What is this paste on the wires?

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SUMMARY

The discussion centers on the identification of a white paste used to secure wires in a servo assembly. Participants identify the substance as likely being RTV (Room Temperature Vulcanizing) silicone or hot-melt glue, emphasizing the importance of using electronics-grade materials due to exposed metal on the wires. The paste serves to prevent wire movement and potential short circuits, particularly in low-voltage applications.

PREREQUISITES
  • Understanding of RTV (Room Temperature Vulcanizing) silicone properties
  • Knowledge of hot-melt glue applications in electronics
  • Familiarity with wire insulation and protection techniques
  • Basic concepts of low-voltage electrical systems
NEXT STEPS
  • Research the properties and applications of RTV silicone in electronics
  • Explore the use of hot-melt glue in wire management and assembly
  • Learn about wire insulation techniques for low-voltage systems
  • Investigate the impact of exposed metal on electrical safety and performance
USEFUL FOR

Electronics engineers, assembly line technicians, and anyone involved in wire management and protection in electronic devices.

kolleamm
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TL;DR
paste name on the wires
This is a servo, there is some sort of a hard white paste keep the 3 wires from moving around and accidentally touching each other. It appears to melt with heat. Does anyone know what it is? My guess is putty.

Thanks in advance
 

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Looks like RTV. Hopefully they used electronics grade, since it looks like some metal on the wires is exposed.
 
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It might also be hot-melt glue. That is a nice quick solution for an assembly line. For low voltage, they could use just about anything.
 
DaveE said:
It might also be hot-melt glue. That is a nice quick solution for an assembly line. For low voltage, they could use just about anything.
+1

I have seen hot melt glue used in similar applications.
 
berkeman said:
Looks like RTV. Hopefully they used electronics grade, since it looks like some metal on the wires is exposed.
Color and texture looks like that on the old CRT's.
Same stuff? ie RTV.
 
256bits said:
Color and texture looks like that on the old CRT's.
Same stuff? ie RTV.
Looks like it to me. Here is an application where we use electronics grade RTV to stabilize a 2.4GHz radio antenna cable in a product (opened up for inspection)...

1563890216096.png
 
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