Premium grade carrier interface and insulation barrier tapes engineered for component safety and high-yield automated tape-and-reel systems.

Established in June 2007, Jiangsu Yongjia Electronic Materials Co., Ltd. stands as an industry-leading polymer formulation and coating enterprise located in the dynamic industrial hub of Nantong, China. Spanning an engineered workspace of 16,000 square meters with a dedicated building area of 9,000 square meters, our facility houses state-of-the-art precision coating lines, slitting equipment, and a class-10,000 cleanroom laboratory.
Over the past eighteen years, Jiangsu Yongjia has pioneered the vertical integration of polymer research, custom formulation, substrate coating, and precision slitting. We specialize in functional carrier tape systems, heat-sealable (HSL) cover tapes, pressure-sensitive adhesive (PSA) cover tapes, and specialized high-performance insulating tapes designed for high-speed Surface Mount Technology (SMT) lines.
SEO Insight & Information Gain: Unlike general insulation suppliers, Jiangsu Yongjia focuses explicitly on the critical interfacial properties of polymer carriers—addressing micro-adhesion, electrostatic discharge (ESD) shielding stability, and clean peel force kinetics to guarantee zero-defect SMT component feed rate operations.
By leveraging custom-developed polyurethane, acrylic, and silicone polymer matrices on polyethylene terephthalate (PET) and polycarbonate (PC) films, we ensure that our global buyers achieve maximum semiconductor safety, high throughput, and robust physical protection across extended transit lifecycles.
Providing functional tapes and polymer carrier substrates engineered to perform under extreme environment challenges across core technical sectors.
Flame retardant acetate cloth and glass fiber backing tapes provide robust mechanical insulating barriers for High-Voltage EV battery harnesses and ECU control boards.
Precision carrier and cover tapes (Heat-Seal and Self-Adhesive) with controlled surface resistivity prevent electrostatic discharges from damaging microscopic IC chips during automated handling.
High-tensile PET and composite backing protective tapes safeguard lead frames, connector terminals, and stamped metallic alloys from micro-scratches and adhesive residue transfers during high-speed stamping.
High thermal stability polyester and acetate tapes serve as primary inter-layer insulation and wire bundling matrices inside power transformers, cooling fans, and high-frequency power units.
In the highly competitive landscape of polymer insulation manufacturing, stability, speed, and cost-efficiency dictate market leadership. Jiangsu Yongjia has systematically restructured its facility to adopt key tenets of Factory 4.0. Our plant features closed-loop automation from compound mixing through coating head extrusion to final high-speed slitting.
By using direct PLC-controlled raw material dosing systems, we eliminate variance in batch viscosity, ensuring the critical dry coat weight of our HSL adhesives remains constant within +/- 0.5 micrometers. This technical precision mitigates the notorious issue of peel-force drift, which often disrupts SMT production lines globally.
Non-contact online thickness gauges scan the entire width of the coating substrate in real-time, feeding live telemetry back to the slot-die extrusion coater to adjust chemical flow dynamically.
Advanced laser-guided slitting centers guarantee clean edges down to 0.1mm tolerances. This level of control reduces the presence of micro-filaments and lint, which can compromise cleanroom environments during SMT packing.
Our strategic location in Jiangsu places us within a two-hour radius of key basic monomer and raw plastic resin suppliers. This close proximity ensures uninterrupted production schedules, even during periods of global supply chain instability.
For international procurement managers, these digital factory capabilities translate directly into consistent material quality, shorter production lead times (standard orders fulfilled within 7-14 business days), and competitive pricing structures derived from reduced raw material waste.
As microchip designs advance with smaller, denser pitches and integrated 3D wafer packaging, the demands placed on carrier packaging and insulation substrates have escalated. Under Jiangsu Yongjia's technology roadmap, our research division is actively developing materials targeting three key technical trends:
The Core Focus: Advanced ESD Protection, Zero Peel-Back Outgassing, and Biodegradable Polymers.
Historically, antistatic properties were achieved through surface-coated surfactant chemicals that wore off or became ineffective in low-humidity environments. Jiangsu Yongjia is introducing a line of permanently dissipative polymer matrices. By blending carbon nanotubes (CNTs) or conductive polymers directly into the backing film during co-extrusion, we ensure uniform surface resistivity (105 to 109 ohms/sq) that remains stable regardless of heat, friction, or storage duration.
Additionally, as reflow-soldering temperatures rise due to lead-free environmental compliance (frequently exceeding 260°C), our adhesive matrices are shifting toward modified thermosetting acrylates. These adhesives are designed to prevent the release of volatile organic compounds (VOCs) that can fog optical lenses or coat electrical contacts. Our goal is to achieve near-zero outgassing under high-speed thermal cycles, satisfying the stringent criteria of the automotive and aerospace industries.
To qualify as a tier-1 supplier for international OEMs, a manufacturer must verify and maintain comprehensive regulatory compliance. Jiangsu Yongjia operates under a rigorous quality management system certified to ISO 9001:2015 and aligned with international environmental frameworks.
All functional cover tapes, acetate backings, and PET protective films are fully tested and certified under RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) standards. These materials are guaranteed free of lead, cadmium, mercury, hexavalent chromium, and brominated flame retardants (PBB/PBDE).
For the electronics sector, we offer halogen-free alternative products that meet IEC 61249-2-21 standards (chlorine <900 ppm, bromine <900 ppm, and total halogens <1500 ppm). Additionally, our flame-retardant acetate tapes are formulated to achieve self-extinguishing ratings under UL510 testing protocols.
Recognizing the complexities of international trade, our logistics division offers flexible shipping options including FOB, CIF, DDU, and DDP terms. We provide complete technical documentation with every batch, including Certificates of Analysis (COA), material safety datasheets (MSDS), and peel-test force logs, ensuring smooth customs clearance and straightforward integration into our clients' inventory systems.
Explore our verifiable quality management and environmental testing certifications, ensuring our tapes meet strict international criteria.









Expert answers addressing the selection, application, and storage criteria of polymer carrier and insulation systems.
Stay informed with the latest innovations, material science developments, and capacity expansions at Jiangsu Yongjia.
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