Ammonium Persulfate Etch Copper On Printed Circuit Boards. New. 250 G

US $140

RU, Russian Federation
Jun 17th

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Description Pictures Description Illustrative of its powerful oxidizing properties, it is used to etch copper on printed circuit boards as an alternative to ferric chloride solution. This property was discovered many years ago. In 1908, John William Turrentine used a dilute ammonium persulfate solution to etch copper. Attention! One unit - 250 grams. Packaging may differ in design (depending on the manufacturer) Shipment We send it registered air mail. Your order will be send in 2-3 days or on the following working day after the payment. Delivery period depends on the work of the post. We are glad to join all the multiple items to the same pack for the less payment. Please ask for revised invoice, when you finish with your purchasing. We will send you the all-in-package bill. Attention! Unfortunately Russian Post does not comply with the timing of delivery of international packages. Your package can be delivered from 2 weeks to 40-43 days. We are very sorry, but we have no influence on the speed of delivery. It's just not in our power. Please be patient. Payment We receive as the approved method of payment. Return a policy In case of your dissatisfaction with the order you can return it back for your account for 14 days after receiving your purchase. We do not pay the expense of release. Our goal is to make you feel satisfied with the product and we will make all the efforts for its embodiment. Please contact us to find out all the necessary information about your order or any other product of the firm. We will support you and count on your satisfaction with our products. Policy of the Feedback We keep a feedback for each order.Please contact us before sending adverse or neutral feedback. We want to have a chance to solve any problem you have. DSR (Detailed Supervision Report) is an important aspect for us. If you feel that you cannot give us 5 stars rate for each rank, please give an advice what we can do to improve the situation. We wish you successful shopping on Ebay! Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application