Duratec's Sunshield Clear Polyester Topcoat resists yellowing in sunlight; no sun blocking urethane is required for exterior use. The topcoat provides a high quality finish with a good chemical resistance. This product has been specially formulated to be easy to sand and polish. Key Uses Exterior carbon fiber parts Exterior fiberglass parts Multiple marine applications (above waterline) Outdoor wood furniture Key Features UV Resistance - Resists yellowing when exposed to sunlight Easy Application - This product is easy to apply and sand Pre-Promoted - For safety, consistency and easy use. Air-cure with no wax required High-Gloss - Polishes to a high gloss (wet look surface) Chemical Resistance - Highly cross-linked coating provides excellent chemical resistance Strength & Flexibility - Excellent flexibility and impact resistance Product Properties Gel Time: 15 - 18 Minutes Coverage Per Gallon, 20 mil thickness: 80 sqft.