Vertical layer orientation Bending strength A: Normal state: E-1/150，150±5℃≥340Mpa
Parallel layer orientation the impact strength (simple beam method): ≥230KJ/m
Insulation resistance after immersion(D-24/23): ≥5.0×108Ω
Vertical layer orientation Electrical strength( In 90±2℃ transformer oil, board thickness:1mm ): ≥14.2MV/m
Parallel layer orientation Breakdown voltage: ≥40KV
Relative permittivity （50Hz）：≤5.5
Relative permittivity （1MHz）：≤5.5
Dielectric loss factor （50Hz）：≤0.04
Dielectric loss factor （1MHz）：≤0.04
Water absorption (D-24/23, board thickness: 1.6 mm): ≤ 19 mg
Density: 1.00-2.10 g / cm³
Flammability: FV0
Color: Natural Color
Standard: GB／T1303.1-1998
FR-4 Processing performance
FR-4 Process Platen Melting Point (203 ℃)
High Chemical resistance
Low loss factor (Df 0.0025)
Stable and low dielectric constant (Dk 2.35)
Thermoplastic materials
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