Removing gels
Vol. 23 #2, Oct. 1996
For pushing crosslinked (gelled) polyolefins, use a mix of the most viscous resin run and powered or flake stearic acid.
A 10 20% level of acid works well to soften caramelized resin and allows it to be pushed out.
See also:
- Gel identification
- Gels 1
- Gels 2
- Purging gels
Return to
Extrusion Hints