Originally Posted by
ohiostatechamp
When I worked for an electronic mfg. we had 4 colours. purple, blue, red, and clear. I do not remember the numbers but I do know that is was all lock-tite. I would use the purple and blue on my RC stuff and i never had any problems.
The colors denote the strength:
Purple= Mild
Blue=medium
red=Strong ( must heat to remove )
Clear=Permanent ( Like glue... do not use for RC!!)