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Note: Customized service is offered as per specific requirement, such as particle size, surface treament, nano dispersion, etc.. Professional high quality customization makes more efficient application. Application direction of Ultrafine Silver Powders: 1. The basic structure of crystalline silicon solar cells includes P-type silicon substrate, N-type layer, minus reflection film (TIO2, SIO2 or SI3N4), positive silver electrode, back aluminium electrode, and back silver electrode. and the back silver electrode is formed by silver conductor paste through screen printing and sintering. 2. Conductive paste of solar cells back silver electrode is mainly composed via the three parts: the conductive function phase, inorganic binder, organic carrier and other raw materials. what's more, thesilver powderhas good conductive heat conduction performance, and cheap is better relative to other precious metals. In practical applications, on the basis of guarantee electric performance, the back silver paste also must have enough adhesion and welding strain. Storage conditions This product should be stored in dry, cool and sealing of the environment, can not be exposure to air, in addition should avoid the heavy pressure, according to ordinary goods transportation. | ||||||||||||||||||
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Precous metal powders series | ||||||||||||||||||
Q: Can you draw up a quote/proforma invoice for me? A: Yes, our sales team can provide official quotes for you.However, you must first specify the billing address, shipping address, e-mail address, phone number and shipping method. We cannot create an accurate quote without this information. Q: How do you ship my order? Can you ship “freight collect”? A: We can ship your order through Fedex, TNT, DHL, or EMS on your account or prepayment. We also ship"freight collect" against your account. You will receive the goods in Next 2-5 Days after shipments, For items that are not in stock, the delivery schedule will vary based on the item.Please contact our sales team to inquire whether a material is in stock. Q: Do you accept purchase orders? A: We accept purchase orders from customers that have acredit history with us, you can fax, or email the purchase order to us. Please make sure the purchase order has both the company/institution letterhead and authorized signature on it. Also, you must specify the contact person, shipping address, email address, phone number, shipping method. Q: How can I pay for my order? Q: About the payment, we accept telegraphic transfer,western union and PayPal. L/C is only for above 50000USD deal.Or by mutual agreement,both sides can accept the payment terms. No matter which payment method you chose, please send us the bank wire by fax or email after you finished your payment. Q: Are there any other costs? A: Beyond product costs and shipping costs, we do not chargeany fees. Q: Can you customize a product for me? A: Of course. If there is a nanoparticle that we do not have in stock,then yes, it is generally possible for us to get it produced for you. However,it usually requires a minimum of quantities ordered, and about 1-2 weeks lead time. Q. Other. A: According to every specific orders, we will discuss with customer about the suitable payment method, cooperate with each other to better complete the transportation and related transactions. | ||||||||||||||||||
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