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.
What causes neck cracking and popping? The snapping or grinding of your neck may be caused by: Synovial fluid changes. The synovial fluid between your joints lubricates movement, and when the pressure changes in this fluid, it creates gaseous bubbles. According to a 2015 study, the creation of these bubbles makes a cracking or popping sound.