FR4 EPOXY GLASS
Detailed Product Description
epoxy glass fiber sheet
1.low water absorption
2.high mechanical strength
3. high temperature resistant
4.good electric pr
epoxy glass fiber sheet
Usage:
(1)Bottom plate of PCB punching and prototyping machine,
(2)Reinforcement plate of testing fixture,
(3)Needle plate
(4)The material of Flexible Printed Circuit Board
(5)Other electronical products
Features:
(1)Low water absorption rate
(2)Hard to be deformed
(3)High mechanical strength,
(4)Good electric performance wether under the moist or dry environment, Flame retardant grade could reach 94-V0,
(5)High temperature resistant,high dielectric performance and mechanical processing performance.
Data sheet:
Item: |
Testing method |
Unit |
Result |
Fire Retardancy Grade: |
A |
-- |
94-V0 |
Flame Resistance: |
C-96/20/65 |
°C |
170-180 |
Voltage Resistance(penetrating) |
C-96/20/65 (in 25 °C oil) |
KV/mm |
18 |
Voltage Resistance |
C-96/20/65 (in 25 °C oil) |
KV/mm |
12 |
Arc Resistance |
C-96/20/65 |
S |
60-80 |
Permittivity(1MHZ): |
C-96/20/65 |
-- |
4.0-5.0 |
Permittivity(1MHZ): |
C-96/20/65 +D-48/50 |
-- |
4.5-5.5 |
Volume resistivity: |
C-96/20/65 +C-96/40/95 |
Ω-cm |
5*10^11-10^13 |
Surface resitance: |
C-96/20/65 +C-96/40/90 |
Ω |
5*10^11-10^12 |
Insulation Resistance: |
C-96/20/65 +D-2/100 |
Ω |
10^12-10^13 |
Conmpressive Strength(Vertical): |
A |
kg/mm2 |
29-34 |
Conmpressive Strength(Horizontal): |
A |
kg/mm2 |
19-24 |
Anti-impact intensity(Parrallellable): |
A |
kg-cm/cm2 |
7-9 |
Bending strength(Horizontal): |
A |
kg/mm2 |
40-50 |
Clevability: |
A |
kg |
850-1000 |
Adhesive strength: |
A |
kg |
700-900 |
Compressive strength(Horizontal): |
A |
kg/mm2 |
20-24 |
Water absorption rate: |
E-24/50 +D-24/23 |
% |
0.07-0.12 |
|