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.
Neck acne is caused by the same mechanisms that cause facial and body acne. Pores become clogged due to a build-up of cells which stick together and cause a plug. Then bacteria and skin oil, which would normally drain to the surface, get caught inside, causing redness and pus to develop.