ISO 9001:2015 & SGS Verified Direct Manufacturer

Wholesale Kaptons Tape Supplier & Factories

Precision polyimide engineering, customized silicone adhesive formulations, and cleanroom die-cutting solutions. Supplying tier-1 electronics, aerospace, and energy enterprises globally with high-temperature insulation tapes.

Direct Sourcing Matrix (Part 1)

High-Performance Adhesive & Shielding Tapes

Explore our foundational range of precision-coated polyimide, copper foil, acrylic nano gels, and structural double-sided adhesives engineered for zero-residue thermal isolation and assembly.

Silicone Nano Adhesive Tape

Wholesale China Suppliers Factory Silicone Nano Adhesive Tape - Waterproof Double-Sided Acrylic Tape

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Hot Melt Double-Sided Tape

China Hot Melt Double-Sided Tape *Oily Water-Based Glue* Suppliers | China Factory with Strong Adhesive

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High Temperature Mylar Tape

China High Temperature Mylar Tape - PET Polyester Acrylic Insulation for Transformers

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EMI Shielding Copper Foil Tape

China China Suppliers Factory EMI Shielding Copper Foil Tape for Stained Glass, Electronics Protection

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PET Double-Sided Tape

China PET Double-Sided Tape - Flexible Carrier for Strong Adhesion | China Suppliers & Factory

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Electronics EMI Shielding Copper Foil

Wholesale China Electronics EMI Shielding Tape - Copper Foil Factory Direct Manufacturer

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Silicone Nano Acrylic Tape

China China Silicone Nano Adhesive Tape Waterproof Acrylic Tape - Durable Strong Adhesion

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Glass Cloth Tape 3M Substitute

China High-Performance Glass Cloth Tape Substitute for 3M 69, Heat-Resistant Insulation

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Material Science & Engineering Whitepaper

Engineering Grade Kapton (Polyimide) Adhesive Systems

A rigorous examination of molecular stability, thermal endurance, and adhesive mechanical shear in high-stress electrical and electronic operating environments.

Polyimide Film Carrier Integrity

Kapton tape utilizes aromatic polyimide film synthesized via condensation polymerization of pyromellitic dianhydride (PMDA) and 4,4'-oxydianiline (ODA). This rigid molecular chain delivers exceptional dimensional stability across a thermal spectrum of -269°C to +400°C without mechanical degradation or dielectric breakdown.

Cross-Linked Silicone Adhesion

Coated with high-purity, thermal-setting cross-linked organosilicone adhesives, our Kapton tapes maintain consistent peel strength (≥6.5 N/25mm) during extreme reflow conditions. They release cleanly from precious metal contacts, gold fingers, and ceramic substrates leaving zero siloxane residue or carbonaceous contamination.

Dielectric Breakdown Resistance

Certified to UL 510 flammability standards with flame rating 94V-0. Huayuan's polyimide series features a dielectric strength exceeding 6.5 kV/mil, making it an indispensable insulation barrier for high-voltage transformer windings, traction motor stators, and aerospace harness bundling where space constraints prohibit bulky jackets.

Film Grade Total Caliper (mm) Carrier / Adhesive System Operating Temperature Range Dielectric Breakdown Tensile Strength (MPa) Primary Industrial Standard
HY-PI-101 Standard 0.055 ± 0.003 Polyimide (0.025) / Silicone (0.030) -40°C to +260°C ≥ 5.5 kV ≥ 135 UL 510, RoHS
HY-PI-200 ESD Coated 0.060 ± 0.003 Antistatic Polyimide / Silicone -40°C to +260°C ≥ 5.8 kV ≥ 140 ESD S20.20 compliant
HY-PI-350 Heavy Duty 0.090 ± 0.005 Polyimide (0.050) / Silicone (0.040) -60°C to +280°C ≥ 7.5 kV ≥ 210 Class H Insulation
HY-PI-LAM Double Sided 0.095 ± 0.005 Silicone / Polyimide / Silicone -40°C to +260°C ≥ 6.0 kV ≥ 130 REACH / IEC 60454
260°C
Peak Operating Tolerance
≥6.5 kV
Dielectric Breakdown Voltage
100k Class
Cleanroom Coating Facility
0 Residue
Clean Release Post-Reflow
Supply Chain Resilience

China Factory Direct Advantages for Global Distributors

Why Fortune 500 procurement teams, electronics manufacturing services (EMS), and specialty converters partner with Zhuhai Huayuan Electronics for sustained volume scalability.

