Rev: 2021 Aug.
High Tg / Lower Mid Loss / Halogen Free
EM-828G / EM-828BG
Low Dk and Df
Low moisture absorption
Excellent CAF resistance
Halogen, antimony and red phosphorus free
For high speed sever, network and telecom application
Applicable IPC-4101 Slash Sheets: /127, 128, 130
Basic Laminate Property
Property
Item
IPC-TM-650
Test Condition
Unit
Typical Value
Thermal
Tg
2.4.25
DSC
℃
170
2.4.24
TMA
℃
160
2.4.24.4
DMA
℃
190
CTE, X/Y-axis
2.4.24.5
< Tg, TMA
ppm/℃
12/15
CTE, Z-axis
2.4.24
< Tg, TMA
ppm/℃
40~45
> Tg, TMA
ppm/℃
220~240
Z-axis Expansion
2.4.24
50~260℃
%
2.6
Td
2.4.24.6
TGA (5% W.L)
℃
380
T288
2.4.24.1
Clad
Min
>20
Electrical
Dk
(R/C: 50%)
1 GHz
2.5.5.9
C-24/23/50
-
3.9
10 GHz
Cavity Resonator
-
3.8
Df
(R/C: 50%)
1 GHz
2.5.5.9
C-24/23/50
-
0.008
10 GHz
Cavity Resonator
-
0.011
Volume Resistivity
2.5.17.1
C-96/35/90
MΩ-cm
>10
10
Surface Resistivity
2.5.17.1
C-96/35/90
MΩ
>10
9
Physical
Water Absorption
2.6.2.1
E-1/105+D-24/23
%
0.08
Peel
Strength
(RTF)
0.5 oz
2.4.8
As Received
(After thermal stress)
lb/in
3.5
(3.5)
1.0 oz
2.4.8
As Received
(After thermal stress)
lb/in
4.0
(4.0)
Flexural
Strength
Warp
2.4.4
As Received
MPa
450~510
Fill
As Received
MPa
400~450
Flame Resistance
UL-94
A & E-24/125
-
V-0
Above typical values are tested under specified constructions and not intended for specification.