How much do you know about the functions and components of solder paste?

WithSMTWith the emergence of this, solder paste also came into being. It combines flux and solder powder, as well as thixotropic agents and surfactants, thereby achieving better soldering results during the soldering process. Solder paste is usually used forPCBThe soldering process of surface capacitors, resistors and other components is explained by the solder paste manufacturer below:

At room temperature, solder paste also has a certain viscosity so that electronic components can be pasted in the required positions. Under the condition of a constant welding temperature, a better connection effect can be achieved with the action of solvents and other auxiliary additives. Solder paste is usually composed of two parts: solder powder and flux. Different components play their own unique roles. 

Fluxes mainly include activators, resins, thixotropic agents and solvents, etc. The activator in solder paste can effectively remove the oxides of soldered parts and also effectively reduce the surface tension of tin alloys. The solvent allows for better stirring. Adjust the uniformity of the solder paste. Solder powder is usually composed of tin-lead, tin-lead-silver, tin-silver-copper, tin-bismuth-silver, tin-bismuth alloy, etc. Different proportions are used to achieve better soldering effects. According to different requirements for melting points, solders can also be classified into high-temperature solders, medium-temperature solders and low-temperature solders, etc.

After understanding the functions and components of solder paste, it is necessary to store it better. Under normal circumstances, solder paste needs to be controlled at1-10Celsius. If unopened, it can be used6It is not suitable to be placed in a place exposed to direct sunlight for a month.

Shenzhen JJY has carried out mutually beneficial cooperation with electronic raw material producers and also produces solder paste and flux paste for other enterprises. With a rich variety of successful cases in the research and development of chemical raw materials, our overall strength has created a sales market that is of high quality and honest and trustworthy.