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Different types and grades of paint provide different application and resistance properties, depending upon the kinds and levels of ingredients used to create the paint. In turn, the properties of a paint determine the general quality of the coating. Some of the many paint properties affected by the ingredients in the paint are:
Application and Appearance Properties
Interior Paint Properties
Exterior Paint Properties
Color Stain Resistance Color Retention
Hiding Scrub Resistance Mildew Resistance
Flow and Leveling Lack of Yellowing Blister Resistance
Level of Sheen Gloss Resistance to Alkaline Clean Dirt Resistance
Spattering Tendency Burnish Resistance Resistance to Peeling
Foaming Tendency Block Resistance Alkali Resistance
In general terms, all paints have four basic components which impact these properties. These components are:

PIGMENTS
Provide color and hiding; some are used to impart bulk at relatively low cost
BINDER
"binds" the pigment together, and provides film integrity and adhesion
LIQUID
(or the "carrier")provides desired consistency and makes it possible to apply the pigment and binder to the surface being painted

ADDITIVES
low-level ingredients that provide specific paint properties such as mildew resistance, defoaming and good flow and leveling