Integrated Upstream Sourcing

Strategically situated in the Greater Bay Area, our dual production hubs in Zhuhai and Zhongshan maintain direct supply partnerships with polymer chemical leaders, minimizing resin price volatility and ensuring uninterrupted jumbo roll supply.

Custom Coating & Conversion

Equipped with four high-speed multi-stage reverse gravure coating heads and CNC high-speed rotary die cutters. We supply customized slit widths from 2mm to 1000mm, alongside precision kiss-cut dots, custom pull-tabs, and die-cut parts.

Full Traceability (MES Architecture)

Every single master log, slit coil, and export carton is encoded with batch lot barcodes linked to our manufacturing execution system. Every shipment includes comprehensive Certificate of Analysis (CoA) records for peel, shear, and thickness.

Global Trade Architecture

Operating through Huayuan International Technology (Hong Kong) Co., Ltd., international clients enjoy seamless USD/EUR multi-currency clearing, duty drawback facilitation, bonded warehousing, and rapid export logistics via HK, Shenzhen, and Guangzhou hubs.

Regulatory Verification

Localized Support & Rigorous Global Compliance

Industrial materials must satisfy evolving chemical safety and trade compliance mandates across North America, the European Union, and Asia-Pacific industrial corridors.

EU RoHS & REACH Annex XVII

Every batch of Huayuan Kapton and polyester mylar tape is verified through independent SGS testing laboratories. Formulations are fully compliant with EU Directive 2011/65/EU (RoHS 3.0) and REACH (EC 1907/2006) containing zero substances of very high concern (SVHC) exceeding 0.1% w/w.

RoHS 3.0 Compliant Zero Halogen (IEC 61249)

UL 510 & Class H Thermal Safety

Selected Huayuan electrical insulation tapes carry verified Underwriters Laboratories (UL) yellow card listings under UL 510 for flame retardancy and electrical isolation up to Class H (180°C to 200°C continuous service rating). Essential for US automotive harness and industrial motor OEM qualifications.

UL 94V-0 Rated Class H Insulation System

Outgassing & Aerospace ASTM E595

For vacuum chamber, semiconductor sputtering, and aerospace satellite bus deployment, our special low-outgassing Kapton configurations undergo stringent thermal vacuum testing ensuring Total Mass Loss (TML) < 1.0% and Collected Volatile Condensable Material (CVCM) < 0.1%.

ASTM E595 Qualified Cleanroom Packed
Technical Assurance Guarantee: Zhuhai Huayuan Electronics provides localized Engineering Change Notification (ECN) and Process Change Notification (PCN) windows of 90 days. We guarantee batch-to-batch polymer formulation lock-in, accompanied by full Material Safety Data Sheets (MSDS), Technical Data Sheets (TDS), and SGS spectral analysis reports with every export container.
Localized Applications

Mission-Critical Use Cases in Modern Industry

From advanced SMT surface mounting to EV battery prismatic cell wraps, our Kapton tapes withstand abrasive environments without dielectric breakdown.

SMT Reflow & PCB Gold Finger Masking

During wave soldering and high-temperature lead-free solder baths, Kapton tape shields sensitive edge connectors, test pads, and microchips. Withstands peak wave temperatures of 260°C–280°C for up to 30 seconds without shrinkage, blistering, or solder infiltration, peeling off with zero residue.

EV Lithium Battery Cell & Module Insulation

Specified by electric vehicle pack engineers for cylindrical cell terminal sealing, pouch cell tab wrapping, and prismatic cell external insulation. High puncture resistance prevents dendrite perforation, while chemical inertness ensures zero degradation when exposed to harsh battery organic carbonates.

