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Copper etchant

Catalog No. AA44583R0
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1 gal.
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AA44583R0 1 qt.
AA44583LV 1 gal.
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Catalog No. AA44583R0 Supplier Thermo Scientific Chemicals Supplier No. 044583R0
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Description

Iron (III) chloride solution for immersion etching copper, copper alloys and Kovar in printed circuit board applications

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Specifications

Chemical Name or Material Copper etchant
Density 1.19
Quantity 1 qt.
Form Liquid
MDL Number MFCD00161912

Frequently Asked Questions (FAQs)

What is the etch rate of Copper etchant at 40 degrees C?

Copper etchant has an etch rate of 1 mil/minute at 40 degrees C (etches 1 oz copper in 90 seconds).
How do I reduce undercutting of an etchant?

Undercutting of the etchant can be reduced by increasing the rate of stirring or agitation.
Do I need to dilute an etchant?

No, it is a ready-to-use solution. Dilution will only be necessary if you want to reduce the etch rate.
How do I reduce the etch rate of an etchant?

The etch rate of the etchant can be reduced by adding 1 part deionized water to 2 parts etchant. This will reduce the etch rate approximately 50%.
How do I increase the etch rate of an etchant?

The etch rate of the etchant will be increased by increasing the rate of stirring or agitation.

RUO – Research Use Only

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