Good Quality Emi Shielding Copper Foil 140um - Low Coarsening Reverse Treated Copper Foil – JM
Good Quality Emi Shielding Copper Foil 140um - Low Coarsening Reverse Treated Copper Foil – JM Detail:
Detail
● Thickness: 12um 18um 35um 70um
● Standard Width: 1290mm, we can do cutting as size requirement
● Wooden box package
● ID: 76 mm, 152 mm
● Length: Customized
● Sample can be supply
● Lead time: 15-30days
● Term: FOB, CIF…
● Payment item: 50%T/T deposit, balance pay before shipping.
Features
● Reverse treated copper foil
● Low profile, with high peel strength
● The treated foil is pink
● As reverse-treated copper foil, this product has better etchability performance. It can effectively shorten the production process, achieve higher speed and fast micro-etching, and improve the conformance rate of PCBs.
Application
● High frequency, Ultra -high frequency, applying to PPE board
● Fine circuit pattern
● It is mainly applied in multilayered boards and high-frequency boards.
Typical Properties of Low Coarsening Reverse Treated Copper Foil
Classification |
Unit |
Requirement |
Test Method |
|||||
Nominal thickness |
um |
12 |
18 |
35 |
70 |
IPC-4562A |
||
Area Weight |
g/m² |
107±5 |
153±7 |
285± 10 |
585± 20 |
IPC-TM-650 2.2.12 |
||
Purity |
% |
≥99.8 |
IPC-TM-650 2.3.15 |
|||||
Roughness |
Shiny side (Ra) |
um |
3.0 |
IPC-TM-650 2.2.17 |
||||
Matte side(Rz) |
um |
≤5.0 |
≤6.0 |
≤8.0 |
≤10 |
|||
Tensile Strength |
R.T.(23°C) |
Mpa |
≥276 |
IPC-TM-650 2.4.18 |
||||
H.T.(180°C) |
≥138 |
|||||||
Elongation |
R.T.(23°C) |
% |
≥4 |
≥4 |
≥8 |
≥12 |
IPC-TM-650 2.4.18 |
|
H.T.(180°C) |
≥3 |
≥4 |
≥4 |
≥4 |
||||
Peel Strength(FR-4) |
N/mm |
≥1.0 |
≥1.2 |
≥1.4 |
≥1.8 |
IPC-TM-650 2.4.8 |
||
Lbs/in |
≥5.7 |
≥7.4 |
≥8.0 |
≥10.2 |
||||
Pinholes & porosity |
Numbers |
No |
IPC-TM-650 2.1.2 |
|||||
Anti-oxidization |
R.T.(23°C) |
Days |
90 |
|
||||
H.T.(200°C) |
Minutes |
30 |
Standard Width,1295(±1)mm, Width range:200-1340mm. May according to the customer request tailor.
Electrolytic copper foil Image
Product detail pictures:

Related Product Guide:
We are experienced manufacturer. Wining the majority of the crucial certifications of its market for Good Quality Emi Shielding Copper Foil 140um - Low Coarsening Reverse Treated Copper Foil – JM , The product will supply to all over the world, such as: El Salvador, Madagascar, Denmark, We taking advantage of experience workmanship, scientific administration and advanced equipment, ensure the product quality of production, we not only win the customers' faith, but also build up our brand. Today, our team is committed to innovation, and enlightenment and fusion with constant practice and outstanding wisdom and philosophy, we cater to the market demand for high-end goods, to do experienced products and solutions.

We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
