The only change is the plastic screw extruder. There are no changes in the material neither in the parts. He have used always ciclohexanone since we are bonding PVC.
Thanks Rick
Thanks Rick for your help. Tubing cracks appears when we use ciclohexanone in the joints with diferent parts. These craks are in the edge of the parts where cyclohexanone has contacted and are not in the lengh but in the wide. Could these cracks be related with an non correct extruxion process...
We have experienced some cracks in the PVC tubing asembly. After investigation, we have the hypothesis that this craks in the joints could come from a non correct extrusión process temperatures, since the tubing appears to have very high shrinkage rates (9-10%). Have anybody experienced the same...
