PRILLED UREA Property Units Limits Test Methods N 2 Content Wt% Min 46 BS DIN EN 15478 Biuret Content Wt% Max 1.0 BS DIN EN 15479 Moisture Wt% Max 0.3 ISO 760 Particle size (1-2.4mm) % Min 90 ISO 8397 Urea Formaldhide(UF) % Max 0.4 H.F.T 1.6 & SBB 0071-02-E