STOP PLASTIC SHRINKAGE CRACKS WITH E-CON!E-CON is a scientifically developed concentrated liquid that, when placed on fresh concrete, forms a thin, continuous film which prevents premature and rapid loss of moisture from the concrete surface. E-CON is very effective in minimizing the negative effects of rapid drying conditions due to high temperatures, low humidity, high winds and direct sunlight. At less than one cent a square foot, E-CON is an insurance policy you can afford to have!