KB-6160 FR-4 PCB Laminate – China’s Cost-Effective FR-4 Base
Order KB-6160-based PCBs from Highleap Electronics. FR-4 laminate made by Kingboard, perfect for multilayer, RoHS-compliant, high-volume PCB projects.
KB-6160 — A Reliable FR4 Laminate from Kingboard Laminates
KB-6160 is a versatile FR-4 laminate manufactured by Kingboard Laminates Holdings Ltd., one of the world’s largest PCB materials suppliers. With a Tg of 135 °C, excellent dimensional stability, and robust mechanical strength, it is widely used in double-sided and multilayer PCB applications.
As a flagship member of the Kingboard Laminates Group, the manufacturer of KB-6160 has over three decades of experience in producing high-performance laminates. Since its first plant opened in Shenzhen in 1988, Kingboard has become a trusted supplier to global PCB makers, known for consistent quality and scalable material availability.
At Highleap Electronics, we offer full-service PCB manufacturing and assembly using KB-6160 and other FR4 systems. This material is ideal for cost-effective production with high process compatibility and supports UV exposure, AOI inspection, and lead-free soldering workflows.
✅ Built for 4–8 layer PCB stackups
✅ UL 94 V-0 certified and IPC-compliant
✅ Available in various copper thicknesses and prepreg formats
KB-6160 Specification Overview
| Test Item | Test Method (IPC-TM-650) | Test Condition | Unit | Specification (IPC-4101E/21) | Typical Value |
|---|---|---|---|---|---|
| Thermal | |||||
| Thermal Stress | 2.4.13.1 | Float 288 °C / Unetched | Sec | ≥10 | ≥180 |
| Glass Transition (Tg) | 2.4.25 | E-2/105 DSC | °C | ≥130 | 135 |
| CTE / Z-Axis Expansion – Alpha 1 | 2.4.24 | — | ppm/°C | — | 60 |
| CTE / Z-Axis Expansion – Alpha 2 | 2.4.24 | — | ppm/°C | — | 300 |
| CTE Expansion 50–260 °C | 2.4.24 | — | % | — | 4.3 |
| T260 | 2.4.24.1 | TMA | min | — | >10 |
| TD (5% Weight Loss) | 2.4.24.6 | TGA | °C | — | 305 |
| Flammability | UL94 | E-24/23 | Rating | V-0 | V-0 |
| Electrical | |||||
| Surface Resistivity | 2.5.17.1 | C-96/35/90 | MΩ | ≥10⁴ | 1.0×10⁶ |
| Volume Resistivity | 2.5.17.1 | C-96/35/90 | MΩ·cm | ≥10⁶ | 1.0×10⁸ |
| Dielectric Breakdown | 2.5.6 | D-48/50 + D-0.5/23 | kV | ≥40 | 69 |
| Dielectric Constant @ 1 MHz | 2.5.5.2 | Etched (RC50%) | — | ≤5.4 | 4.35 |
| Dielectric Constant @ 1 GHz | 2.5.5.2 | Etched (RC50%) | — | ≤5.4 | 4.25 |
| Loss Tangent @ 1 MHz | 2.5.5.2 | Etched (RC50%) | — | ≤0.035 | 0.017 |
| Loss Tangent @ 1 GHz | 2.5.5.2 | Etched (RC50%) | — | ≤0.035 | 0.018 |
| CTI | IEC60112 | A | V | — | ≥175 |
| Arc Resistance | 2.5.1 | D-48/50 + D-0.5/23 | Sec | ≥60 | 125 |
| Mechanical | |||||
| Peel Strength (1 oz.) @ 125 °C | 2.4.8 | 125 °C | N/mm | ≥0.70 | 1.7 |
| Peel Strength (1 oz.) Float 288 °C / 10 Sec | 2.4.8 | Float 288 °C / 10 Sec | N/mm | ≥1.05 | 1.75 |
| Peel Strength (1 oz.) After Process Solution | 2.4.8 | After Process Solution | N/mm | ≥0.80 | 1.3 |
| Flexural Strength – Length Direction | 2.4.4 | D-24/23 | N/mm² | ≥415 | 565 |
| Flexural Strength – Cross Direction | 2.4.4 | D-24/23 | N/mm² | ≥345 | 446 |
| Moisture Absorption | 2.6.2.1 | D-24/23 | % | ≤0.5 | 0.19 |
Remarks:
– Typical values are for reference only and may vary slightly due to different testing methods or equipment.
– All standard values are based on IPC-4101E/21 international specifications.
– The typical sample thickness is 1.6mm (8*7628).
This technical information is provided by Kingboard Laminates Holdings Ltd.
For any technical questions regarding this material or if you need support in PCB manufacturing or assembly, please feel free to contact the professional team at Highleap Electronics.
We provide:
– Material selection consultation
– Prototyping and mass production
– One-stop SMT, THT, testing and PCBA services
– Custom technical documentation and compliance support
Typical Applications of KB-6160 FR-4 Boards
Built by Kingboard Laminates, a global leader in PCB base materials, KB-6160 is widely adopted in scenarios where reliable thermal and mechanical performance are needed—without overspending on high-end laminates.
At Highleap Electronics, we process KB-6160 into a wide range of double-sided and multilayer boards used in:
• Office automation equipment — printers, copiers, embedded controllers
• Consumer electronics — TV mainboards, home appliance logic boards
• Telecom PCBs — analog and digital signal boards, interface modules
• Industrial control systems — I/O units, signal conditioning, motor drivers
• PC peripherals — monitor timing boards, keyboard/mouse controller PCBs
With its high peel strength, stable Tg, and smooth press-out, KB-6160 ensures high fabrication yield even with dense routing, small pads, and multiple reflow cycles.
✔ Good compatibility with AOI, solder mask, UV exposure, V-cut, and routing
✔ Standard panel sizes from Kingboard: 37″x49″, 43″x49″, 41″x47″, and more
✔ Available with HTE and reverse-treated copper (1/3 oz to 3 oz)
Why Choose Highleap Electronics for KB-6160 PCB Projects
Choosing the right PCB partner is essential to maximizing the value of your specified laminate.
At Highleap Electronics, we work seamlessly with KB-6160 from
Kingboard Laminates Holdings Ltd. to deliver reliable, production-ready PCBs with precision and speed.
- Reliable lead times: Fast prototyping and volume runs supported by in-house lamination and SMT automation.
- Consistent quality: Full traceability with ISO 9001, IPC Class 2/3, AOI, ICT, and electrical test processes.
- Engineering-backed support: Stackup and drill file reviews to prevent delays and ensure field reliability.
- Regulatory compliance: Documentation packages for UL 94 V-0, IPC-4101C, RoHS/REACH and more.
- Global-ready flexibility: Regional support and scalable workflows that align with international product launches.
Partner with Highleap Electronics to turn your KB-6160 PCB designs into high-reliability boards—built for performance, delivered with care.
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