Technical laminates - sheets
GLASS EPOXY SHEET FR4 – Hgw 2372.2
Laminated material in sheets, made from modified nonalkaline glass fabric as a frotifier material and epoxy resin as a binder. In addition to its good mechanical and electroinsulating properties. The material is self-extinguishing, classified as inflammable, category FVO.
Available dimensions: 1050x1025 mm, 1050x2050 mm
Available thickness: 0,5 mm – 50 mm
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Company Trade Mark: Glass epoxide sheets Hgw 2372.2 |
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Type acc. to DIN – EN: 60893 |
EPGC 204 |
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Type acc. to DIN 7735 |
Hgw 2372.2 |
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Type acc. to NEMA
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FR-5 |
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Reinforcement |
glass cloth |
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Resin |
epoxide |
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Application |
Electroinsulating, mechanical |
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Mechanical properties |
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Flexural stress at rupture perpendicular to laminations (at temp. |
MPa |
340 |
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Apparent module of elasticity in flexure |
MPa |
24x103 |
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Tensile strength |
MPa |
300 |
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Compressive strength perpendicular to laminations |
MPa |
350 |
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Impact strength (Charpy) parallel to laminations |
KJ/m2 |
33 |
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Shearing strength parallel to laminations |
MPa |
30 |
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Compressive strength parallel to laminations acc. to PN-83/C-89031 |
MPa |
180 |
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Dielectric properties |
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Electric strength in oil - perpendicular to layers - parallel to layers |
kV/3 mm kV/25 mm |
30 35 |
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Dissipation factor tan d - at 50 Hz - at 1 MHz |
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0,04 0,04 |
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Permittivity at 1 MHz |
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5,5 |
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Comparative tracking index (CTI) |
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180 |
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Insulation resistance after immersion in water |
MΩ |
5x104 |
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1-minute voltage test in oil - perpendicular to layers (for - parallel to layers |
kV kV |
40 40 |
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Physical properties |
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Density |
g/cm3 |
1,9 |
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Temperature index (TI) |
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155 |
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Water absorption (for thickness |
mg |
22 |
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Flammability (category) |
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FVO |