Direct sourcing from certified Pearl River Delta cleanroom coating workshops. Slit to precision widths, available in standard log rolls and custom die-cuts.
Polyimide (PI) silicone tape combines biaxially oriented aromatic polyimide film with high-crosslink polymethylsiloxane (silicone) adhesive to withstand critical thermal and mechanical stress.
| Performance Indicator | Polyimide Silicone (Standard) | Low Static / ESD PI Tape | Testing Standard (ASTM / IEC) |
|---|---|---|---|
| Base Film Thickness | 0.025 mm (1.0 mil) / 0.050 mm (2.0 mil) | 0.025 mm (1.0 mil) | ASTM D-3652 |
| Total Caliper (Film + Adhesive) | 0.060 mm ± 0.005 mm | 0.065 mm ± 0.005 mm | ASTM D-3652 |
| Thermal Endurance (Continuous) | -40°C to +260°C (-40°F to 500°F) | -40°C to +260°C | UL 510 Flame Test / IEC 60216 |
| Peak Temperature (30-60s) | 300°C (572°F) Peak Wave Solder | 300°C (572°F) | SMT Profiler Simulated Reflow |
| Dielectric Breakdown Voltage | ≥ 6.5 kV (6500V) | ≥ 6.0 kV (6000V) | ASTM D-149 / IEC 60243 |
| 180° Peel Adhesion (to Steel) | 5.5 to 7.0 N / 25mm | 4.5 to 6.5 N / 25mm | ASTM D-3330 |
| Surface Resistivity (ESD Type) | N/A (Standard Insulator > 10¹² Ω) | 10⁶ - 10⁹ Ω/sq | ASTM D-257 |
| Adhesive Residue After Stripping | Zero visual ghosting / Zero siloxane haze | Zero visual ghosting | Post-Bake Inspection @ 260°C/5min |
How polyimide silicone tapes address mission-critical manufacturing challenges across regional automotive, semiconductor, and power transmission clusters.
Tier-1 automotive battery plants throughout Michigan, Ohio, and Ontario utilize flame-retardant polyimide silicone tapes to wrap cylindrical 4680 battery cells and prismatic modules. The thermal endurance prevents runaway propagation, while chemical inertness resists aggressive liquid electrolyte leakage over 15-year lifecycle duty cycles.
German, Nordic, and Spanish manufacturers of photovoltaic string inverters, wind turbine generators, and high-voltage DC transformers leverage Huayuan's Class H polyimide insulation. High shear strength prevents inner-layer short-circuiting under extreme magnetic field vibration and severe temperature swings between -30°C and 180°C.
High-density EMS hubs in Taiwan, South Korea, and Vietnam deploy ESD-treated polyimide silicone tapes during SMT reflow and automated wave soldering. Its low-peel electrostatic voltage (<50V) eliminates electrostatic discharge damage to ultra-sensitive 3nm/5nm logic gates and flash memory micro-arrays.
Combining dual Pearl River Delta manufacturing bases with closed-loop raw material procurement gives global procurement managers complete supply chain security.
Operating dual automated factories across Zhuhai and Zhongshan protects tier-1 buyers against local production disruptions, ensuring uninterrupted production cycles.
Precision coating lines run in positive-pressure, HEPA-filtered cleanrooms to avoid airborne particulate contamination that causes pinholes and dielectric breakdown.
Direct synthesis and blending of special silicone resins guarantees steady crosslink density, repeatable peel profiles, and absence of low-molecular-weight siloxane ghosting.
Imported automatic slitters deliver tight dimensional tolerance (±0.2mm) down to 2mm widths, wound on anti-static plastic or aluminum cores for automatic pick-and-place lines.
Global procurement teams face escalating lead times, allocation quotas, and margin pressures from legacy brands like 3M (e.g., 5413, 7413, 69) and Nitto. Direct-from-factory sourcing provides equivalent performance, reliable availability, and transparent costing.
While Western multi-national tier brands average 12-20 weeks delivery on specialty polyimide products, Huayuan delivers custom slit widths and standard master logs in 5-10 business days via direct air/ocean freight corridors.
Bypassing multi-tier distribution networks and brand markups gives OEMs and rotary converters substantial margin expansion without sacrificing UL flammability (94V-0) or peel adhesion reliability.
We provide full Level 3 PPAP documentation, IMDS submissions, and ASTM verification reports, enabling frictionless drop-in qualification for automotive, military, and industrial programs.
As electronic systems shrink, voltages rise in 800V/1200V silicon carbide (SiC) platforms, and green mandates intensify, Huayuan's adhesive laboratories are pioneering next-generation dielectric solutions.
Engineered boron nitride and aluminum nitride nanoparticle crosslinking inside the polyimide matrix pushes bulk thermal conductivity above 0.8 W/m·K while maintaining breakdown voltages above 7 kV, eliminating heat hotspots in GaN fast-charging bricks.
Pioneering ultraviolet (UV) moisture dual-cure silicone release coatings eliminates organic solvent emissions in manufacturing, fulfilling upcoming EU Green Deal directives while lowering thermal cure shrinkage across delicate foils.
Developing ultra-thin half-mil polyimide backings coated with micro-thin 10µm silicone layers allows dense, high-frequency 5G/6G RF antenna arrays to fold tighter without delamination or signal loss.
We combine Pearl River Delta production strength with our Hong Kong corporate gateway, giving global procurement partners smooth customs processing, clear multi-currency settlements, and validated regulatory compliance.
Every polyimide silicone tape formulation undergoes third-party SGS laboratory testing to ensure zero presence of restricted phthalates, heavy metals, PFOA/PFAS, or SVHC substances.
Total chlorine (Cl) < 900 ppm, bromine (Br) < 900 ppm, total halogens < 1500 ppm, preventing corrosive outgassing that could etch delicate PCB copper traces during high-heat operation.
Invoicing via Huayuan International Technology (Hong Kong) provides international banking flexibility, USD/EUR payment settlement, and streamlined export documentation.
Supporting automotive Tier-1 suppliers with comprehensive International Material Data System (IMDS) entries, material test certificates, and full Lot Traceability tracking records.
Engineering and purchasing insights for qualifying Huayuan adhesive solutions.
Polyimide Silicone tape uses a polymethylsiloxane adhesive system suited for extreme operating temperatures (-40°C to +260°C continuous, 300°C peak). It strips cleanly from gold fingers, ceramics, and metals without leaving adhesive residue. Polyimide Acrylic tape provides stronger initial adhesion and higher resistance to certain aromatic solvents, but is limited to lower continuous operating temperatures (typically up to 155°C).
Adhesive residue, or "ghosting," is typically caused by unreacted silicone monomers or insufficient primer bonding. Huayuan treats the polyimide film with inline corona discharge and a proprietary organosilane anchor primer. We then cure our high-purity silicone adhesive across multi-zone drying ovens to ensure complete cross-linking, preventing chemical migration to gold or copper pads.
Yes. Since expanding our precision die-cutting lines in 2013, we supply polyimide discs, custom geometric frame masks, kiss-cut sheets, and pull-tab preforms on PET fluorosilicone release liners. Custom shapes are converted with tolerances down to ±0.1mm, ready for automatic surface-mount and pick-and-place lines.
Sample requests for standard electrical and polyimide silicone grades are dispatched within 24 to 48 hours with complete TDS and batch COA documents. For production orders requiring custom slit widths (from 2mm to 1000mm master logs), our typical factory lead time is 5 to 7 working days, supported by rapid export shipping via Hong Kong and Shenzhen hubs.
Explore our complete catalog of high-durability fiberglass, Mylar insulating, and double-sided structural adhesives.
