Wholesale Price Copper Foil Capacitors - Reverse Treated Electrolytic Copper Foil – JM
Wholesale Price Copper Foil Capacitors - Reverse Treated Electrolytic Copper Foil – JM Detail:
Detail
● Thickness: 12um 18um 35um 70um
● Standard Width: 1290mm, range: 300-1300mm, can be cutting as size request.
● Wooden box package
● ID: 76 mm, 152 mm
● Length: Customized
● Sample can be supply
● High precision cutting equipment cut copper foils according to width required by customers.
● The electron microscope and energy disperse spectroscopy equipment guarantee the quality of final product before delivery.
Features
● Reverse treated copper foil
● Low profile, with high peel strength
● Excellent etchability
● The treated foil is pink
Application
● High frequency, applying to hydrocarbon board
● High Tg
● Fine circuit pattern
Typical properties of Reverse Treated Electrolytic 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 |
4.0 |
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 |
40 |
Standard Width, 1295(±1)mm, Width range: 200-1340mm. May according to the customer request tailor.
Product detail pictures:

Related Product Guide:
We persist with the principle of "quality 1st, assistance initially, continual improvement and innovation to meet the customers" for your management and "zero defect, zero complaints" as the standard objective. To great our service, we present the products and solutions while using the very good top quality at the reasonable cost for Wholesale Price Copper Foil Capacitors - Reverse Treated Electrolytic Copper Foil – JM , The product will supply to all over the world, such as: Florence, Spain, Chile, Corporate goal: Customers' satisfaction is our goal, and sincerely hope to establish long-terms stable cooperative relations with customers to jointly develop the market. Building brilliant tomorrow together!Our company regards "reasonable prices, efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits. We welcome potential buyers to contact us.

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