CEM1 Copper Clad Laminate Sheet
1.FEATURES
--Excellent punching property, Suitable for punching at 45ºC~70ºC
--Good heat resistance and moisture resistance
--IPC 4101 specification is applicable
--Plated through holes are not recommended for the
cellulose core is easily attacked by the electrolyte
2.APPLICATION
Display, VCR, Power supply, Industrial Instrument, Digital sound recorder, etc.
3.TECHNICAL DATA SHEET
| Test Item |
Unit |
Test Method
(IPC-TM-650) |
Test Condition |
Spec(IPC-4101) |
Typical Value |
| Peel Strength(1oz) |
N/mm |
2.4.8 |
125ºC |
-- |
1.65 |
| Float 260ºC/10Sec |
≥1.05 |
1.70 |
| Thermal Stress |
Sec |
2.4.13.1 |
Float288ºC/unetched |
≥10 |
20 |
| Bow/Twist |
% |
2.4.22.1 |
A |
≥1.5 |
0.3/0.4 |
| Flexural Strength |
N/mm2 |
2.4.4 |
Warp |
≥242 |
420 |
| Fill |
≥172 |
290 |
| Flammability |
Rating |
UL94 |
UL-94 |
UL94 V-0 |
V-0 |
| Surface Resistance |
MΩ |
2.5.17.1 |
C-96/35/90 |
≥1.0 x 104 |
1.0 x 106 |
| Volume Resistance |
MΩ-cm |
2.5.17.1 |
C-96/35/90 |
≥1.0 x 106 |
1.0 x 108 |
| Z-axis Expansion |
ppm/ºC |
2.4.24 |
E2/--105 TMA |
-- |
100/320 |
| % |
-- |
6.0 |
| Dielectric Constant |
--- |
2.5.5.2 |
Etched/@1MHZ |
≤5.4 |
4.6 |
| Loss Tangent |
--- |
2.5.5.2 |
Etched/@1MHZ |
≤0.035 |
0.023 |
| Arc Resistance |
Sec |
2.5.1 |
D-48/50+D-0.5/23 |
≥60 |
125 |
| Moisture Absorption |
% |
2.6.2.1 |
D-24/23 |
≤0.5 |
0.25 |
| CTI |
V |
IEC 112 |
Etched/0.1% NH4CI |
AABUS |
175/300/600 |
FAQ
Q: Are you trading company or manufacturer ?
A: Both
Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 5--15days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ?is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shipment.
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