Aerospace Wire Harness & Satellite Systems

Lightweight polyimide backing reduces aircraft wiring harness weight compared to conventional PTFE or fluoropolymer jackets. Provides exceptional corona resistance, radiation tolerance, and mechanical abrasion resistance across commercial aircraft avionics and deep-space instrumentation.

Market Intelligence

Emerging Trends Reshaping the Polyimide Tape Market

Analysis of high-frequency power electronics, silicon carbide (SiC) semiconductors, and clean energy storage accelerating the transition toward specialty Kapton tapes.

1. 800V Architecture in Electric Mobility

The rapid shift from 400V to 800V EV charging platforms dramatically raises partial discharge and thermal stress requirements. Huayuan is pioneering ultra-thin (12.5μm carrier) corona-resistant polyimide tapes capable of preventing insulation erosion in next-generation SiC motor inverters.

2. Antistatic (ESD) Safe SMT Manufacturing

Modern sub-nanometer semiconductor packaging is susceptible to triboelectric discharge during high-speed tape unwinding. Huayuan's proprietary antistatic backside-coated Kapton tapes maintain surface resistivity within 10^6 to 10^9 ohms/sq, keeping unwinding static charge below 50V.

3. Eco-Friendly Halogen-Free Flame Retardants

Global environmental mandates are phasing out brominated and fluorinated additives. Huayuan has engineered halogen-free organophosphorus-modified silicone crosslinking systems that achieve UL 94V-0 ratings without releasing toxic fumes during accidental fire events.

Corporate Heritage

Nearly Two Decades of Adhesive Technology Leadership

Tracing our path from an experimental coatings laboratory in Zhuhai to an internationally recognized, specialized enterprise with multi-site manufacturing capacity.

2007

Foundation in Zhuhai

Zhuhai Huayuan Electronics Co., Ltd. established at Nanping Science & Technology Park, dedicating precision production lines to electrical insulating tapes.

2013

ISO 9001 & Clean Die-Cutting

Implemented an ISO 9001:2015 quality management system and commissioned precision Class 10,000 cleanroom die-cutting facilities for electronic components.

2014

Hong Kong Global Trading Hub

Formally incorporated Huayuan International Technology (Hong Kong) Co., Ltd. to facilitate global logistics, foreign exchange, and duty-free supply partnerships.

2017

National High-Tech Recognition

Awarded China National High-Tech Enterprise status after securing multiple patents in high-temperature pressure-sensitive silicone synthesis.

2022

Zhuhai Specialized SME

Accredited as a specialized, refined, distinctive, and innovative enterprise by the Zhuhai Municipal Bureau of Industry and Information Technology.

2023

Provincial SME Distinction

Recognized as a Guangdong Provincial Specialized SME, cementing our technical authority across the southern China advanced materials corridor.

2025

Zhongshan Mega-Facility

Expanded capacity with a new manufacturing campus in Tanzhou Town, Zhongshan, introducing ultra-high-speed reverse gravure coating units.

2026+

Sustainable High-Voltage Focus

Pioneering low-carbon bio-based carriers and high-thermal-conductivity polyimide films tailored for gigawatt-scale grid storage and 800V EV drivetrains.

Direct Sourcing Matrix (Part 2)

Precision Converting, Thermal & Die-Cut Tapes

Explore our specialized portfolio of Kapton sublimation films, heat-resistant glass fibers, acetate fabric tapes, and engineered double-sided adhesives.

Heat Resistant Glass Fiber Tape

Wholesale Heat Resistant Glass Fiber Tape - Strong Adhesion Fiberglass Tape from China Factory

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HY200 Kapton Sublimation Polyimide Tape

Wholesale China Suppliers Factory - HY200 Heat Resistant Sublimation Thermal Polyimide Tape for PCB

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Double Sided Hot Melt Tape

China Double-Sided Tape Suppliers - Hot Melt Oily Water-Based Glue from Factory with Strong Bond

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PET High Temperature Green Silicone Tape

Wholesale Pet High Temperature Tape Green Polyester Heat Silicone Tape Manufacturers, Suppliers

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Non-Woven Fabric Insulation Tape

