lead-free solder bar,lead-tin bar
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Tin Ingot
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Lead-free Solder Bar Tin Silver Copper Solder Bar Sn99 Ag0.3 Cu0.7 Tin Bar High Temperature Resistant Pure Tin Bar High Purity Tin Bars Antioxidant Solder Bar Low Temperature Tin Bar No-clean Tin Bar sn99.95 Tin Bar
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Points to pay attention to when replacing lead-free environmentally friendly tin bars

Points to pay attention to when replacing lead-free environmentally friendly tin bars

Nov 18, 2022

11-182022

The lead-free environmentally friendly tin bar runs in the wave furnace for a long time, and other metal elements are precipitated to form the lead-free environmentally friendly tin bar. The increase in other metal content and impurities will affect the soldering effect of the lead-free solder bar and the oxidation of the lead-free solder bar. If the speed is too fast, the amount of tin slag will increase.
Characteristics and application of lead-free environmentally friendly solder paste

Characteristics and application of lead-free environmentally friendly solder paste

Nov 18, 2022

11-182022

The lead-free environmentally friendly solder paste is in accordance with the IEC halogen-free standard, the EU "RoHS" standard and the American IPC-TM-650 standard, using a new high-value modified rosin resin with high oxidation resistance and composite anti-oxidation soldering environmental protection technology.
Lead-free environmentally friendly solder paste manufacturers share the formula of solder paste with you

Lead-free environmentally friendly solder paste manufacturers share the formula of solder paste with you

Nov 18, 2022

11-182022

Solder paste is a homogeneous mixture with certain viscosity and good thixotropy. At room temperature, solder paste can initially stick electronic components to a predetermined position. When heated to a certain temperature (melting point), with the volatilization of solvents and some additives and the melting of alloy powder, the soldered components and pads are connected. Together, they cool to form permanently connected solder joints. Lead-free environmentally friendly solder paste manufacturers share with you the formula of solder paste:
Lead-free solder used in lead-free environmentally friendly solder paste has become a reality

Lead-free solder used in lead-free environmentally friendly solder paste has become a reality

Nov 17, 2022

11-172022

Lead-free solder used in lead-free environmentally friendly solder paste has become a reality today. These flux formulations enhance the soldering process and are formulated to provide excellent wetting performance and the increased chemical and thermal stability required for lead-free assembly. Traditional fluxes used with tin-lead alloys are not necessarily adequate to prevent the slow wetting of lead-free alloys and the higher temperatures typically associated with lead-free solders.
Anti-oxidation alloy ratio of lead-free environmental protection tin bar

Anti-oxidation alloy ratio of lead-free environmental protection tin bar

Nov 17, 2022

11-172022

Lead-free environmentally friendly tin bars are basically lead-free tin bars, usually made of lead-free pure tin, pure copper or pure silver, and anti-oxidation alloys in proportion, and then processed by high-temperature dissolution, refining, impurity removal, and other processes. The alloy products are cast into strips with molds or die-cast into strips by hydraulic presses, so they are called lead-free solder strips.
What are the main reasons for the drying of lead-free environmentally friendly solder paste?

What are the main reasons for the drying of lead-free environmentally friendly solder paste?

Nov 17, 2022

11-172022

There are two main reasons why the lead-free environmentally friendly solder paste dries out:
1. For example, the formula is not good, the temperature is too high, and the solvent evaporates quickly. If the humidity is too high, the solder paste will absorb water, and it will interact with the rosin in the solder paste to make it dry. If you think about it from the perspective of formula, it is generally not because of the use of alcohol. Indeed, there are many solder pastes that use alcohol. , but it seems that ethanol has not been seen, and more ethers are used.
What are the characteristics of solid core solder wire, and how to distinguish it from rosin solder wire?

What are the characteristics of solid core solder wire, and how to distinguish it from rosin solder wire?

Nov 17, 2022

11-172022

The main solder raw materials in the solder industry include solder wire, solder bar and solder paste. According to different production processes, solder wire can be divided into solid core solder wire and rosin solder wire. In the previous article, we have also popularized solid core solder wire and solder wire. The knowledge of rosin solder wire, so what are the characteristics of solid core solder wire, how to distinguish it from rosin solder wire, today we have collected some information for everyone to analyze as follows:
4 tips for identifying PCB solder paste process

4 tips for identifying PCB solder paste process

Nov 16, 2022

11-162022

With the widespread use of lead-free solder paste in the electronics industry, many people are wondering, does it mean that all PCBA boards are lead-free and use lead-free solder paste? In fact, this is not the case. Often times, cost issues or other issues will be considered, which will cause many circuit board manufacturers to continue to use lead-based processes. So how to distinguish whether a PCB board is lead-free or leaded?
Selection and use of electric soldering iron when soldering tin wire

Selection and use of electric soldering iron when soldering tin wire

Nov 16, 2022

11-162022

The welding effect of solder wire is good or bad, and the choice of electric soldering iron is very important. Because the tinning of the solder wire mainly depends on the temperature of the soldering iron tip to melt it to achieve the final purpose of soldering.
Solder balls appear in wave soldering

Solder balls appear in wave soldering

Nov 16, 2022

11-162022

What are the important ingredients in tin bars?

Tin bar is an important soldering auxiliary material in the soldering process of electronic products. Its main function is to apply to wave soldering or tin furnace circuits. plate welding. So what are the important ingredients in tin bars?
Tin bar literally means that its main component is tin, so in addition to tin, there are elements such as lead, copper, silver, etc., and even a small amount of other elements, such as nickel, antimony, bismuth, In, rare earth, etc. It is often said in the industry that leaded tin bars are mainly composed of tin-lead alloy components. According to the ratio of alloy components, they can be divided into various specifications such as common Sn63Pb37, Sn60Pb40, Sn55Pb45, Sn50Pb50, etc.
Lead-free tin bars are commonly composed of tin-copper alloys, tin-silver-copper alloys and other trace alloy elements. To improve the wettability and spreadability, but if the amount added is too large, the fatigue life and plasticity of the solder joint will be reduced. Among the systematically designed chemical components, it is obviously hoped that the properties of tin bars can achieve an optimal balance, such as welding performance, melting temperature, strength, plasticity and fatigue life. Therefore, every process detail and synthetic element in the production process of tin bars is very critical to the quality of the final tin bars.
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Catherine Fannie Avril
Chtherine Fannie Avril