A food emulsifier, also called an emulgent, is a surface-active agent that acts as a border between two immiscible liquids such as oil and water, allowing them to be blended into stable emulsions. Emulsifiers also reduce stickiness, control crystallization and prevent separation.
On average, the cost for quartz countertops without installation fees included is about $75 per square foot. Although the price varies by brand and manufacturer, here are some of the average costs based on quality: 1  Low-quality quartz: $50 to $60 per square foot.  Mid-quality quartz: $60 to $70 per square foot.
The cost of quartz countertops is comparable to granite, another popular option these days. Silestone and Zodiaq both require that a certified professional install the countertops, so pricing is all-inclusive. Quartz costs between $42 and $66 per square foot, installed. The average kitchen has about 25 square feet (2.3 meters) of countertop space, so with a middle-of-the-road $50 variety you're looking at about $1,250 with installation.