DiTEC Glasstec is a durable, hydrophobic coating designed to protect glass and other hard surfaces from salt, calcium, mineral buildup, and UV damage. This molecular-bonding formula repels water and simplifies future cleanups by preventing deposits from adhering to treated areas. Coverage: 32 oz. bottle covers up to 4,200 sq. ft. Surface compatibility: Suitable for glass, plastic, fiberglass, ceramic, paint, and other glossy surfaces. Durability: Provides up to one year of protection on glass surfaces, though duration is reduced in areas of mechanical wear such as windshield wipers. Application: Apply using a microfiber applicator pad. Surface preparation: Must be applied to surfaces cleaned with DiTEC Crystal Clear; do not use standard household glass cleaners for initial prep. Physical properties: Clear liquid, 100% water-soluble.