... line about 12 years and our clients are mainly come from Bangladesh, Malaysia, Indonesia, Thailand, Philippines, Vietnam, Sri Lanka , Africa, ... Soluble in water and in liquid ammonia.♦Specification of prilled urea Nitrogen 46.0%Min Biuret 1.0%Max Moisture 0.5 ... Physical properties White, hygroscopic crystal prilled. Free flowing and free from harmful substances. Melting point 132°C. Soluble in water ...