Ultra-Long PCBs
Stable • Reliable • Fast Delivery

We offer three premium ultra-long PCB solutions: FR-4, FPC and metal substrates (Al/Cu), up to 2.5 meters. With high-standard manufacturing, our PCBs provide excellent stability, precision and reliability for new energy, industrial control, medical and other high-end applications.

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Rigid: 1800mm max
Flex: 2500mm max
UL, IPC compliant
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Ultra-Long PCB Multi-Material Solutions

Our three core PCB substrate types deliver tailored performance for your unique ultra-long circuit designs and applications.

FR-4 Extra Long Board

FR-4 Ultra-Long PCBs

Cost-effective with mature processes, ideal for high-volume industrial applications

High-TG FR-4 with excellent heat resistance and strength

Anti-deformation for ultra-long boards

Anti-oxidation, moisture & mold resistant

Max length:1800mm
TG value:≥130–260°C
Thermal conductivity:0.3 W/m·K
Cost tier:Low
FPC Extra Long Flexible Board

Flexible Ultra-Long FPC

Flexible and foldable to save space, perfect for irregular shapes and confined installations

PI substrate with ≥100k flex cycles & flexibility

IP67-rated for harsh environments

Coverlayer & high-temp adhesive resist UV & thermal aging

Max length:2500mm
Thermal conductivity:0.25 W/m·K
Operating temperature:-40°C~125°C
Cost tier:High
Extra Long Metal Substrate

Metal Core Ultra-Long PCBs

Outstanding thermal performance for high-power and high-heat applications

Available in aluminum, copper, or iron core materials

Dielectric layer: ≥20kV, excellent heat dissipation

Supports thermal isolation designs

Max length:1800mm
Thermal conductivity:1–385 W/m·K
Operating temperature:-40°C to 125°C
Cost tier:Medium-High

Ultra-Long Custom

Up to 2500mm for large equipment & new energy.

Ultra Precision

1.2/1.2mil line/space, ±0.05mm registration.

High Reliability

Imported base, military-grade, durable 50% longer.

Fast Delivery

30% faster lead time, urgent 72h.

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Ultra-Long PCB Technical Specifications

Every specification is rigorously verified to ensure performance meets design requirements.

Parameter Category Technical Indicator Industry Standard Our Advantages
Size & Dimension Rigid: 1800mm max, Flex: 2500mm max ≤1500mm Longer boards, higher efficiency
Board Thickness 0.13-5.0mm 0.4-2.0mm Full thickness, no limits
Line Width/Space 1.2/1.2mil 4/4mil Fine line/spacing, HDI & miniaturization
Hole Size Minimum 0.2mm Minimum 0.75mm Micro-level drilling, ultimate precision
Registration Accuracy ±0.05mm ±0.075mm High alignment accuracy, stable yield
Aspect Ratio 20:1 8:1 Deep-drill capability, long-term reliability

Specialized Production Line for Ultra-Long PCBs

More about us
Ultra-Long PCBs Router

Ultra-Long PCBs Router

Ultra-Long PCBs V-Cutting Machine

Ultra-Long PCBs V-Cutting Machine

Ultra-Long PCBs Tester

Ultra-Long PCBs Tester

Ultra-Long PCBs FQC

Ultra-Long PCBs FQC

Applications

Our PCB extra long boards have been successfully applied in various high-end manufacturing fields with high customer recognition

New Energy Vehicle Battery Module

New Energy Vehicle Battery Module

Custom 2.8m extra long aluminum substrate for a leading NEV manufacturer's BMS, 40% improved heat dissipation efficiency

Industrial Control Equipment

Large Industrial Control Equipment

1.8m extra long FR-4 board for automated production lines, 60% reduction in connection points and failure rate

Medical Equipment

High-end Medical Testing Equipment

2.2m extra long FPC flexible board for MRI equipment, meets flexible installation requirements, medical-grade certified

Customer Testimonials

Genuine feedback from customers across industries drives our continuous improvement

We needed extra long aluminum substrates for our new energy battery modules and chose them after comparing multiple suppliers. Excellent heat dissipation performance, on-time delivery, and zero failures after six months of use - highly satisfied.

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Michael Carter

Technical Director, Leading NEV Manufacturer

Industrial control equipment has extremely high stability requirements for PCB boards. PCBMASTER's FR-4 extra long boards not only meet length requirements but also have far superior anti-interference capabilities - highly recommended.

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James Taylor

Automation Equipment Company

Medical equipment requires extra long boards for flexible installation. Their FPC flexible board solution perfectly solved our installation challenges with professional product quality and service.

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David Wilson

Procurement Director, Medical Device Enterprise

FAQs for Ultra-Long PCBs

Have more questions? Our technical team is ready to help.

Contact Technical Support