Products Description
FR4 Fibreglass Sheet made of epoxy resin impregnated electronic grade glass fiber cloth, laminated under high temperature and high pressure, widely used in PCB circuit boards and insulating structural parts of electrical equipment.
Key parameters (according to IPC-4101 standard):
- Temperature resistance level: long-term 130℃ (TG150 type can withstand 150℃)
- Dielectric strength: ≥40kV/mm (1 minute withstand voltage test)
- Thickness range: 0.2mm~3.2mm (tolerance ±0.05mm)
- Flexural strength: ≥400MPa (ASTM D790)
NEMA series: F880A(G10),F881A(FR4),F882A(G11),F883A(FR5),F887(CEM-1)
IEC series:EPGC201,EPGC202,EPGC203,EPGC204,EPGC205,EPGC306,EPGC307,
EPGC308,EPGC309,EPGC310,EPGC311
Product parameters
|
Properties |
UNITS |
STARND VALUE |
|
Flexural Strength perpendicular to lamination ≥ A: Under normal conditions E-1/150:150±5℃ |
Mpa |
340 |
|
Impact Strength parallel to laminations(Charpy)≥ |
KJ/m2 |
33 |
|
Insulation resistance after immersion in water(D-24/23)≥ |
Ω |
5.0x108 |
|
Dielectric strength perpendicular to laminations |
MV/m |
14.2 |
|
Breakdown voltage parallel to laminations (in 90±2℃ transformer oil)≥ |
KV |
40 |
|
Permittivity(48-62Hz)≤ |
-- |
5.5 |
|
Permittivity(1MHz)≤ |
-- |
5.5 |
|
Dissipation factor(48-62Hz) |
-- |
0.04 |
|
Dissipation factor(1MHz)≤ |
-- |
0.04 |
|
Density |
g/cm3 |
1.70-1.90 |
|
Water absorption(D-24/23) 1.6mm in thickness) ≤ |
mg |
19 |
|
Color |
--- |
Green |
|
Reference standard |
--- |
Enterprise standard |
our certificate

Customer

Packing
FR4 fibreglass sheet packaged in wooden crates, wooden framed cases or other strong enough materials covered with moisture-proof materialoutside.Gross weight of each package not exceeds 3000kgs.




Storage
FR4 fibreglass sheet should be stored in a clean and dry room with temperature not exceeding 40℃ and should be laid flat wise on a stepping-board which is at least 50mm from the ground, never close to fre source, heat source and protected against moisture.
Application scenarios



Factory Display


FAQ
Q: How long is the delivery time?
Q: Which certification do you have?
Q: Are you trading company or manufacturer?
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