ISO 9001 Certified Factory · Global OEM / ODM Solutions

Wholesale Polyimide Insulation Tape Suppliers & Manufacturer

Pioneering high-temperature electrical dielectric solutions, precision silicone coating formulations, and high-frequency thermal barrier films engineered for aerospace, EV battery assemblies, and semiconductor fabrication.

Direct-From-Manufacturer Inventory

High-Performance Electrical & Thermal Insulation Product Line

Explore our export-ready high-temperature polyimide masking, industrial double-sided, and specialized electrical tapes produced in our dust-free facility.

China Heat Resistant Sublimation Thermal Tape - Polyimide Tape for PCB by China Suppliers and Factory Manufacturers, Factory
China Heat Resistant Sublimation Thermal Tape - Polyimide Tape for PCB by China Suppliers and Factory Manufacturers, Factory
View Product TDS
China Heat Resistant Sublimation Thermal Tape - Polyimide Tape for PCB | China Suppliers & Factory Manufacturers, Manufacturer
China Heat Resistant Sublimation Thermal Tape - Polyimide Tape for PCB | China Suppliers & Factory Manufacturers, Manufacturer
View Product TDS
Wholesale Hot Melt Double-Sided Tape Oily Water-Based Glue Double-Sided Tape Factories, Factory
Wholesale Hot Melt Double-Sided Tape Oily Water-Based Glue Double-Sided Tape Factories, Factory
View Product TDS
Wholesale Hot Melt Double-Sided Tape from China - Quality Suppliers & Factory for Oily Water-Based Adhesive Solutions Manufacturer, Factories
Wholesale Hot Melt Double-Sided Tape from China - Quality Suppliers & Factory for Oily Water-Based Adhesive Solutions Manufacturer, Factories
View Product TDS
Wholesale Glass Cloth Tape Substitute for 3M 69 Tape - High Heat Resistance from China Suppliers and Factory Supplier, Manufacturer
Wholesale Glass Cloth Tape Substitute for 3M 69 Tape - High Heat Resistance from China Suppliers and Factory Supplier, Manufacturer
View Product TDS
China High Temperature Tape - Green Polyester Silicone Tape from China Suppliers and Factory for Electroplating and Coating Supplier, Factory
China High Temperature Tape - Green Polyester Silicone Tape from China Suppliers and Factory for Electroplating and Coating Supplier, Factory
View Product TDS
Wholesale High Temperature Green Polyester Silicone Tape - China Suppliers & Factory for Electroplating and Powder Coating Supplier, Factories
Wholesale High Temperature Green Polyester Silicone Tape - China Suppliers & Factory for Electroplating and Powder Coating Supplier, Factories
View Product TDS
China Heat Resistant Sublimation Thermal Tape Polyimide Tape for PCB - China Factory Suppliers, High Voltage Insulation Supplier, Factory
China Heat Resistant Sublimation Thermal Tape Polyimide Tape for PCB - China Factory Suppliers, High Voltage Insulation Supplier, Factory
View Product TDS
260°C Continuous Peak Thermal Rating
>6.5 kV Dielectric Breakdown Voltage
<0.05% Volatile Condensable Material
Class H UL 94V-0 Flame Retardancy
Technical Engineering Authority

Material Science & Chemical Structure of Polyimide Tape

Polyimide (PI) film tapes, commonly referred to within industrial engineering disciplines as Kapton tape substitutes, are synthesized by polycondensation of aromatic dianhydrides and aromatic diamines. The recurring imide ring imparts unmatched thermal stability, chemical inertness, and dielectric resistance across extreme temperature ranges (-269°C to +400°C short excursion).

Thermal & Dielectric Performance

Engineered to maintain physical and electrical integrity under rigorous soldering profiles and high-voltage stress environments.

