Direct manufacturer supply from our Zhuhai and Zhongshan dust-free production bases. Explore verified industrial solutions ready for global distribution.
While traditional polyimide tape possesses an amber translucent hue, modern high-density electronic fabrication necessitates optical reflectance, bar-code print readability, and localized thermal management.
White Kapton tape achieves an optical reflectance exceeding 88% in the visible spectrum. By blending nano-titania (TiO2) and ceramic fillers into the polyimide resin matrix or surface coating, the carrier actively reflects IR radiative heat, mitigating hot-spot build-up in concentrated LED bar assemblies and aerospace thermal blankets.
Total Reflectance: >88%Standard amber films suffer from low optical contrast when laser-marked or printed via thermal transfer ribbons. White Kapton tape provides an ultra-matte, high-opacity base engineered to absorb resin-based inks, sustaining 2D DataMatrix scans through wave soldering fluxes, vapor degreasers, and harsh wash cycles.
Automated AOI Scanning CompliantCoated with clean-room-synthesized crosslinked polysiloxane adhesive, our wholesale white polyimide film maintains reliable peel adhesion at 260°C continuous temperatures (with spikes to 300°C). It guarantees zero silicone ghosting, pinholing, or gummy residues on gold-plated PCB fingers during thermal processing.
Continuous Class H/N Thermal Class| Physical & Electrical Metric | White Kapton (Polyimide) Tape | Standard Amber Polyimide Tape | Testing Standard Methodology |
|---|---|---|---|
| Base Film Thickness | 25 µm (1.0 mil) / 50 µm (2.0 mil) | 25 µm (1.0 mil) / 50 µm (2.0 mil) | ASTM D-374 / ISO 4593 |
| Total Tape Thickness | 65 µm ± 3 µm | 60 µm ± 3 µm | ASTM D-3652 |
| Dielectric Breakdown Voltage | 6,500 Volts (6.5 kV) | 7,000 Volts (7.0 kV) | ASTM D-149 / IEC 60243 |
| Operating Temperature Range | -73°C to +260°C (300°C Peak) | -73°C to +260°C (350°C Short-term) | UL 510 Thermal Index |
| Adhesion to Stainless Steel | 6.0 - 7.5 N / 25mm | 5.5 - 7.0 N / 25mm | PSTC-101 / ASTM D-3330 |
| Surface Resistivity (ESD Grade) | 10^6 - 10^9 Ω/sq (Optional) | 10^9 - 10^11 Ω/sq (Optional) | ASTM D-257 / ESD S11.11 |
| Optical Diffuse Reflectance | 88.5% @ 550nm | < 15% (Translucent Amber) | ASTM E-903 Spectrophotometry |
| Flammability Rating | UL94 V-0 Self-extinguishing | UL94 V-0 Self-extinguishing | UL 94 Vertical Burning Test |
Zhuhai Huayuan Electronics Co., Ltd. exploits upstream chemical formulation synergies in Guangdong to deliver tier-one quality at disruptive factory-direct wholesale pricing.
Our proximity to domestic fine-chemical hubs ensures immediate access to high-purity diamines, dianhydrides, and siloxane oligomers. We formulate custom adhesive batches in-house, significantly insulating overseas clients from raw polymer price shocks.
End-to-End Vertical ControlEquipped with computerized high-speed rotary slitters, our dust-free workshops slit master jumbo rolls (500mm-1040mm) into precision widths down to 2mm with a tight tolerance of ±0.2mm, preventing edge burrs, telescoping, and uneven unwind tensions.
Tolerances Down to ±0.2mmWe supply white polyimide tapes in master logs, slit consumer rolls, or kiss-cut pre-formed stamps on transparent PET release liners. In-house CNC rotary tooling facilitates low-cost prototyping and rapid production scaling within 72 hours.
Rapid Prototyping: 72 HoursOperating dual facilities in Nanping Hi-Tech Park (Zhuhai) and Tanzhou Town (Zhongshan), integrated with Huayuan International Technology (HK), we offer streamlined FOB Hong Kong, CIF, and DDP shipping via bonded freight corridors.
HK Hub Air & Ocean AccessProcuring white Kapton tape on a global scale demands stringent balance across total cost of ownership (TCO), multi-tier auditing, and dynamic inventory stability.
Tier-1 branded specialty polyimides command excessive brand premiums. Huayuan provides direct chemical drop-in equivalence for global brand part numbers, delivering 25% to 45% reduction in recurring material expenditure while preserving identical physical and mechanical specs.
25% - 45% Cost AmortizationFor large-scale international converters possessing in-house slitting and die-cutting lines, Huayuan exports uncut master jumbo rolls (up to 1040mm x 2000m) protected by humidity-barrier vacuum foil packaging, minimizing trans-ocean freight volumetric weight.
