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2021 wholesale price Polished Brass Sheet - Rolled Copper Foils for Battery – CIVEN

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Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for Copper Foil Adhesive Tape, Insulated Copper Strip, Brass Foil Roll, As an expert specialized within this field, we've been committed to solving any problem of high temperature protection for users.
2021 wholesale price Polished Brass Sheet - Rolled Copper Foils for Battery – CIVEN Detail:

Product Introduction

The Battery Rolled Copper Foil is a cathode material produced by CIVEN METAL specifically for high-end batteries. The uniform thickness and flat shape of the copper foil makes it easy to coat and not to peel off; the uniform grain size of the material can effectively increase the charge/discharge times of the battery and reduce battery failure and improve cycle life; the purity of the copper foil is extremely high and it has excellent electrical conductivity; and the rolled copper foil produced by CIVEN METAL has excellent flexibility and hydrophilic. We can also customize our products to meet different customer requirements.

Calendered copper foil is a product made by repeatedly rolling and annealing high-precision copper strip (thickness is usually less than 150 microns) based on the principle of plastic processing (thickness is usually between 4-100 microns and width is usually less than 800 mm). Its ductility, bending resistance and conductivity are better than electrolytic copper foil, and the copper purity is also higher than electrolytic copper foil

Copper foil is an indispensable raw material for making printed circuit board (PCB), copper clad laminate (CCL) and lithium-ion battery. Flexible circuit board is flexible, which gets rid of the limitations of conventional circuit plane design, and can arrange lines in three-dimensional space. Its circuit is more flexible and has higher technical content. Calendered copper foil has become the best choice for manufacturing flexible printed circuit board because of its flexibility and bending resistance.

Specification

Thickness range: 9 ~ 70 μm (0.00035 ~ 0.028 inches)

Width range: 150 ~ 650 mm (5.9 ~ 25.6 inches)

Performance

Comparison for RA & ED copper foil

Item

RA copper foil

ED copper foil

Craft

Physical Rolling

Chemical Electrolysis

Precision

Very good

Good

Purity

Higher

High

Strength

Higher

High

Toughness

Very Good

Good

Bendability

Very Good

Good

Elasticity

Higher

High

Density

Higher

High

Tensile

Higher

High

Crystal Structure

Rolling Organization

Needle-like crystals

Surface

Shiny

Matte

Appearance Consistency

Good

Good

Applications

Power batteries,  polymer batteries and other battery materials.

Advantage

The material itself has good surface consistency, high elongation, flexibility, uniformity and hydrophilic.


Product detail pictures:

2021 wholesale price Polished Brass Sheet - Rolled Copper Foils for Battery – CIVEN detail pictures


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During the past few years, our business absorbed and digested state-of-the-art technologies the two at home and abroad. Meanwhile, our firm staffs a group of experts devoted to your development of 2021 wholesale price Polished Brass Sheet - Rolled Copper Foils for Battery – CIVEN , The product will supply to all over the world, such as: Mongolia, Barbados, Angola, Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question items they do not understand. We break down people barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion .
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Edwina from Somalia - 2017.09.30 16:36
    We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.
    5 Stars By Renee from Cyprus - 2017.06.25 12:48
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