  • Dielectric Strength: Up to 7,500V/mil preventing electrical arc discharge in compact architectures.
  • Thermal Endurance: 260°C continuous operation; 300°C for short-term thermal cycles without degradation.
  • Low Shrinkage Factor: Under 0.25% dimensional variance after 200°C exposure for 2 hours.

Advanced Adhesive Formulations

We synthesize custom cross-linked organosilicone and high-performance thermosetting acrylic pressure-sensitive adhesives (PSA).

  • Residue-Free Removal: High cross-linking ensures clean peel after wave solder and reflow ovens.
  • Controlled Peel Adhesion: Customizable tack profile from 4.5 N/25mm up to 8.0 N/25mm.
  • Chemical Resistance: Resistant to solvents, acids, flux chemistry, and aggressive cleaning fluids.

Static Dissipative (ESD) Integration

Specialized conductive surface treatment applied to prevent catastrophic electrostatic discharge in sensitive IC microelectronics.

  • Surface Resistivity: Tuned between 10^6 and 10^9 Ohms/sq for controlled triboelectric decay.
  • Unwind Voltage: < 50 Volts during rapid automated unwinding and dispensing processes.
  • No Heavy Metals: RoHS and REACH-compliant ESD matrix avoiding ionic contamination.
Performance Metric / Test Parameter Standard Silicone PI Tape Anti-Static (ESD) PI Tape Double-Sided PI Tape Flame Retardant PI Tape
Base Film Thickness (µm) 25 µm (1.0 mil) 25 µm (1.0 mil) 25 µm (1.0 mil) 50 µm (2.0 mil)
Total Caliper (µm) 60 ± 5 µm 65 ± 5 µm 90 ± 5 µm 85 ± 5 µm
Operating Temperature Range -40°C to +260°C -40°C to +260°C -40°C to +200°C -50°C to +280°C
Breakdown Voltage (ASTM D149) > 6,000 V > 5,500 V > 7,000 V > 8,500 V
Peel Adhesion to Steel (N/25mm) 5.5 – 7.0 4.5 – 6.5 6.0 / 6.0 5.0 – 6.5
Flame Retardancy Rating UL 94V-0 UL 94V-0 UL 94V-0 UL 94VTM-0
Strategic Sourcing & Manufacturing

China Factory Supply Chain Advantages for Global Procurement

Zhuhai Huayuan Electronics Co., Ltd. integrates raw chemical polymer synthesis, cleanroom coating lines, and computerized precision slitting in the Greater Bay Area industrial hub.

Vertical Upstream Integration

Direct partnerships with domestic polyimide resin manufacturers ensure prioritized base-film allocation and minimized raw material price volatility, shielding our overseas clients from erratic global commodity shifts.

  • Uninterrupted baseline inventory of 12.5µm, 25µm, 50µm, and 75µm PI master rolls.
  • In-house adhesive compounding tailored to customer peel-force requirements.
  • Class 1,000 dust-free thermal curing and reverse-roll coating lines.

Die-Cutting & Slitting Precision

Eliminate converter markups through direct factory converting. We operate high-speed automated rotary slitting systems and cleanroom flatbed die-cutting units.

  • Custom slitting tolerance: ±0.15 mm width precision down to 2 mm micro-slit rolls.
  • Laser-cut custom geometrical geometries, tabs, and release-liner kiss-cuts.
  • Custom core diameters: 1-inch, 3-inch, and plastic dust-free semiconductor cores.

Strict Quality Verification (ISO 9001)

Every log roll undergoes rigorous multi-point validation to ensure that tensile properties, coat weight consistency, and peel forces match the initial engineering samples.

  • 100% optical inline surface inspection detecting fish-eyes, pinholes, and gels.
  • Holding power and static shear testing at 200°C chamber conditions.
  • Complete batch traceability with full retention samples stored for 24 months.
Enterprise Procurement Solutions

Global Enterprise Requirements, Compliance & Localized Support

Enterprise procurement teams across North America, the European Union, and Southeast Asia demand complete regulatory compliance, stable audit trails, and uninterrupted shipping.

