Polymer Resin Coated Urea Products List Analysis Longevity at 25℃(Soil temp) Initial release rate Particle size 45-0-0 Black coated 30 days 12% max 2.0-4.75mm, 99%min 45-0-0 Blue/Purplish red/Green coated 60 days 5% max 2.0-4.75mm, 99%min 44-0-0 Blue coated 90 days 5% max 2.0-4.75mm, 99%min Polymer Coated Urea Longevity Longevity of different products 45-0-0(30d) 45-0-0(60d) 44-0-0(90d) All Products Contact Now