Technical Grade Low-Biuret Urea for DEF and AdBlue Emission Fluid Production
Technical urea AdBlue grade (automotive urea, CAS 57-13-6, HS Code 3102.10) is an ultra-pure, unconditioned crystalline or prilled carbamide manufactured strictly to ISO 22241-1 specifications, featuring zero formaldehyde anti-caking additives, biuret below 0.3% (solution basis), aldehydes under 5 ppm, and trace metals below 0.5 ppm for SCR diesel exhaust systems.