The causes of floaters include changes associated with aging, inflammation in the back of the eye, and a torn retina, according to Mayo Clinic. Bleeding inside the eye can also result in floaters. Continue Reading.
The reasons for this are threefold. Firstly, the bulk density of raw Microsilica, being almost as fine as cigarette smoke, is about 0.2 tonnes per cubic metre. The process of micropelletisation increases the bulk density to between 300 and 650 tonnes per cubic metre.
The thickness of watercolor paper is indicated by its weight, measured either in grams per square meter (gsm) or pounds per ream (lb). The standard machine weights are 190 gsm (90 lb), 300 gsm (140 lb), 356 gsm (260 lb), and 638 gsm (300 lb).