Everyone should be clear that solder paste is divided into leaded and lead-free types. The ratio of leaded solder paste is:SN63PB37Lead-free solder paste95.4S/3.1Ag/1.5CuSo the gold content of these will also vary. Therefore, when choosing the corresponding products, everyone should pay attention. Now, the solder paste manufacturer will explain some of their functions to you? inSMTIn the manufacturing process, it is used63tin／37Lead (tin accounts for 63 percent of the weight of the tin-lead alloy, lead accounts for 37 percent, melting point is.183℃It is the main one, and it can also be used......
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Generally speaking, solder wires are divided into two types, which everyone should be quite clear about. Different types of solder wires have different tin contents. Among them, the main components of lead solder wires are lead and tin. Therefore, for many industries, they are also different, and the products used may be different. Now, JJY solder Paste will take you to understand: The common classifications of solder wire include leaded solder wire and lead-free solder wire1Common specifications of leaded solder wire include63tin/37Lead60tin......
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The price of tin is2022In the first quarter of the year, the overall trend of tin prices continued to shift upward. This was mainly due to the fact that, against the backdrop of the global "dual carbon" goals and the strong willingness to expand production due to the global chip shortage, the market was unanimously optimistic about the prospects of tin, and the weighted price of tin in Shanghai rose in the first quarter52156yuan/Tons, with a cumulative increase of17.82%. Against the current backdrop, the market is unanimously optimistic about the prospects of tin.2After the Spring Festival in the month, many enterprises extended their holidays, which led to a decline in the operating rate of smelters, coupled with Jiangsu......
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Recently, the price of tin has been fluctuating constantly every day. Many merchants encounter a common problem when customers who need solder wire, solder rods, and solder paste make purchases. They often discuss what the price is today. Ah! Come on! The price of tin is so high?"The price is so high. Did the boss make a mistake in his calculation?" When will the price of tin drop? "Then I'll check again in two days." "Has the price of tin dropped?" "No. It went up again today??" I should have listened to you. I placed the order yesterday.......
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The Qingming Festival has come again. The drizzle is continuous, like tears. The leaves sway in the wind. My heart aches for you. Dear ones far away in heaven, do you know how much we miss you? Due to the severe epidemic this year, have you received the longing of those who are unable to return home? For someone like me who is striving outside and can't return home to pay tribute to our ancestors, then let's do it right there. Where the person is, that's where the remembrance follows~~Prepare a sumptuous meal, delicious dishes and fine wine, and present them to our ancestors right there......
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SHENZHEN JIAJINYUAN INDUSTRIAL TECHNOLOGY CO., LTD.
Tel：+86 0755 88366766
Phone：+86 18938660310
Email：sales@jjyhanxi.com
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