CEM3 Copper Clad Laminate Sheet
1.FEATURES
--Excellent mechanical process ability and punching process applicable
--Electrical properties and PCB processing are similar to FR-4, the wearing of drill bit is much less than FR-4
--IPC-4101B specification is applicable
2.APPLICATION
Photoelectricity, Power supply, TV, Washing machine,Refrigerator, Electronic musical instrument.
3.SPECIFICATION
Usual thickness ranges from 0.8mm to 1.60mm
Usual sizes include: 1030 x 1230 mm; 1090 x 1245 mm
Copper clading: 18um; 25um; 35um
Other specification upon requests.
4.TECHNICAL DATA SHEET
| Peel Strength(1oz) |
Unit |
Test Method
(IPC-TM-650) |
Test Condition |
Spec(IPC-4101) |
Typical Value |
| Thermal Stress |
N/mm |
2.4.8 |
125ºC |
AABUS |
1.75 |
| Float 260ºC,10Sec |
AABUS |
1.79 |
| Bow/Twist |
Sec |
2.4.13.1 |
Float260ºC/unetched |
≥10 |
60 |
| Flexural Strength |
% |
2.4.22.1 |
A |
≤1.0 |
0.5/0.8 |
| Flammability |
N/mm2 |
2.4.4 |
Warp |
≥276 |
355 |
| Fill |
≥186 |
293 |
| Surface Resistance |
Rating |
UL94 |
UL-94 |
UL94 V-0 |
V-0 |
| Volume Resistance |
MΩ |
2.5.17.1 |
C-96/35/90 |
≥1.0 x 104 |
1.0 x 106 |
| Dielectric Constant |
MΩ-cm |
2.5.17.1 |
C-96/35/90 |
≥1.0 x 106 |
1.0 x 107 |
| |
--- |
2.5.5.2 |
Etched/@1MHZ |
≤5.4 |
4.5 |
| Loss Tangent |
--- |
2.5.5.2 |
Etched/@1MHZ |
≤0.035 |
0.020 |
| Arc Resistance |
Sec |
2.5.1 |
D-48/50+D-0.5/23 |
≥60 |
128 |
| Moisture Absorption |
% |
2.6.2.1 |
D-24/23 |
≤0.5 |
0.20 |
| CTI |
V |
IEC 112 |
Etched/0.1% NH4CI |
≥175 |
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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