Global Environmental Compliance

Huayuan tape products are systematically tested and audited by third-party laboratories (SGS / Intertek) to ensure friction-free cross-border customs clearance.

  • RoHS & REACH SVHC: Certified free of lead, cadmium, mercury, PBBs, PBDEs, and phthalates.
  • Halogen-Free Matrix: Meets IEC 61249-2-21 standards (Cl < 900ppm, Br < 900ppm).
  • Low Outgassing: NASA SP-R-0022A tested for aerospace and clean vacuum deposition chambers.

Export Logistics & Hong Kong Hub

Leveraging our international settlement hub, Huayuan International Technology (Hong Kong) Co., Ltd., we offer multi-currency billing and agile trade terms.

  • Flexible Incoterms: FOB Shenzhen/Hong Kong, CIF, DDP direct to your manufacturing plant.
  • Customs documentation: Certificates of Origin (CO, Form E, Form F), commercial invoices, SDS.
  • Reinforced export moisture-barrier packaging with vacuum desiccant preservation.

Application Engineering Support

Our bilingual materials engineers interface directly with your design and quality departments to review surface energy, temperature profiles, and peel parameters.

  • Rapid prototyping: Free lab sample rolls provided within 24 to 48 hours.
  • Failure mode analysis: Helping converters eliminate adhesive transfer and edge lifting.
  • Audit support: Factory video tours, QA audits, and change notification (PCN) agreements.
Market Trends & Integration

Emerging Industry Trends & Real-World Application Scenarios

The rapid expansion of electric vehicle (EV) battery systems, 5G telecommunication hardware, and miniaturized consumer electronics is driving new functional demands for polyimide tapes.

EV Lithium Battery Systems

Applied to cylindrical and prismatic lithium-ion battery tab wrapping, busbar thermal barrier protection, and cell pack inter-layer dielectric isolation.

SMT & Wave Solder Masking

Protects gold fingers, edge connectors, and sensitive SMD components during automated reflow soldering, leave-behind zero silicone residue.

Aerospace Thermal Blankets

Used for bonding thermal insulation blankets, sensor wire harnessing, and composite aerostructure cure cycles operating under high vacuum and thermal stress.

Class H Transformer Motors

Acts as slot liners, phase insulation, and outer wrapping for high-temperature variable-frequency drive motors, generators, and inductive coils.

Technical FAQs

Frequently Asked Questions on Polyimide Tape Procurement

Clear, direct technical answers addressing carrier selection, adhesive systems, residue prevention, and international manufacturing minimums.

What is the difference between silicone and acrylic adhesives on polyimide tape?

Silicone adhesives offer maximum heat resistance (up to 260°C continuous, 300°C short peak) and peel cleanly from printed circuit boards without residue. Acrylic adhesives operate up to 155°C–180°C, offer superior solvent and oil resistance, higher initial room-temperature tack, and prevent trace silicone cross-contamination in silicone-sensitive optical or semiconductor bonding applications.

How does your factory prevent adhesive ghosting or residue on gold fingers?

Adhesive residue is typically caused by incomplete chemical curing or degradation under prolonged reflow temperatures. At Huayuan, we use automated multi-stage hot-air flotation drying ovens to ensure 100% molecular cross-linking of the organosilicone polymers. Each master batch is verified through a 260°C / 5-minute solder pot immersion test to confirm zero ghosting.

Can you provide custom widths, log rolls, and die-cut shapes?

Yes. As a primary manufacturer, we supply 500mm and 1000mm master log rolls directly to converters, or slit rolls to custom widths from 2mm to 1000mm with ±0.15mm tolerance. Our cleanroom die-cutting department produces custom stamped shapes, kiss-cut circles, and pull-tab geometries on extended release liners for automated assembly lines.

What is the typical shelf life and recommended storage conditions?

