Median income is the amount which divides the income distribution into two equal groups, half having income above that amount, and half having income below that amount. Mean income (average) is the amount obtained by dividing the total aggregate income of a group by the number of units in that group.
Top 10 facts about the world. Calcium stearate is a non-toxic, white powdery substance. It is a calcium salt derived from stearic acid and is widely used in cosmetics, plastics, and pharmaceuticals.This salt is used as a plasticizer, stabilizer, and surfactant.alcium stearate is used in many cosmetics. Most calcium stearate used in the U.S. is derived from plant material, like palm oil, and not animal sources. Calcium stearate has several uses in industrial baking.
Zinc stearate powder is an effective internal lubricant, mold release agent in plastic processing and. rubber applications, and to some degree can also provide acid scavenging properties. Zinc stearate is. the metallic carboxylate of choice in most polyolefin processing applications due to its functionality. and low moisture content as it does not adversely hydrolyze phosphites or antioxidants. Zinc stearate is an extremely heat stable product that is manufactured at low temperatures with.