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China wholesale Cu Tape - VLP ED Copper Foils – CIVEN

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China wholesale Cu Tape - VLP ED Copper Foils – CIVEN Detail:

Product Introduction

The very low profile electrolytic copper foil produced by CIVEN METAL has the characteristics of low roughness and high peel strength. The copper foil produced by the electrolysis process has the advantages of high purity, low impurities, smooth surface, flat board shape, and large width. The electrolytic copper foil can be better laminated with other materials after roughening on one side, and it is not easy to peel off.

Specifications

CIVEN can provide ultra-low profile high temperature ductile electrolytic copper foil (VLP) from 1/4oz to 3oz (nominal thickness 9µm to 105µm), and the maximum product size is 1295mm x 1295mm sheet copper foil.

Performance

CIVEN provides ultra-thick electrolytic copper foil with excellent physical properties of equiaxial fine crystal, low profile, high strength and high elongation. (See Table 1)

Applications

Applicable to the manufacture of high-power circuit boards and high-frequency boards for automotive, electric power, communication, military and aerospace.

Characteristics

Comparison with similar foreign products.

● The grain structure of our VLP electrolytic copper foil is equiaxed fine crystal spherical; while the grain structure of similar foreign products is columnar and long.

● Electrolytic copper foil is ultra-low profile, 3oz copper foil gross surface Rz ≤5µm; while similar foreign products are standard profile, 3oz copper foil gross surface Rz > 3.5µm.

Advantages

● Since our product is ultra-low profile, it solves the potential risk of the line short circuit due to the large roughness of the standard thick copper foil and the easy penetration of the thin insulation sheet by the “wolf tooth” when pressing the double-sided panel.

● Because the grain structure of our products is equiaxed fine crystal spherical, it shortens the time of line etching and improves the problem of uneven line side etching.

● while having high peel strength, no copper powder transfer, clear graphics PCB manufacturing performance.

Performance(GB/T5230-2000、IPC-4562-2000)

Classification

Unit

9μm

12μm

18μm

35μm

70μm

105μm

Cu Content

%

≥99.8

Area Weigth

g/m2

80±3

107±3

153±5

283±7

585±10

875±15

Tensile Strength

R.T.(23℃)

Kg/mm2

≥28

H.T.(180℃)

≥15

≥18

≥20

Elongation

R.T.(23℃)

%

≥5.0

≥6.0

≥10

H.T.(180℃)

≥6.0

≥8.0

Roughness

Shiny(Ra)

μm

≤0.43

Matte(Rz)

≤3.5

Peel Strength

R.T.(23℃)

Kg/cm

≥0.77

≥0.8

≥0.9

≥1.0

≥1.5

≥2.0

Degraded rate of HCΦ(18%-1hr/25℃)

%

≤7.0

Change of color(E-1.0hr/200℃)

%

Good

Solder Floating 290℃

Sec.

≥20

Appearance(Spot and copper powder)

—-

None

Pinhole

EA

Zero

Size Tolerance

Width

mm

0~2mm

Length

mm

—-

Core

Mm/inch

Inside Diameter 79mm/3 inch

Note: 1. The Rz value of copper foil gross surface is the test stable value, not a guaranteed value.

2. Peel strength is the standard FR-4 board test value (5 sheets of 7628PP).

3. Quality assurance period is 90 days from the date of receipt.


Product detail pictures:

China wholesale Cu Tape - VLP ED Copper Foils – CIVEN detail pictures


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Our advantages are lessen charges,dynamic income team,specialized QC,sturdy factories,premium quality services for China wholesale Cu Tape - VLP ED Copper Foils – CIVEN , The product will supply to all over the world, such as: Birmingham, Denver, Guinea, We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.
  • Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Prima from Turkey - 2018.12.30 10:21
    Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
    5 Stars By Ellen from Jordan - 2017.02.18 15:54
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