When stored in original packaging at 20°C–25°C (68°F–77°F) and 40%–60% relative humidity, Huayuan polyimide tape retains certified adhesion and dielectric specifications for 18 to 24 months. Master rolls are shrink-wrapped in protective foil and stored away from direct UV light to preserve baseline properties.

Are Huayuan tapes direct drop-in replacements for 3M 5413 or 3M 69?

Yes. Our HY-PI25S series matches the physical, thermal, and dielectric benchmarks of 3M 5413 amber polyimide tape at a significant unit cost advantage. Similarly, our industrial glass cloth series serves as an established equivalent to 3M 69 tape for high-heat transformer and motor coil applications.

What is your lead time and Minimum Order Quantity (MOQ) for export?

Standard slit roll dimensions are maintained in continuous warehouse stock with 3 to 5 business day dispatch. Custom slitting and die-cut runs typically require 7 to 10 days. As a direct factory, we support low trial MOQs for initial qualification, scaling smoothly to full 20ft/40ft ocean container shipments.

Complete Wholesale Catalog

High-Bonding & Industrial Specialty Tape Catalog

Explore our structural bonding, acrylic foam, PET carrier, and heat-resistant masking tapes for heavy-duty industrial assembly.

Wholesale China Suppliers Heat Resistant Sublimation Thermal Tape – Polyimide Tape for PCB from Factory Supplier, Manufacturer
Wholesale China Suppliers Heat Resistant Sublimation Thermal Tape – Polyimide Tape for PCB from Factory Supplier, Manufacturer
View Product TDS
Wholesale High Viscosity VHB Double-Sided Tape from China Suppliers and Factory for Durable Adhesion and Moisture Resistance Manufacturers, Manufacturer
Wholesale High Viscosity VHB Double-Sided Tape from China Suppliers and Factory for Durable Adhesion and Moisture Resistance Manufacturers, Manufacturer
View Product TDS
Wholesale China PET Double-Sided Tape Suppliers - Flexible Carrier Adhesive for Mobile Phones, Cameras, and Hard Materials Factory Supplier, Factories
Wholesale China PET Double-Sided Tape Suppliers - Flexible Carrier Adhesive for Mobile Phones, Cameras, and Hard Materials Factory Supplier, Factories
View Product TDS
China China Silicone Nano Adhesive Tape - Waterproof Acrylic Double-Sided Tape from Trusted Suppliers & Factory Supplier, Factories
China China Silicone Nano Adhesive Tape - Waterproof Acrylic Double-Sided Tape from Trusted Suppliers & Factory Supplier, Factories
View Product TDS
Wholesale High-Temperature Green Polyester Heat Silicone Tape - China Suppliers and Factory for Electroplating & Coating Manufacturers, Suppliers
Wholesale High-Temperature Green Polyester Heat Silicone Tape - China Suppliers and Factory for Electroplating & Coating Manufacturers, Suppliers
View Product TDS
China High Temperature Tape - Green Polyester Silicone Tape for Industries | China Suppliers & Factory Suppliers, Factory
China High Temperature Tape - Green Polyester Silicone Tape for Industries | China Suppliers & Factory Suppliers, Factory
View Product TDS
China High-Performance Glass Cloth Tape Substitute for 3M 69 by China Suppliers - Factory Direct Heat-Resistant Solution Supplier, Factory
China High-Performance Glass Cloth Tape Substitute for 3M 69 by China Suppliers - Factory Direct Heat-Resistant Solution Supplier, Factory
View Product TDS
Wholesale Single Sided Cloth Duct Tape Fabric Tape Cloth Backed Adhesive Tape Bulk Wholesale Supply Manufacturers, Factories
Wholesale Single Sided Cloth Duct Tape Fabric Tape Cloth Backed Adhesive Tape Bulk Wholesale Supply Manufacturers, Factories
View Product TDS

SGS on-site verification · Huayuan adhesive tape factory, Guangdong, China

Certificate