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 Granite vs. Quartz Countertops. Itâs really about a toss-up in this category. The cost of quartz ranges from $80-$140 per square foot installed and granite starts at about $80 and can go to $175 or slightly higher for high-end material.