If you ask a processor what type of PE they are running, a typical response will be, âIâm running a 7-melt, 953 material.â Translation: a material with a nominal melt index of 7 g/10 min. and a density of 0.953 grams/cm3.
If the cause of the popping sound is due to cavitation then this can help relieve pressure in the joints and provide some relief from neck pain and other joint pain, although this is likely to just be temporary.
When the neck is the likely culprit. Inflammation of any of the 14 nerves or eight pairs of joints in the neck can cause neck pain. The joints â or vertebrae â serve as a hinge that lets us nod or shake our heads during conversation (no wonder they wear out).