Master Jumbos or Slit RollsWe protect our long-term Tier-1 automotive and semiconductor assembly partners from lead-time volatility through vendor-managed inventory (VMI) arrangements, holding reserved master jumbo stocks in our bonded warehousing facilities.
Guaranteed Factory Buffer ReservesHow leading electronic manufacturers deploy white polyimide tapes across rigorous thermal, electrical, and optical operational matrices.
Used to wrap prismatic and cylindrical lithium-ion cells in high-power electric vehicle battery modules. The bright white coloration simplifies automated optical inspection (AOI) positioning while providing dielectric insulation breakdown ratings above 6,000 Volts.
UL94 V-0 Battery Pack BarrierHigh-density PCBA surface mount lines require tracking labels that withstand 260°C peak lead-free reflow profile ovens without browning, curling, or off-gassing, guaranteeing 100% first-pass 2D code readability across lifetime service.
Thermal Transfer Ink RetentiveIn low-Earth-orbit satellites and aerospace avionics, white Kapton tape secures external thermal control blankets, minimizing solar radiation absorption while enduring solar ultraviolet radiation and cryogenic temperature cycles without adhesive embrittlement.
Low Outgassing / Space CompliantEvery shipment from Huayuan is backed by comprehensive material test reports, internationally audited quality frameworks, and localized export compliance.
Every finished master roll is cataloged with an unalterable production batch identifier tied to incoming resin synthesis, coating thickness logs, and slitting dates.
Independent third-party laboratory verification (SGS / CTI) certifies total compliance with EU 2015/863 amendments, safeguarding OEMs against hazardous compound bans.
Fluent bilingual polymer engineers provide live technical qualification meetings, customized slitting consultations, and comprehensive TDS/MSDS packs within 24 hours.
Pressure-sensitive silicone adhesive systems demand protective controls during maritime container transit across equatorial humidity corridors:
Fumigated Export Pallets + PE Plastic Shrink Protection
Desiccant-Charged Vacuum Foil Wrapping for Slit Edges
Suspended Core Packaging for Slit Logs to Prevent Core Crush
Ships directly out of Zhuhai Port, Shenzhen Port, or via bonded transit through Huayuan International Technology (Hong Kong).
Emerging applications in artificial intelligence hardware, wide-bandgap semiconductors (SiC/GaN), and circular green manufacturing dictate tape evolution.
Next-gen AI server accelerators and high-power GaN fast chargers require dielectric tapes that insulate electrically while expediting heat dissipation. Formulations integrating boron nitride (BN) nano-platelets are achieving thermal conductivities beyond 1.2 W/m·K.
Active Heat DissipationAs microchip gate oxides shrink below 3nm, static discharge events during tape unwinding and peeling can instantly rupture silicon gates. Advanced white polyimide tapes now incorporate anti-static surface treatments keeping unwind charges under 50 Volts.
Zero Voltage Spike UnwindGlobal electronics brands are demanding strict carbon footprint reductions. Huayuan is expanding hot-melt silicone coating and 100% solvent recovery systems, eliminating VOC emissions and exceeding international environmental sustainability benchmarks.
Low-Carbon Footprint ProductionTechnical clarity for international sourcing directors, chemical engineers, and process quality managers.
While both utilize high-temperature aromatic polyimide film, White Kapton tape incorporates titanium dioxide/ceramic pigments or specialized white top-coatings. This grants white tape high optical reflectance (>88%), opacity for automated optical scanning, and optimal contrast for barcode laser-marking, whereas amber tape is translucent with low optical contrast.
Yes. Coated with specialized crosslinked silicone adhesives, our white polyimide tape withstands continuous exposure up to 260°C and short-term thermal spikes reaching 300°C. It maintains dimensional stability without shrinking, bubbling, or releasing adhesive ghosting upon post-process stripping.
Our precision automated slitters handle widths from 2.0 mm up to 1,000 mm with an industry-leading tolerance of ±0.2 mm. For rotary die-cut components (such as pre-cut SMT masking discs or custom battery tab insulators), we support kiss-cut tolerances within ±0.1 mm based on customer CAD drawings.
Since 2007, Huayuan has delivered extensive OEM/ODM solutions. We supply custom branded core labels, private-label barcode packaging, customized plastic/paper release liners, and export master cartons designed precisely to our clients' corporate specifications.
Standard slit-roll production orders typically ship within 5 to 9 business days. For specialized custom slit widths or custom die-cut tooling, initial prototyping samples are dispatched within 48 to 72 hours via international express.
Yes. We encourage technical qualification before full-scale purchasing. Contact our engineering desk with your specified substrate, operating temperature, and roll width, and we will prepare and dispatch sample rolls accompanied by complete TDS and SDS documentation.
Continuous production runs certified under ISO 9001, RoHS, and UL international standards. Direct factory delivery worldwide.
