lead-free solder bar,lead-tin bar
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Tin Ingot
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Solder Wire Solder Wire Solder Bar Tin Bar Tin Wire Various Uses

Solder Wire Solder Wire Solder Bar Tin Bar Tin Wire Various Uses

Sep 08, 2022

09-082022

The production and maintenance process of electronics, hardware, clocks, toys, accessories and other industries are inseparable from soldering, so lead-free tin bar soldering materials are indispensable in these jobs. The melting point of solder varies with the ratio of tin to lead, and the melting point of tin-lead alloys is lower than that of any other alloy. High-quality solder has a tin-lead ratio of 63% tin and 37% lead. The melting point of this proportion of solder is 183°C. Some poor-quality solders have higher melting points, and the solder joints are rough and slag-like after solidification, which is due to the high lead content in the solder.
Soldering innovation of solder wire, tin bar and solder paste

Soldering innovation of solder wire, tin bar and solder paste

Sep 08, 2022

09-082022

Solder wire, tin bar, solder paste welding material, electronic products are produced. Because the melting point of copper is 1085C, the melting point of solder wire, tin bar, and solder paste is 2353C, or even lower. As long as it is assisted by solder wire, tin bar, and solder paste, it can reduce more than 800 degrees, which significantly reduces production costs and technical barriers.
Solder paste quality inspection steps

Solder paste quality inspection steps

Sep 08, 2022

09-082022

1. For solder powder detection, the particle size of tin powder can be measured with a high magnification microscope to check the distribution of tin powder particles. It is relatively high, which proves that the quality of this solder paste solder powder is relatively good, and it will not affect the quality of SMD printing on the stencil.
How to reduce solder paste waste

How to reduce solder paste waste

Sep 08, 2022

09-082022

Solder paste manufacturer's suggestion 1: Choose a suitable solder paste.
The main component of solder paste is a paste made by mixing metal powder and flux. Can the electronic components be well attached to the circuit board during the production process of the SMT manufacturer? The quality of lead-free solder paste is a very critical control point. A suitable solder paste can not only improve the soldering yield of the production line, but also greatly improve the soldering performance of the circuit board, which is the most reliable guarantee for the soldering quality of the circuit board. A good quality solder paste will have the following parameters.
The reason for the large amount of tin slag in the tin bar?

The reason for the large amount of tin slag in the tin bar?

Sep 07, 2022

09-072022

There are many reasons for the generation of tin dross, involving product quality, operation methods and maintenance methods of machinery and equipment, welding materials, etc. It is often encountered that many factories do not care about the height of the tin surface. Some tin bar factories with the same specifications and series use only about 5KG/8 hours of tin dross, while others use more than 10 kg/8 hours of tin dross.
Environmental requirements for lead-free solder bars in the electronics industry

Environmental requirements for lead-free solder bars in the electronics industry

Sep 07, 2022

09-072022

The earliest and most important driving force for the electronics manufacturing of lead-free products mainly comes from two EU directives (WEEE and ROHS). These regulations explicitly prohibit the use of heavy metals such as lead, cadmium, mercury and hexavalent chromium in electrical and electronic products. PBB and PBDE are two flame retardant materials.
What is tin bar? The role of tin bar?

What is tin bar? The role of tin bar?

Sep 07, 2022

09-072022

Tin bar is a solder product. There are two types of tin bars: leaded tin bars and lead-free tin bars, both of which are used for circuit board soldering. Made of pure tin, good wetting and fluidity, easy to tinplate. The solder joints are bright and full, and there will be no welding and other undesirable phenomena. Add enough antioxidant elements, strong antioxidant ability. Made of pure tin, reducing tin dross and reducing unnecessary waste.
What should be paid attention to when welding lead-free solder wire

What should be paid attention to when welding lead-free solder wire

Sep 07, 2022

09-072022

When using lead-free solder wire, you must be careful not to touch the road surface with your hand, and feel that the battery is charged, including the solder pen cover, which may cause an electric shock accident. Professional technicians should also wear protective clothing as much as possible during the operation, mainly because liquid organic solvents will be generated during the whole process of electric welding, and it is very easy to burn and blister without wearing protective clothing.
How many degrees should the lead-free tin bars be set properly during use?

How many degrees should the lead-free tin bars be set properly during use?

Sep 06, 2022

09-062022

Generally speaking, we should set the appropriate degree during use. I believe that many technical experts will discuss this issue. The general temperature of lead-free solder bar welding is set to 280 plus or minus 10 degrees, because there is no preheating for manual dip soldering. , so the temperature setting is generally higher.
Is the solder rod and the welding rod the same welding material?

Is the solder rod and the welding rod the same welding material?

Sep 06, 2022

09-062022

First of all, it is certain that solder bars and welding rods are not the same thing. solder bars are a kind of product in soldering tin. The main components are alloys composed of tin, silver, copper, lead and other metals. According to environmental protection standards, they can be divided into lead Two kinds of tin bars and lead-free environmentally friendly tin bars are widely used in the electronics industry, and are generally used for circuit connection of integrated circuits or welding of small items on circuit boards.
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Catherine Fannie Avril
Chtherine Fannie Avril