Density is a measure of the âcompactnessâ of matter within a substance and is defined by the equation: Density = mass/volume eq 1. The standard metric units in use for mass and volume respectively are grams and milliters or cubic centimeters.
Additional Information. The Z/Cloud gives you Chaco's Classic style with pillowtop comfort. Designed for travel days where foot pain is just not an option, an extra layer of PU on top of the podiatrist-certified LuvSeat PU footbed gives you all-day comfort and support. This product will ship directly from Chaco and will leave their warehouse in 2-3 business days.
Greenboard vs. Regular Drywall. Greenboard's inner core of gypsum is the same as regular drywall. Also, just like normal drywall, it is attached directly to the studs. Two things about the outer covering are different: Better Water Resistance: Its paper covering resists water (but is not water-proof). Some greenboard is impregnated with compounds that deter the growth of mold.