FR4 epoxy fiberglass laminate
FR-4 glass epoxy is a laminate sheet made from a woven fiberglass substrate and a flame-retardant epoxy resin.
FR4
INSULATION BOARD
≥ 340 MPa
Flexural strength
perpendicular to laminations
≥ 33 KJ/m²
Charpy impact
strength parallel to laminations
≥ 35 Kv
Electric strength perpendicular to
laminations(at 90℃ in 25# transformer oil)
≥ 5*(10²*10²) MΩ
Insulation resistance
after immersion in water
UL94-V0 Level
Combustibility
30 mg
Water absorption
130 ℃
TG
High mechanical strength at medium temperature and good electrical performance stability at a high temperature of 130 ℃.
High mechanical and dielectric properties Good insulation performance, heat resistance and moisture resistance, stable electrical insulation performance.
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