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Home > Company News
Master the storage and correct use of solder paste.

Master the storage and correct use of solder paste.

Sep 02, 2022

09-022022

Validity period of solder paste: When sealed and stored at 0℃~10℃, the validity period is 6 months. (Note: Before putting the new solder paste in the refrigerator, attach the status label, date it and fill out the solder paste entry and exit control form.)
What is the difference between lead and lead-free solder wire

What is the difference between lead and lead-free solder wire

Sep 02, 2022

09-022022

The reason for the large amount of welding residues in wave solder bars

The reason for the large amount of welding residues in wave solder bars

Sep 01, 2022

09-012022

The management and adjustment of the wave soldering furnace during the welding process of the wave soldering bar is very important. If the operation is improper, there will be a lot of solder residue and the board will be dirty. :
Analyze the connection between solder wire and flux spatter

Analyze the connection between solder wire and flux spatter

Sep 01, 2022

09-012022

At present, most of the solder wires we see on the market are flux-cored, rosin-cored solder wires, and rosin is the most important raw material for making fluxes. The production of solder wires mainly requires tin, lead, copper, silver and other major non-ferrous metal raw materials In addition, the flux is synthesized, etc., so the role of the flux is extraordinary, and it is more troublesome to operate in the subsequent soldering process without the flux. What effect or connection does flux have on solder wire spatter?
Skills of quickly dragging soldering components with solder wire

Skills of quickly dragging soldering components with solder wire

Aug 31, 2022

08-312022

Dragging tin is a kind of solder wire welding process. Its purpose is to ensure the reliability of welding and prevent false soldering. Operators who are engaged in solder wire welding operations must be very familiar with it. Let's talk about the tin dragging skills and precautions when soldering the solder wire:
Differences between different tin wires

Differences between different tin wires

Aug 31, 2022

08-312022

Solder wire is one of the indispensable accessories in the welding of electronic products. It can be divided into lead-free solder wire and leaded solder wire according to whether it is environmentally friendly. The lead content is a small amount, less than 1000PBM meets the ROHS environmental protection standard, and the content of tin in the alloy composition is relatively high, as well as other metal elements such as silver and copper.
Tin content of solder wire in the solder industry

Tin content of solder wire in the solder industry

Aug 30, 2022

08-302022

The question of the tin content of solder wire is believed to be asked by many industry personnel or purchasers when they consult solder wire. In solder products, the tin content of solder wire ranges from 15% to 99.95%. , So what should the tin content of the solder wire be? Different types of solder wire have different tin content.
Correct working temperature of solder wire and key points of soldering operation

Correct working temperature of solder wire and key points of soldering operation

Aug 30, 2022

08-302022

In the post-welding process or maintenance of electronic and electrical products, solder wire is the most indispensable connection material. When soldering the solder wire, the temperature should be effectively controlled to ensure that the solder wire has a good welding. effect.
BGA tin ball use and maintenance

BGA tin ball use and maintenance

Aug 23, 2022

08-232022

1. When using, please take out the necessary amount each time to avoid taking too much at one time.

2. The used solder balls should be kept separately in containers.

3. When the solder ball is used again, the reliability of use must be confirmed again before use.

4. When using the solder ball, do not shake or vibrate vigorously.

5. The flux and solder paste should not be too much or too little during ball placement.

Solder ball maintenance method

1. The storage condition is 25±10℃, the relative humidity is below 60%RH, and the storage period is 12 months

2. The temperature and humidity of the use environment should be the same as the storage conditions.

3. The storage place should try to avoid the solder balls from vibration, moisture and light exposure.

4. It is recommended that the tin balls that are not used temporarily should be stored in the original tin ball bottle, and the inner and outer lids should be locked.

5. The quality of the solder balls may be reduced due to vibration, moisture and light exposure.

6. Please try not to open the lid before using the solder balls to avoid the oxidation of the solder balls caused by air entering.
When using solder wire, how should the working temperature be reasonably controlled?

When using solder wire, how should the working temperature be reasonably controlled?

Aug 23, 2022

08-232022

1. When soldering the solder wire, the working temperature should be effectively controlled, so as to ensure that the solder wire has a good welding effect. When soldering the solder wire, it should be avoided to put the appropriate solder wire into the tin pot, connect it to the tin pot, turn the power switch over and adjust the working temperature to about 250 degrees Celsius, and use the solder wire to coat the red heating tube. The disposal of the tin ensures that the entire tin surface can completely cover the heating tube. When the solder wire is melted, the solder wire should be added appropriately to ensure that the temperature of the tin surface is maintained at a relatively appropriate value.

2. When the solder wire is in use, if there is solder wire left in the tin furnace, do not cut off the heating power supply of the tin furnace. At this time, the working temperature should be adjusted appropriately to avoid accelerating the oxidation reaction of the tin surface. Usually we can control the working temperature of 63/67 solder wire at about 250 degrees Celsius, 50/50 solder wire should be controlled at about 280 degrees Celsius, and 30/70 solder wire should be controlled at about 300 degrees Celsius. .

2.When investigating the working temperature of the tin furnace of the solder wire, you should not simply check the appearance of the tin furnace itself, which will cause a relatively large error. You should use a special thermometer to pierce the tin furnace for testing. Usually high temperature solder The working temperature of the wire should be controlled within 400-500 degrees Celsius. If the working temperature is not reached, there will be problems with continuous welding and solder joints not shining. Therefore, when using solder wire for welding, the working temperature should be strictly controlled, so as to ensure the welding quality of the solder wire.
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Catherine Fannie Avril
Chtherine Fannie Avril