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.
Causes of Neck Pain. Strained Neck Muscles. In teens, new neck pain is mostly from stretched neck muscles muscle overuse. Common triggers are sleeping in an awkward position or fixing something on the ceiling. Reading in bed or working on a computer for hours can trigger neck pain.