4100 4+1 Clear is a water white, high quality clearcoat designed for larger repairs and complete refinishing over most aftermarket basecoat systems. 4100 dries fast and retains high gloss and DOI. 4100 provides excellent durability and is resistant to environmental conditions such as sunlight and acid rain. 4100 can be buffed to match the original finish after 5-14 hours air dry and can be buffed for several days. With 4101, 4102, or 4103 activator, 4100 can be applied in a variety of shop temperatures and humidity conditions.