Direct supply from high-capacity coating facilities engineered for industrial, dielectric, and structural electronics adhesion.
A comprehensive architectural breakdown of polyethylene terephthalate (PET/Mylar) composite foils engineered for high-frequency isolation and rigorous electromagnetic barriers.
Utilizing high-tensile biaxially-oriented polyester film laminated to precision-rolled aluminum or copper foil. This architecture delivers exceptional tensile modulus, puncture resistance, and near-zero pinhole density, providing continuous dielectric isolation combined with high reflection shielding against electromagnetic field interference.
Formulated with specialized flame-retardant acrylic and thermally stable silicone polymer systems. Coating profiles are micro-adjusted to eliminate VOC off-gassing while resisting plasticizer migration, solvents, transformer mineral oils, and electrolytic fluids across continuous thermal operating envelopes from Class B (130°C) to Class H (180°C).
By coupling metal foil conductivity with the high dielectric constant of Mylar, our laminates achieve attenuation ratings greater than 80 dB between 10 MHz and 18 GHz. This structural synthesis attenuates both electrostatic radiation and electromagnetic cross-talk in modern compact power electronics and automotive wire harnesses.
| Performance Characteristic | PET / Mylar Base Film | Aluminum Foil Laminated | Copper Foil Laminated | Testing Standard Reference |
|---|---|---|---|---|
| Dielectric Breakdown Voltage | 5.5 kV – 7.0 kV | 4.0 kV – 5.5 kV | 3.5 kV – 5.0 kV | ASTM D149 / IEC 60243 |
| Shielding Effectiveness (100MHz - 1GHz) | N/A (Dielectric Only) | 65 dB – 85 dB | 75 dB – 95 dB | ASTM D4935 |
| Continuous Thermal Rating | 130°C (Class B) | 130°C – 155°C (Class F) | 155°C – 180°C (Class H) | UL 510 / UL 746B |
| Tensile Strength at Break | ≥ 45 N/10mm | ≥ 65 N/10mm | ≥ 75 N/10mm | ASTM D3759 |
| Adhesion to Steel (180° Peel) | 8.0 N/25mm | 9.5 N/25mm | 10.5 N/25mm | PSTC-101 / ASTM D3330 |
Mapping high-reliability supply chains across North America, Europe, and Asia-Pacific within clean tech, automotive electrification, and micro-power architectures.
Electrification drives strict demands for fire-retardant (UL94 V-0) PET foil tapes. Tier-1 manufacturers require stable phase insulation between prismatic cells and continuous EMI isolation for high-voltage busbars operating under aggressive thermal cycling.
Solar and wind inverter topologies utilize planar transformers and high-frequency inductors requiring thin-profile Mylar foil barriers that can withstand high voltage spikes without tracking or dielectric breakdown.
Micro-base stations and AI compute clusters produce intense parasitic electromagnetic emissions. Metallized Mylar foil tapes allow space-constrained cable shielding and module containment without adding significant mechanical mass.
Avionics harness bundling calls for zero halogen emission, exceptional solvent resistance, and minimal outgassing profile under high vacuum, adhering directly to NASA and ESA vacuum-stability protocols.
Bridging substrate chemical engineering with automated precision die-cutting and global OEM production pipelines.
In modern SMPS (Switched-Mode Power Supplies), interlayer capacitance and cross-winding coupling cause high common-mode noise. Huayuan’s Mylar aluminum composite tapes function as Faraday cages within core windings, damping electrical noise, lowering acoustic hiss, and maintaining safety clearances defined by IEC 62368-1.
Reinforced Mylar foil variations offer absolute vapor transmission barriers (WVTR approaching 0.01 g/m²/24h). These solutions provide lifelong sealing of duct seams, chilled beam pipes, and industrial thermal jackets without embrittlement or moisture ingress.
Supplying the microelectronics sector with flexible laminated ground planes. Our ultra-thin Mylar copper composites endure continuous micro-bending cycles within mobile telecommunications, laptop hinges, and automotive lidar units with zero delamination.
Operated by Zhuhai Huayuan Electronics Co., Ltd. across Zhuhai and Zhongshan facilities, ensuring verified batch repeatability.
Our reverse-gravure and micro-comma coating heads are housed in strictly controlled ISO Class 7/Class 8 environments, preventing foreign particulate contamination from causing pinholes in dielectric barrier films.
Selected insulation grades carry UL recognized component status (File E-series compliance), satisfying UL 510 flame retardancy metrics and ASTM D1000 dielectric standards.
Every raw material batch of carrier film, metal foil, and solvent-free adhesive undergoes rigorous mass spectrometry testing to verify zero concentrations of SVHCs, halogenates, and heavy metals.
Huayuan International Technology (Hong Kong) provides international logistics coordination, localized port clearances, multimodal CIF/DDP handling, and rapid engineering consultations within 24 hours.
Strategic R&D initiatives aimed at supporting next-generation semiconductor topologies and circular manufacturing ecosystems.
The transition toward SiC and GaN switching platforms introduces higher dv/dt switching slopes and severe hot-spot concentrations. Our laboratory is finalizing composite Mylar foil formulations infused with boron nitride nanoparticles to achieve thermal conductivity ratings beyond 2.0 W/m·K alongside 8 kV dielectric isolation.
In accordance with global circular economy policies (such as EU WEEE updates), our next-generation acrylic adhesive polymers integrate controlled thermal de-crosslinking systems, enabling quick, clean separation of copper/aluminum foils from plastic housing during electronic recycling.
Targeting wearable biosensors and ultra-dense foldable screens, we are deploying advanced electron-beam curing processes that decrease total laminate profiles below 12 micrometers while keeping shield continuity and tensile handling intact.
Addressing engineering specifications, customization capabilities, and manufacturing standards for procurement teams.
Pure aluminum foil tape is fully conductive across its entire cross-section and can tear easily under high tension. Mylar foil tape incorporates a biaxially-oriented polyester (PET) backing film that provides high mechanical tensile strength, puncture resistance, and an electrical dielectric barrier, ensuring that external circuits cannot short against the foil layer.
We deploy precise thermocurable crosslinking agents within our acrylic adhesives. Once fully cured in our cleanroom drying towers, the adhesive matrix develops a high shear-modulus that resists softening or dissolving, even when submerged in hot transformer oil or exposed to thermal cycles up to 130°C.
Yes. Our precision slitting facilities can convert master rolls into narrow widths down to 2 mm with tight tolerances (±0.1 mm). Our cleanroom rotary and flatbed die-cutting equipment can deliver tape as pre-cut gaskets, kiss-cut tabs, and shapes with clear pull tabs on high-performance PET liners.
We support engineering qualification by offering free sample reels along with complete Technical Data Sheets (TDS), safety documentation (SDS), and batch test reports verifying peel adhesion, dielectric strength, and RoHS/REACH compliance. Requests are processed by our sales engineering team within 24 hours.
Reliable double-sided, foam, fabric, and thermal adhesive tapes for industrial mounting and electronics manufacturing.
