Premium functional electronics tapes engineered for high tensile strength, thermal protection, and reliable dielectric insulation.
A comprehensive technical deep dive into material classifications, electrical insulation requirements, and custom die-cutting technologies.
In modern electronic architecture and battery assembly, insulation gaskets and technical tapes act as critical barriers preventing electrical shorts, managing thermal expansion, and blocking electromagnetic interference (EMI). The selection of appropriate functional substrates is vital to ensure long-term performance under harsh environmental and chemical conditions.
At Jiangsu Yongjia Electronic Materials Co., Ltd., we combine eighteen years of polymer experience with advanced adhesive engineering. This allows us to manufacture functional tapes designed to match specific dielectric strengths, adhesive properties, and thermal demands. Whether it is standard PET substrates, robust glass fiber structures, or highly flexible acetate cloths, each design supports stable performance in high-stakes settings.
Finding the right balance between heat dissipation, physical strength, and dielectric performance is essential. Here is how key insulation families compare:
| Insulation Base Material | Dielectric Breakdown Voltage | Thermal Stability Range | Key Chemical Properties | Typical Industrial Applications |
|---|---|---|---|---|
| Acetate Cloth (Flame-Retardant) | > 3.0 kV | Up to 130°C (Class B) | Excellent resin absorption, high flexibility | Transformer wrapping, wire harness bundling, coil insulation |
| PET Film (Electrical Protection) | > 5.0 kV | -40°C to 150°C | High tensile strength, moisture resistant | Battery pack insulation cell barrier, PCB masking |
| Glass Fiber Reinforced Film | > 4.5 kV | Up to 180°C (Class H) | Extremely low elongation, high mechanical strength | Heavy-duty electrical winding, structural component isolation |
| Heat-Seal Cover Tapes | N/A (Sealing Application) | Optimal hot-melt adhesion | Consistent peel-force control, anti-static properties | Semiconductor component packaging and SMD carrier systems |
Standard adhesive tapes need precise conversion to work as functional insulation gaskets. Our manufacturing lines in Nantong use high-speed rotary die-cutting and flatbed laser cutting to maintain dimensional tolerances within ±0.05mm. This precision helps prevent alignment errors during automated robotic assembly on battery lines and component boards.
Jiangsu Yongjia Electronic Materials Co., Ltd. was registered and established in June 2007. After eighteen years of deep cultivation in the field of electronic materials, the company has developed into a comprehensive service provider of tape products with considerable influence in the industry. Located in the vibrant industrial environment of Nantong, the company covers an area of 16,000 square meters, with a building area of 9,000 square meters. Its scientifically planned production workshops, R&D laboratories, and office spaces are rationally designed, laying a solid foundation for high-quality development.
By pairing raw material formulation R&D with automated coating lines, we help our partners optimize their supply chain and ensure reliable mechanical quality.
Why Tier-1 global technology brands partner with Jiangsu Yongjia in Nantong, China.
Nantong's chemistry and electronics cluster enables direct sourcing of high-grade acrylics, silicons, and films, helping keep manufacturing lead times tight and pricing competitive.
Our dedicated laboratory adjusts adhesive formulas and backing properties to match precise requirements for peel strength, heat resistance, and clean removal.
We work to cleanroom standards, holding full ISO9001 and ISO14001 certifications. All materials are developed to comply with RoHS, REACH, and UL flame-retardant requirements.
Deploying specialized insulation and protective tapes across critical industrial environments.
Dielectric barriers for lithium-ion battery modules, wire harness protection, and temperature insulation.
Reliable masking tapes and carriers designed to withstand mechanical stress during precision die-cutting and stamping.
Anti-static heat-seal cover tapes designed to package and transport miniature integrated circuits safely.
Flame-retardant acetate cloth and PET tapes for internal coils, motors, power adapters, and household boards.
Our commitment to global standards, quality assurance, and environmental compliance.
Consistently adhering to a "people-oriented" approach, viewing innovation and expertise as the primary drivers of enterprise growth.
As the global cover tape market continues to grow, capacity optimization and technological advancement have become critical factors. Discover how Yongjia is expanding its R&D efforts to improve manufacturing consistency.
Miniaturization and higher density in electronic components are driving the need for customized packaging. Our self-adhesive cover tapes are formulated to ensure clean peeling and consistent tension control.
With domestic semiconductor processing stepping up, packaging material reliability is more important than ever. Our high-temperature heat-seal options help secure and protect delicate IC components.
Technical details, purchasing procedures, and materials science guidance for global procurement managers.
Additional professional products to optimize and secure your electronic packaging and assembly operations.
YONGJIA Electronic