Copper clad laminate epoxy resin sheet CEM series
Description
Feature:
● Halogen-free, Friendly to the environment
● Excellent punching property, Suitable for punching at 35℃~60℃
● Excellent heat and humidity resistance
● Warpage and twist are small and stable.
● IPC-4101D/ 15 specification is applicable
General Properties:
|
Item
|
Unit
|
Test Method (IPC-TM-650)
|
Test Condition
|
Specification （IPC-4101D）
|
|
Peel Strength (1 oz. )
|
N/mm
|
2.4.8
|
125℃
|
—
|
|
Float 260℃ / 10 Sec
|
≥1.05
|
|||
|
Thermal Stress
|
Sec
|
2.4.13.1
|
Float260℃/unetched
|
≥10
|
|
Bow / Twist
|
%
|
2.4.22.1
|
A
|
≤ 1.5
|
|
Flexural Strength
|
N/mm2
|
2.4.4
|
Length direction
|
≥242
|
|
Cross direction
|
≥172
|
|||
|
Flammability
|
Rating
|
UL94
|
UL-94
|
UL94 V-0
|
|
Surface Resistivity
|
MΩ
|
2.5.17.1
|
C-96/35/90
|
≥1.0×104
|
|
Volume Resistivity
|
MΩ-cm
|
2.5.17.1
|
C-96/35/90
|
≥1.0×106
|
|
Dielectric Constant
|
—
|
2.5.5.2
|
Etched/@1 MHZ
|
≤5.4
|
|
Loss Tangent
|
—
|
2.5.5.2
|
Etched/@1 MHZ
|
≤0.035
|
|
Arc Resistance
|
Sec
|
2.5.1
|
D-48/50+D-0.5/23
|
≥60
|
|
Moisture Absorption
|
%
|
2.6.2.1
|
D-24/23
|
≤0.5
|
|
Comparative Tracking Index
|
V
|
IEC 60112
|
Etched/0.1% NH4CL
|
≥175
|
Purchasing Information:(Other sheet size and thickness could be available upon request)
|
Type
|
Thickness
|
Copper Cladding
|
Regular Size（mm）
|
CTI Value
|
|
KB-5252
|
0.8mm ~ 1.6mm
|
18μm
|
915*1220mm（36″*48″）
|
175 V
|
|
35μm
|
1020*1220mm（40″*48″）
|
|||
|
70μm
|
1067*1220mm（42″*48″）
|
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