Engineered with micro-level precision to meet rigorous industrial specifications for dielectric strength, heat resistance, and customized peel forces.
Established in June 2007, Jiangsu Yongjia Electronic Materials Co., Ltd. has developed into a preeminent, high-technology manufacturer and comprehensive service provider of specialized functional tapes and high-performance insulation materials. Headquartered within the highly integrated industrial hub of Nantong, Jiangsu, our state-of-the-art facility encompasses 16,000 square meters of land with a dedicated building area of 9,000 square meters.
Our operation integrates cleanroom-compliant production workshops, advanced analytical research & development laboratories, and precision quality testing facilities. As a core partner to global microelectronics packaging and high-frequency electrical apparatus manufacturers, our focus centers on the research, synthesis, coating technology, and supply of heat-seal cover tapes, self-adhesive cover tapes, acetate cloth tapes, glass fiber tapes, and PET protection films.
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An in-depth analysis of next-generation material science, global macro trends, and supply chain strategies driving the electronics, semiconductor, and automotive industries.
Modern SMT components require insulation coatings and backing materials with extremely tight tolerances. Standard carrier and cover tapes must maintain structural integrity and a constant coefficient of thermal expansion under high processing temperatures.
Global directives like RoHS 2.0 and REACH require electrical insulation to be non-toxic and halogen-free. Acetate cloth tapes and flame-retardant barriers must utilize eco-safe chemical matrices while maintaining V-0 rating compliance.
With the expansion of 5G, sub-6GHz networks, and high-frequency radar modules, functional electrical isolation must offer low dissipation factors (Df) and controlled dielectric constants (Dk) to prevent signal loss.
In the post-pandemic industrial landscape, global OEM and EMS procurement teams have shifted from "Just-in-Time" to "Just-in-Case" strategic sourcing models. High-performance insulation tape is not treated merely as a consumable; it is a critical component that ensures SMT line runtimes and guards against component degradation. Procurement evaluations prioritize manufacturers that can guarantee:
Jiangsu Yongjia Electronic Materials leverages a highly integrated manufacturing facility in Nantong to offer exceptional supply chain efficiency. By upgrading processing lines with semi-automated coating heads, real-time thickness monitoring systems, and closed-loop thermal drying tunnels, we achieve highly consistent adhesive applications.
Our production advantage is built upon three pillars:
| Tape Type | Dielectric Strength | Thermal Range | Key Features |
|---|---|---|---|
| Acetate Cloth | ≥ 3.0 kV | -40 to 130°C | Flame Retardant, High Conformability |
| Glass Fiber | ≥ 4.5 kV | -50 to 180°C | Extreme Tensile, Abrasion Resistant |
| PET Protection | ≥ 5.0 kV | -20 to 150°C | Halogen-free, High Transparency |
| Cover Tapes | Anti-static | -10 to 120°C | Stable Peel Force, Custom ESD Coating |
Engineered for mission-critical operations where material stability directly impacts yield and component safety.
Our production facilities operate under ISO9001 and strictly adhere to international certifications to ensure product reliability.
Insights into capacity optimization, product upgrades, and advancements in electronic material technology.
Against the backdrop of steady growth in the global cover tape market, capacity optimization and technological advancement have become core drivers for the electronics supply chain.
Driven by the miniaturization and integration of electronic components, the demand for customized packaging materials continues to grow, requiring stable adhesive solutions.
As semiconductor packaging requirements become more demanding, high-end heat-sealing cover tapes offer the thermal stability needed to prevent carrier tape degradation.
Technical guidance on SMT cover tape parameters, environmental compliance, and correct material selection.
Peel force stability depends on the formulation of the heat-activated adhesive (typically a specialized copolymer) and the surface finish of the carrier tape (PS, PC, or PET). Our tapes are designed to provide a consistent peel force of 0.3N to 0.8N (at a 180-degree angle, peeling speed of 300mm/min). This helps prevent issues like component pop-out or SMT feeder jams, even after storage in warm warehouses.
Acetate cloth tape features high conformability and absorption capability, allowing varnishes and resins to bond effectively with the tape backing. Its flame-retardant properties (conforming to UL510 standards) prevent thermal runaway in high-frequency transformer windings. It also offers excellent breakdown voltage protection (typically ≥3kV) without degrading from heat during continuous operation.
Yes. Our glass fiber tapes utilize high-density E-glass fibers woven with high tensile strength. This provides excellent resistance to edge tearing and mechanical abrasion. When combined with high-performance silicone or thermosetting rubber adhesives, these tapes can withstand continuous temperatures up to 180°C, making them suitable for heavy-duty electric motors and coil insulation.
PET tape is thin (typically 25μm to 50μm) and provides high dielectric strength with excellent tear resistance, making it ideal for outer wrapping and thin-barrier insulation. Acetate cloth tape is thicker, highly flexible, and can absorb insulating resins, which makes it ideal for uneven surfaces, coil wrapping, and applications requiring high mechanical cushioning.
We source all raw polymers, plasticizers, and flame-retardant additives from certified manufacturers. Every production run undergoes rigorous screening using our in-house testing equipment, backed by third-party testing services. This ensures that heavy metals, polybrominated biphenyls (PBBs), and SVHCs remain well below the strict limits set by RoHS 2.0 and REACH.
Yes. We operate high-precision, automated slitting lines capable of cutting master rolls to narrow widths (minimum width of 5.3mm for cover tapes) with tolerances within ±0.1mm. Custom roll lengths and core materials (plastic or paper) can also be tailored to match specific packaging line designs.
Explore our complete catalog of certified functional tapes. Contact our technical sales team for custom formulations and volume pricing.
YONGJIA Electronic