How to use solder paste? JJY informs you

Many customers who are not very familiar with the solder paste industry do not know how to properly store and use the solder paste purchased from JJY. TodayJJYThe editor will inform everyone in a simple and understandable wayHow to use solder paste.

1.Preservation method

The storage of solder paste should be controlled at1-10℃In such an environment; The shelf life of solder paste is6Months (unopened) Do not place in direct sunlight.

2.Usage method (Before opening)

Before opening, the temperature of the solder paste must be raised to the ambient temperature for use.25±2℃The warming time is approximately3-4It is prohibited to use other heaters to cause the temperature to rise instantaneously. After warming up, it must be thoroughly stirred. The stirring time using a mixer is1-3Minutes, depending on the type of blender.

3.Usage method (After opening)

1)Prepare the solder paste2/3Add the amount to the steel mesh and try to keep it within the limit1The volume of the tank is measured on the steel mesh.

2)Depending on the production speed, the amount of solder paste on the steel mesh should be replenished in small amounts and multiple times to maintain the quality of the solder paste.

3)Unused solder paste on the same day should not be stored together with unused solder paste. It should be kept in another container. It is recommended to store the solder paste at room temperature after opening24Use it up within hours.

4)When using it the next day, you should first use the newly opened solder paste and mix the unused solder paste from the previous day with the new solder paste1:2Stir and mix in proportion, and add and use in small amounts multiple times.

5)After the solder paste is printed on the substrate, it is recommended to4-6Place the parts into the reflow welding furnace within hours to complete the mounting.

6)The cable change exceeded.1For more than hours, please do so before changing the lineSolder pasteScrape it off the steel plate and put it into the solder paste can to seal the lid.

7)Solder paste is printed continuously24After a few hours, due to air dust and other pollution, to ensure product quality, please follow the "steps"4The method of "".

8)To ensure the quality of printing, it is recommended that every4The openings on both sides of the steel plate should be wiped manually.

9)Please control the indoor temperature22-28℃HumidityRH30-60%For the best working environment.

10)To wipe the substrate with printing errors, it is recommended to use industrial alcohol or industrial cleaning agents

Shenzhen JJY Industrial Technology Co., LTDEstablished in2008years10Yue is a customized solder solution provider integrating the research and development, production customization and solution services of electronic solder (solder paste, solder wire, solder bar, etc.). The brand "JJY" it operates has been selected into the Brand Power Demonstration Project [Solder Materials]. If you are interested in consulting, please feel free to call us for negotiation!