Laminate type |
Composition |
Operating temperature range
, оС |
Applications |
Dimensions |
FR
-4 |
Woven Glass
cloth;
Epoxy resins, flame resistant, UV-blocking; Copper foil, electrodeposited |
From minus 60 to plus 155 |
Used for printed circuit boards, including lead-free technology, the manufacture of cosumer appliances, industrial equipment,
computers
|
Sheets size
:
(1220 x 1020) +20 / -0 mm (1200 x 1000) +20 / -0 mm (1100 x 1000) +20 / -0 mm Thickness: 0,8-3,0 mm |
PROPERTIES
|
NEMA
-L1 1-1989
|
FR-4
|
|||
|
IPC 4101
|
L 21
|
|||
|
Property
|
Test1 method
|
Unit
|
Values
|
|
|
Requirement
|
Typical2
|
|||
Peel strength, minimum
|
2.4.8
|
Kg/M
|
||
A. After thermal stress
|
105
|
210
|
||
B. At
125 °С
|
90
|
2
00
|
||
C. After process solutions
|
90
|
2
00
|
||
Volume Resistivity, minimum
|
2.5.17.1
|
MOm·cm
|
||
A. С-96/35/90
|
1
×106
|
1
×109
|
||
B. After moisture resistance
|
-
|
|||
C. At elevated temperature E-24/125
|
1
×103
|
1
×106
|
||
Surface Resistivity, minimum
|
2.5.17.1
|
MOm
|
||
A. С-96/35/90
|
1
×104
|
1
×108
|
||
B. After moisture resistance
|
-
|
-
|
||
C. At elevated temperature E-24/125
|
1
×103
|
1
×107
|
||
Moisture Absorption, maximum
|
2.6.21
|
%
|
0,5
|
0.2
|
Dielectric Breakdown, minimum
|
2.5.6
|
kV
|
40
|
40
|
Permittivity @ 1 Mhz, maximum
|
2.5.5.3
|
-
|
5,4
|
4,1
|
Loss tangent @ 1 Mhz, maximum
|
2.5.5.3
|
-
|
0,035
|
0,017
|
Flexural strength,
minimum
|
2.4.4
|
Kg/M2
|
||
A. Length direction
|
4,23
×107
|
5,80
×107
|
||
B. Cross direction
|
3,52
×107
|
4,20
×107
|
||
Flexural Strength
@ Elevated Temperature, length direction, minimum
|
2.4.4.1
|
Kg/M2
|
-
|
2,00
×107
|
Arc resistance, minimum
|
2.5.1
|
Sec
|
60
|
60
|
Termal stress 10 Sec@288°C, minimum
|
2.4.13.1
|
|||
A.Unetched
|
Pass Visal
|
|||
B. Etched
|
Pass Visal
|
|||
Flammability
|
2.3.10
|
Sec
|
||
A.Average burn time, maximum
|
5
|
2
|
||
B. Individual burn time, maximum
|
10
|
5
|
||
Bow and Twist at the length 1000 mm, maximum:
A
Single sided
B.
Double sided
|
ASTM D709
|
%
|
-
-
|
0,7
0,5
|
Dimensional stability
|
2.4.39
|
Range
|
A
|
|
Glass transition range, minimum
|
ºС
|
135 - 155
|
||
Copper foil thickness
|
µ
m
|
18; 35; 50; 70; 105
|
||
Marking (mark CJSC "Zavod " Moldavizolit " indicates on board computer processing and fire resistance class)
|
|
|||
1 All methods are from IPC-TM-650 unless otherwise noted.
2 Indicator values are shown for sheets of material 1,5 mm with a foil 35 microns.
Listed in the table are informational. On this basis, claims for quality can not be justified.