Eco Pro 2K 4:1 HS Urethane Primer Red & Medium Hardener Kit is a high-performance refinishing system designed for automotive, industrial, and fleet vehicle coatings. This premium kit includes: ✔ 1 Gallon Eco Pro 2K 4:1 HS Urethane Primer Red – A high-build primer offering strong adhesion, smooth sanding, and an even base for topcoat application. ✔ 1 Quart Medium Hardener – A controlled-drying activator that allows sanding in 3-4 hours at 20°C (68°F) and full curing in 45 minutes at 60°C (140°F), ensuring a flawless finish and optimal paint adhesion. This urethane primer and medium hardener combination ensures exceptional adhesion, improved chemical resistance, and superior durability. Designed for OEM refinishing, fleet maintenance, auto body professionals, and industrial coatings, this kit delivers long-lasting refinishing results and maximum surface protection. How to Use: 1️⃣ Ensure the surface is clean, dry, and free from grease, dirt, and rust before application. 2️⃣ Mix 4 parts primer with 1 part medium hardener for a precise 4:1 ratio. 3️⃣ Stir thoroughly before application to activate the chemical bonding process. 4️⃣ Apply using HVLP or conventional spray guns at a pressure of 1.8-2.2 bar. 5️⃣ Allow proper drying before sanding and applying the topcoat for a flawless finish. Kit Includes: 1 Gallon (128 Fl Oz) Eco Pro 2K 4:1 HS Urethane Primer Red 1 Quart (32 Fl Oz) Eco Pro 2K 4:1 HS Urethane Primer Medium Hardener