradation in automated motor assembly lines.
Addressing international procurement bottlenecks in the post-pandemic supply chain: Lead times, resin allocation, and comparative baseline parameters.
| Performance Parameter | Standard Clear Mylar (PET-AC25) | High-Adhesion Industrial Grade | Flame Retardant UL94-V0 Mylar | Test Standard |
|---|---|---|---|---|
| Total Caliper (Thickness) | 0.055 mm ± 0.003 | 0.080 mm ± 0.004 | 0.060 mm ± 0.003 | ASTM D-1000 |
| Carrier Substrate | Clear Optical PET (25 μm) | Heavy-Gauge PET (50 μm) | FR-Treated PET Film | Internal Rheology |
| Adhesive Base | Cross-linked Solvent Acrylic | High-Tack Modified Acrylic | Halogen-Free Flame Retardant | Spectroscopy |
| 180° Peel Adhesion (to Steel) | ≥ 7.5 N / 25mm | ≥ 12.0 N / 25mm | ≥ 7.0 N / 25mm | PSTC-101 / ASTM D3330 |
| Tensile Strength | ≥ 95 N / 25mm | ≥ 180 N / 25mm | ≥ 110 N / 25mm | ASTM D-882 |
| Elongation at Break | 90% – 115% | 110% – 140% | 85% – 105% | ASTM D-882 |
| Breakdown Voltage (Dry) | 5,500 Volts | 7,200 Volts | 6,000 Volts | ASTM D-149 |
| Thermal Endurance Rating | Class B (130°C / 266°F) | Class B (130°C / 266°F) | Class B (130°C / 266°F) | UL 510 Recognized |
Bridging Chinese precision manufacturing hubs with multi-national quality audit expectations across Europe, the Americas, and APAC.
Every raw polyester polymer lot and solvent batch undergoes rigorous SGS laboratory screening. Zero presence of 10 restricted SVHC phthalates, PBDEs, and lead ensures uninhibited entry into European Union commercial borders.
Selected Clear Mylar tape formulations are recognized under UL 510 Category OANZ2/8 for flame retardance and electrical insulation, providing end-product manufacturers with streamlined final product certification.
Direct proximity to Shenzhen, Guangzhou, and Hong Kong container hubs provides sea freight lead times under 14 days to Southeast Asia and under 30 days to North American and European deep-water ports.
Custom OEM spooling from 2 mm slit width ribbons up to 1280 mm master logs. Multi-cavity flatbed and rotary die-cut capabilities support kiss-cut pads, pull-tab liners, and automated tape-dispenser reels.
From electric vehicle battery module arrays to medical biosensors, clear mylar tape serves as a critical dielectric barrier.
Applied as an interstitial dielectric barrier between lithium pouch cells and aluminum cooling cold plates. Clear Mylar tape prevents galvanic micro-corrosion and high-voltage flashovers while maintaining thermal dissipation efficiency through negligible film bulk.
Used for interlayer phase separation and final outer core wrapping. The optical clarity of the polyester film enables automatic optical inspection (AOI) systems to check wire tension, solder joints, and winding alignment without tape removal.
Acts as an edge-sealing gasket for backlight units (BLUs) and OLED screen ribbons. The optical-clarity acrylic adhesive resists yellowing under UV exposure, and low-outgassing properties eliminate lens haze in hermetically sealed camera modules.
Our Zhuhai & Zhongshan engineering labs will mill custom steel tooling within 48 hours. Receive customized prototypes with full dielectric testing validation.
Developing ultra-low outgassing formulas, post-consumer recycled substrates, and solventless coating methods.
By migrating to 30%+ chemically recycled Post-Consumer PET (PCR-PET) base films, our factory helps multi-national electronics brands lower Scope 3 carbon footprints without compromising tensile strength or UL94 flammability ratings.
Eliminating thermal solvent drying towers via 100% solids UV-cured polymer chemistry. This reduces manufacturing energy consumption by 42% while removing residual volatile outgassing compounds near sensitive optical sensors.
Integrating synthetic boron nitride and alumina nanoparticles into the clear acrylic matrix. This achieves thermal conductivity above 0.8 W/m·K while maintaining optical transparency and >4 kV dielectric isolation.
Key technical, mechanical, and logistical considerations for quality engineers and sourcing professionals.
Explore our full manufacturing program: double-sided acrylics, lithium battery termination, thermal sublimation polyimide, and EMI shielding foils.
