Premium carrier and cover protection tapes engineered to optimize pick-and-place surface mount technology (SMT) and high-speed electrical protection lines.
High dielectric strength insulating tape optimized for electrical wiring harness management and transformer insulation wrapping, achieving excellent flame retardancy under extreme test cycles.
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Industrial-grade acetate backing layer offering maximum conformability, mechanical resistance, and long-term chemical durability under harsh thermal stress profiles.
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Equipped with an easy-to-peel release liner designed for die-cutting operations and manual application components, maintaining core structural stability throughout packaging procedures.
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Engineered for extreme surface-mount technology thermal environments, featuring controlled, repeatable peeling forces to minimize chip bounce during SMT automation.
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Fully compliant with international UL flame-retardant standards. Features a robust acrylic adhesive formulation paired with a highly uniform release paper liner.
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Reinforced high-tensile packaging material that resists tearing and abrasion under high mechanical loads. Ideal for heavy-duty bundling and coil anchoring.
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Industry-standard heat seal tape designed for universal application across multiple thermoplastic carrier tapes (polystyrene, polycarbonate, and PET).
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Pressure-sensitive adhesive cover tape (PSA) offering seamless, heat-free application for sensitive active components requiring stable peel profiles over time.
Technical SpecificationsIn the contemporary global electronics supply chain, component protection is no longer just a question of transport logistics; it is a critical variable in yield rate maximization and system-level reliability. The transition toward sub-millimeter component architectures (such as 0201 and 01005 passives) requires packaging materials that perform continuously under strict mechanical, thermal, and electrostatic tolerances. From semiconductor dies packaged in high-precision carrier tapes to delicate automotive wiring insulated with specialized acetate cloth tapes, the materials selected define the efficiency of high-speed SMT assembly lines worldwide.
“The performance of functional cover tapes and carrier materials directly impacts pick-and-place processing speeds. A deviation of just 0.05 Newtons in cover tape peel-force can lead to component ejection, machine stoppage, and high manufacturing waste. Selecting an optimized, technically verified supplier is a baseline operational necessity.”
China has established an integrated industrial cluster for electronic materials manufacturing. This localized value chain offers significant advantages over external suppliers:
Chinese factories are situated in regions with direct, localized access to high-grade PET, specialty acrylic and silicone adhesive resins, and advanced functional compounds. This proximity mitigates global logistics risks and ensures raw material stability.
Advanced Chinese manufacturing plants operate under Class 10,000 (ISO 7) and Class 1,000 (ISO 6) cleanroom configurations. Controlling airborne particulates is essential for eliminating microscopic contaminants on functional carrier tapes and electronic films.
With agile tooling cycles and advanced co-extrusion technology, manufacturers can quickly calibrate properties such as adhesive peel force, dielectric constant, and ESD surface resistance to match client-specific carrier materials.
High-end electronics sourcing requires customized material formulations. The requirements differ significantly across application fields:
Over 18 years of specialized R&D and production of advanced carrier tape, cover tape, and functional technical tape solutions.
Registered and established in June 2007, Jiangsu Yongjia Electronic Materials Co., Ltd. has developed into a leading, integrated provider of specialized functional tapes and electronic packaging solutions. Located in Nantong, Jiangsu province, our facility spans 16,000 square meters with an optimized clean production area of 9,000 square meters.
Equipped with advanced multi-layer precision co-extrusion and high-precision adhesive coating lines, Yongjia serves top-tier semiconductor and consumer electronics manufacturers worldwide. We ensure product consistency through rigorous laboratory analysis of peel force stability, surface resistivity, and tensile limits.
How our customized tape chemistries perform across advanced industrial manufacturing sectors.
When engineering and sourcing departments evaluate premium packaging materials suppliers in China, simple tensile strength measurements are insufficient. Evaluating the following chemical and physics metrics ensures line compatibility and minimizes field failures:
The peeling profile of a cover tape must remain consistent throughout the entire roll. Fluctuations in peeling force lead to vibrations in high-speed feeders, causes small-scale components to bounce out of their carrier pockets, and risks automated optical inspection (AOI) failures.
High-quality cover and carrier tapes are treated with conductive or dissipative coatings. The surface resistance must remain within the critical window of 105 to 1011 ohms, regardless of relative humidity changes. This ensures that static charge dissipates safely before damaging sensitive IC gates.
| Material Property | Standard Testing Reference | Target Specification Range | Technical Significance |
|---|---|---|---|
| Peel Force Stability | EIA-481-E | 0.1N - 1.3N (for 8mm carrier) | Prevents component loss or jamming in high-speed SMT assembly lines. |
| Surface Resistivity | ASTM D257 | 105 to 109 Ω/sq (Dissipative) | Eliminates ESD build-up, safeguarding sensitive active silicon dies. |
| Dielectric Breakdown | ASTM D149 | ≥ 5.0 kV (Acetate Tapes) | Ensures reliable primary insulation for copper windings. |
| Outgassing (TML) | ASTM E595 | < 1.0 % | Protects critical optoelectronic components from condensable vapor deposits. |
Packaging materials are often shipped and stored across different climatic zones. A high-quality cover tape must maintain its nominal peeling force and adhesive structure under exposure to high ambient temperatures and humidity profiles (e.g., aging test cycles of 60°C and 90% RH for 30 days).
Operating under verified ISO frameworks, RoHS compliance, and REACH certification protocols.









Insights into our production lines, new product releases, and electronic packaging development trends.
Against the backdrop of steady growth in the global cover tape market, capacity optimization and technological advancement have become core competencies. Yongjia continues to upgrade its precision co-extrusion systems to meet strict global demand.
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Driven by the miniaturization and integration of active electronics, our research team has refined the pressure-sensitive adhesive (PSA) compound formulation to allow heat-free application over fragile substrates.
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As domestic substitution accelerates, technical breakthroughs in high-temperature heat-seal cover tapes are supporting advanced domestic IC manufacturing and wafer packaging industries.
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Technical and processing advice for sourcing specialists and SMT engineers.
Explore our complete high-temperature, flame-retardant, and structural backing tapes designed for specialized engineering applications.
Enhanced formulation optimized for high-temperature sealing equipment, ensuring clean removal without adhesive residue on critical passive component slots.
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A versatile, multi-carrier heat seal tape compatible with standard automated taping equipment, providing consistent sealing properties across high-speed runs.
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High-clarity pressure sensitive tape (PSA) that allows clear visual check under automated camera inspection lines while maintaining stable static discharge protection.
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Tough PET carrier film coated with a high-tack, temperature-resistant silicone adhesive. Excellent for component masking during wave soldering and chemical plating.
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Coordinated sealing combinations designed to lock sensitive SMD components within standard pocketed carrier tapes, reducing friction-induced defects.
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High dielectric strength insulating tape optimized for electrical wiring harness management and transformer insulation wrapping, achieving excellent flame retardancy under extreme test cycles.
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Industrial-grade acetate backing layer offering maximum conformability, mechanical resistance, and long-term chemical durability under harsh thermal stress profiles.
Technical Specifications
Reinforced high-tensile packaging material that resists tearing and abrasion under high mechanical loads. Ideal for heavy-duty bundling and coil anchoring.
Technical Specifications