All data is for information only------(<---links)
PRODUCT DATA of FR4 type GFN
MaterialFR4 type GFN
Product Typeepoxy glass sheet IPC4101/21
Chemical Compositionepoxy laminate
Name of ManufacturerPolyclad Europe
ELECTRICAL PROPERTIES
Dielectric Constant4.4 to 4.8
THERMAL PROPERTIES
Thermal Expansion Coefficient180 μstrain/°C
Remark:measured in Z-direction in X, Y direction CTE=14-18
Glass Transition Temperature135 °C
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
FlammabilityUL-94 Classification V-0
Outgassing StatusPass
OutgassingTML = 0.42%, RML = 0.18%, CVCM = 0.00%