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Note: according to user requirements of nano particle, we can provide different size products. Product performance Gamma phase nano alumina powder, the particle size distribution is uniform, high purity, good dispersion, the specificsurface area is high, with high temperature resistance, high activity, belongs to active alumina. Application direction Surface effect is one of the important characteristics of nano materials, as the particle size decreases, specific surface area increased greatly, and the activity of catalyst and its specific surface area is closely related to the size, if the catalytic reaction speed is not limited by mass transfer process, the catalytic activity is proportional with its specific surface area,high specific surface area is advantageous to the high dispersion of the active components of the catalyst, and beneficial to the improvement of the catalyst activity. Gamma-phase nano alumina has a strong selectivity, the particle size is small, and has many fine holes, the catalyst carrier performance is several times better than that of similar products we currently use, and it is widely used in the petrochemical field. 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. | ||||||||||||||||||||||||||||
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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