hardener/car paint/auto paint EC-2K Series Hardener Match with: EC-2K Solid Colors, EC-800 Clear Coat and EC-500 Clear Coat Characteristic: EC-801 Fast Hardener Medium solid fast drying hardener for topcoat, suitable for spot repair and low temperature application below 18°C EC-802 Standard Hardener Medium solid standard drying hardener for topcoat, suitable for spot repair and overall refinish at 18-30°C. EC-803 Slow Hardener Medium solid slow drying hardener for topcoat, suitable for spot repair and overall refinish above 30°C. EC-502 Standard Hardener Standard Hardener for EC-500 Clear Coat suitable for spot repair and overall refinish at 18-30°C, Hardener for EC-501 Fast Clear Coat, suitable for application below 18°C. EC-503 Slow Hardener Show hardener for EC-500 Clear Coat, suitable for spot repair and overall refinish about 30°C. Shelf Life: 2 years in original sealed can at cool and dry place at 20°C. Packaging: 1L, 2.5L Note: 1. Choose right hardener according to temperature, humidity condition, generally, better to use fast drying hardener below 18°C, standard hardener at 18-30°C and slow drying hardener above 30°C. 2. Please seal the can tightly after use as hardener is sensitive to moisture. Absorption of moisture can lead to chemical reaction and concreting. Please keep away from direct sunlight in storage. 3. Please wear proper personal protective equipments during application, such as gas mask and so on , as it is irritating to respiratory system.