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.
Here are some of the most typical causes of neck pain: 1  Injury and Accidents: A sudden forced movement of the head or neck in any direction and the resulting âreboundâ in the opposite direction is known as whiplash. The sudden âwhippingâ motion injures the surrounding and supporting tissues of the neck and head.