Isola FR406 sets the industry benchmark for high-performance epoxy PCB materials, offering a reliable and versatile solution for high-speed digital, RF, and industrial PCB applications. Designed to deliver superior electrical, thermal, and mechanical properties, FR406 laminates are widely recognized for quality, processability, and long-term reliability.
Key Product Features
Industry Recognition & Compliance
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UL Certified: UL File Number E41625 ensures compliance with safety and flammability standards.
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RoHS Compliant: Free from hazardous substances, supporting environmentally responsible manufacturing.
Processing Advantages
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FR-4 Compatible: Seamless integration with standard FR-4 PCB manufacturing processes.
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UV Blocking & AOI Fluorescence: Facilitates accurate automated optical inspection (AOI) for defect detection.
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No Post-Bake Required: Simplifies production workflow by eliminating additional thermal curing steps.
Product Availability
Laminate
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Thickness Range: 2 to 125 mil (0.05 to 3.2 mm), suitable for multilayer and high-density PCB designs.
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Copper Foil Options:
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HTE Grade 3
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Reverse Treat Foil (RTF)
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Copper Weights: ½ oz, 1 oz, and 2 oz (18, 35, and 70 µm)
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Thinner copper foils are also available for specialized applications.
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Prepreg
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Tooling of prepreg panels for multilayer PCB constructions.
Glass Fabric Availability
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E-Glass: High-strength electrical insulation substrate.
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Square Weave Glass: Provides uniform mechanical strength and dielectric properties.
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Mechanically Spread Glass: Enhances resin flow and layer adhesion in multilayer boards.
Applications
Isola FR406 is engineered for advanced PCB designs across various industries:
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High-Speed Digital Circuits: Supports signal integrity in dense, high-frequency designs.
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Industrial Control PCBs: Reliable in harsh environmental and temperature conditions.
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Telecommunications: Suitable for RF and high-performance signal processing boards.
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Consumer Electronics: Enables compact, high-reliability designs for modern devices.
Why Choose Isola FR406?
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Reliable Performance: Maintains excellent electrical and thermal stability across operating conditions.
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Manufacturing Flexibility: Compatible with standard FR-4 fabrication techniques, reducing processing costs and complexity.
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Quality Assurance: UL and RoHS certifications guarantee compliance with international safety and environmental standards.
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Optimized for Inspection: UV blocking and AOI fluorescence enhance production quality control.
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Broad Material Options: Multiple thicknesses, copper weights, and glass types make it suitable for diverse PCB designs.
Isola FR406 is the ideal solution for engineers and PCB manufacturers seeking a high-performance, process-friendly, and reliable epoxy laminate. Its combination of mechanical strength, electrical stability, and manufacturing advantages ensures robust and cost-effective PCB production for high-speed, industrial, and RF applications.