China Thermal Resistant Non-Woven Fabric Tape - Rubber Acrylic Adhesive for Coil End Isolation

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Industrial Acetate Cloth Tape

China Suppliers Industrial Grade Acetate Cloth Tape - Precision Insulation for Motors & Transformers

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PET Double Sided Keyboards LCD Tape

Wholesale China PET Double-Sided Tape Suppliers - Flexible Carrier for Keyboards, LCDs, and Cameras

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Silicone Nano Double-Sided Tape

China Factory Suppliers Waterproof Silicone Nano Adhesive Tape – Strong Double-Sided Acrylic Tape

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Technical & Procurement FAQ

Frequently Asked Questions by Industrial Sourcing Teams

Key technical, regulatory, and purchasing answers to streamline vendor qualification and mass production onboarding.

What distinguishes authentic Kapton (polyimide) tape from counterfeit or lower-grade PET film?
Authentic Kapton utilizes an aromatic polyimide backbone that exhibits neither melting nor physical shrinkage below 350°C. Lower-cost PET or modified polyester substitutes soften at approximately 150°C and undergo rapid thermal melting at 220°C–250°C during lead-free solder reflow. Additionally, genuine polyimide tape emits a characteristic pale smoke with non-melting ash upon flame exposure (UL 94V-0), whereas PET burns with molten droplets. Huayuan provides FTIR spectral fingerprints and raw material certificates for every batch.
How does Huayuan prevent silicone ghosting and adhesive residue during wave soldering?
Silicone adhesive transfer is primarily caused by incomplete chemical cross-linking or excessive low-molecular-weight siloxane fractions. Huayuan utilizes dual-stage platinum-catalyzed crosslinking within a multi-zone 45-meter drying tunnel. By maintaining precise temperature profiles and rigorous curing dwell times, the silicone adhesive establishes strong cohesive bonds with the corona-treated polyimide carrier, yielding 180° peel strength retention without leaving oily siloxane shadows or sticky deposits on copper or gold PCB surfaces.
What custom converting and slitting tolerances can your factory maintain?
Using imported German circular blade micro-slit CNC equipment, we offer roll widths ranging from 2.0 mm up to 1000 mm with an ultra-tight slitting tolerance of ±0.1 mm. Core diameters are available in standard 76 mm (3-inch) plastic or paper cores, as well as 25 mm (1-inch) and 38 mm (1.5-inch) automated dispenser reels. Our cleanroom die-cutting line can produce kiss-cut shapes, tabbed finger masks, and multi-layer laminate gaskets to CAD drawing tolerances of ±0.05 mm.
What is the shelf life, and what are the recommended warehouse storage conditions?
When kept in its original vacuum-sealed or moisture-barrier polyethylene packaging at 20°C–25°C (68°F–77°F) and 45%–55% relative humidity away from direct sunlight, Huayuan polyimide silicone tape maintains a certified shelf life of 24 months from the date of manufacture. Accelerated thermal aging trials demonstrate that peel adhesion and holding power fluctuate by less than 5% over this duration.
Can Huayuan provide ESD antistatic Kapton tape for ESD-sensitive semiconductor packaging?
Yes. We produce proprietary ESD-treated polyimide tapes available in single-sided and double-sided antistatic formats. By embedding polymeric conductives onto the non-adhesive polyimide carrier, we achieve stable surface resistivity of 10^6 to 10^9 Ω/sq. Even during rapid automatic high-speed dispenser unwinding, static discharge voltage is constrained under 50V, fully complying with ANSI/ESD S20.20 cleanroom packaging standards.
What are the lead times and Minimum Order Quantities (MOQ) for overseas OEM projects?
For standard slit widths (e.g., 5mm, 10mm, 20mm, 50mm amber Kapton), ready stock is dispatched within 48 to 72 hours. Custom slit dimensions, unique liners (such as fluorosilicone release films), or die-cut profiles carry an average production cycle of 7 to 10 working days. Standard MOQ starts as low as 1 master log roll (approximately 500mm × 33m or 500m jumbo rolls), while sample trial kits are available free of charge for engineering evaluation.

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

Certificate