What is SMT?(十) -- SMD red glue: Basic knowledge
author: Hellen
2022-09-27
SMT patch red glue is a poly thin compound, and solder paste is different from its heat will be cured, its solidification point temperature of 150 ℃, at this time, the red glue began to turn directly from the paste body into a solid.
SMT SMD red glue has viscosity fluidity, temperature characteristics, wetting characteristics, etc.. According to this characteristic of red glue, so in the production, the purpose of using red glue is to make the parts firmly attached to the PCB surface, to prevent it from falling off.
Use on printing machine or dispensing machine:
1、To maintain the quality of the adhesive, please store it in the refrigerator under refrigeration (5±3℃);
2、Before taking out from the refrigerator, it should be put in room temperature to warm up for 2~3 hours;
3、You can use toluene or ethyl acetate to clean the glue tube:
①Adding back plug in the dispensing tube can get more stable dispensing volume;
②The recommended dispensing temperature is 30-35℃;
③When dispensing glue tubes, please use special glue dispensing machine to dispense, in order to prevent air bubbles in the glue.
The recommended dispensing temperature is 30-35℃.
Don't open the glue until it reaches room temperature after it has been removed from the refrigerated environment. To avoid contamination
To avoid contamination of the original product, do not pour any used patch adhesive back into the original packaging.
SMT SMD red glue has viscosity fluidity, temperature characteristics, wetting characteristics, etc.. According to this characteristic of red glue, so in the production, the purpose of using red glue is to make the parts firmly attached to the PCB surface, to prevent it from falling off.
Use on printing machine or dispensing machine:
1、To maintain the quality of the adhesive, please store it in the refrigerator under refrigeration (5±3℃);
2、Before taking out from the refrigerator, it should be put in room temperature to warm up for 2~3 hours;
3、You can use toluene or ethyl acetate to clean the glue tube:
①Adding back plug in the dispensing tube can get more stable dispensing volume;
②The recommended dispensing temperature is 30-35℃;
③When dispensing glue tubes, please use special glue dispensing machine to dispense, in order to prevent air bubbles in the glue.
The recommended dispensing temperature is 30-35℃.
Don't open the glue until it reaches room temperature after it has been removed from the refrigerated environment. To avoid contamination
To avoid contamination of the original product, do not pour any used patch adhesive back into the original packaging.
What is SMT?(十一) -- SMD red glue: Printing methods
What is SMT?(九) -- Reflow soldering common knowledge IV
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