lead-free solder bar,lead-tin bar
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Tin Ingot
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How to make a new type of tin bar

How to make a new type of tin bar

Oct 31, 2022

10-312022

1. The present utility model relates to the technical field of soldering tin bars, in particular to a new type of tin bar.
2. But the tin bars currently used still have the following problems in use:
3. Most of the existing tin bars are covered with plastic film to isolate the air and reduce the oxidation of the outer wall, but the method of covering with plastic film makes it very inconvenient to use, and the film needs to be killed, and the film is torn off without welding. The part that arrives will also be oxidized, resulting in the worse the welding effect of the back of the soldered tin strip, and the torn film cannot be reused, resulting in waste.
Soldering skills of tin bars

Soldering skills of tin bars

Oct 31, 2022

10-312022

Tin bar is an important welding material for PCBA processing plants. Its good welding effect is welcomed by electronic processing factories. Tin bar is made of pure tin, and the price is relatively expensive. In order to obtain better welding effect, it is necessary to master some Soldering skills.
1. What is tin bar
Tin bar is a kind of solder bar made of pure tin. The bar shape is mainly used for the soldering of circuit boards. It has the advantages of easy tinning, bright solder joints, fullness and no false soldering. It is very suitable for wave soldering and immersion tin furnace.
What are the main application areas of bismuth-tin alloys?

What are the main application areas of bismuth-tin alloys?

Oct 31, 2022

10-312022

Bismuth-tin alloy is mainly a new type of alloy material with low melting point. It can be used as heat-sensitive components such as fuses and fuses in different devices such as solder, fire protection and electrical appliances. It not only has high compatibility and compliance, etc. It also has various advantages such as strong welding strength and accurate melting point, and is widely used in different production fields. So what are the main application areas of bismuth-tin alloys?
1. Casting and mould making.
Definition of Tin Alloys

Definition of Tin Alloys

Oct 28, 2022

10-282022

(1) Tin Alloy crafts
Tin handicrafts are decorative and practical tin and alloy products, representing one of several application fields that consume a large amount of tin metal. As a kind of high-grade metal crafts, tin crafts have rich themes and huge market development space. Tin crafts can be made into wine sets, tea sets, tableware, trophies and other utensils with various embossed patterns. These products have the appearance characteristics of silverware, are non-toxic and harmless, the price is lower than that of silverware, and they are both ornamental
Introduction of Tin Alloys

Introduction of Tin Alloys

Oct 28, 2022

10-282022

Tin-containing alloys, including tin-based tin alloys (except tin-lead solder), and alloys with tin as the main additive element, are an important outlet for tin consumption, accounting for about 23% of the total tin consumption. Mainly used in automobile, locomotive, tractor bearing and heavy machine bearing, among which tin-based babbitt is the most widely used.
(1) Copper-tin alloy
Four temperature standards for lead-free solder paste SMT reflow soldering

Four temperature standards for lead-free solder paste SMT reflow soldering

Oct 28, 2022

10-282022

There is no very accurate standard for the temperature setting of the eight temperature zones of SMT reflow soldering, which is determined according to the quality of SMT solder paste, actual soldered products and SMT reflow soldering machine. It is usually set according to the actual soldering situation based on the temperature range given by the SMT solder paste manufacturer. The standard temperature standard for SMT reflow soldering in eight temperature zones can only have the highest temperature range. The maximum temperature of SMT reflow soldering with lead-free solder paste is about 245°C, and the maximum temperature of SMT reflow soldering with lead solder paste is about 215°C. If the temperature standard of the eight temperature zones of SMT reflow soldering is specifically given, it can only be a reference temperature curve.
The difference between low temperature bismuth tin alloy and lead tin alloy

The difference between low temperature bismuth tin alloy and lead tin alloy

Oct 28, 2022

10-282022

Bismuth-tin alloy is an important part of solder. Generally, solders containing bismuth and melting point below 183 °C are included in fusible alloys. In bismuth-tin alloys, eutectic or hypoeutectic alloys with narrow temperature difference range are formed, and those that can implement temperature control requirements are called bismuth-tin alloys. Bismuth-tin alloys are gradually developed and extended on the basis of fusible alloys, bismuth-tin alloys and tin-lead solders. The two have both continuity and difference. The main differences with tin-lead solders are:
Reasons and countermeasures for yellowing and blackening of PCB solder paste soldering

Reasons and countermeasures for yellowing and blackening of PCB solder paste soldering

Oct 27, 2022

10-272022

Most electronic circuit board manufacturers will encounter some problems more or less when using solder paste for soldering. For example, false soldering, false soldering, tin beading, sharpening, yellowing, blackening, etc.
Causes and Countermeasures of Solder Paste Yellowing
What are the steps in the whole soldering process of lead-free tin wire soldering

What are the steps in the whole soldering process of lead-free tin wire soldering

Oct 27, 2022

10-272022

We all know that the use of lead-free soldering materials will have a serious impact on the soldering process. Therefore, in the lead-free soldering process, the selection of soldering materials is the most challenging. Because for lead-free soldering process, the selection of lead-free tin wire, solder paste, flux and other materials is the most critical and most difficult. The type of solder components, the type of circuit board, and their surface finish should also be considered when selecting these materials.
The production, classification and application of tin wire in the market

The production, classification and application of tin wire in the market

Oct 27, 2022

10-272022

Understanding the production process of tin wire is also very helpful for us to buy, so suppliers of lead-free tin bars must understand.
In the processing of electronic components, tin wire is a frequently used element. So, do we know how the tin wire is produced? Next, let's take a look at its technological process.
The first step: referring to the relevant standards, prepare the corresponding tin, lead, rosin, antioxidants and other raw materials.
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Catherine Fannie Avril
Chtherine Fannie Avril