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Material Name

FR4

Material Type

Plastic

Process Compatibility

CNC machining

Property Value
Mechanical Properties
Ultimate tensile strength 240 – 310 MPa
Young’s modulus (modulus of elasticity) 12 – 27 GPa
Elongation at break 0.008 – 0.01 %
Hardness 100 – 110 HRM
Physical Properties
UV resistance Good
Thermal Properties
Maximum service temperature 122 – 145 °C
Thermal expansion coefficient 9.9 – 11.9 × 10-6/ºC
Thermal conductivity 0.29 – 0.34 W/(m⋅°C)
Electrical Properties
ESD Safety No
Common Applications
Structural applications Electrical applications
PC boards
metal for welding

Our FR4 service capabilities

XC Machining offers a comprehensive range of precision manufacturing services, tailored to meet the needs of diverse industries. From CNC machining to custom prototyping, we deliver high-quality solutions with accuracy and efficiency, ensuring every project meets your exact specifications.
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Bring Your Designs to Life with XC Machining

Experience precision engineering with XC Machining. From detailed prototypes to high-volume production, we’re here to turn your concepts into reality. Contact us today to discuss your project needs!

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