Products containing additives that do not yet have national or industry standards should be tested for terrestrial plants. For methods, see Appendix A and Appendix B of HG/T 4365-2012.
Moisture is subject to factory inspection database.
If formaldehyde is not added in the urea production process, methylene diurea is not measured.
Only need to comply with any one of the four gears, the size range should be indicated in the packaging label. If agricultural (fertilizer) urea is used as raw material for blended fertilizer (BB) production, the SGN and UI can be selected according to the supply and demand agreement. For the calculation method, please refer to Appendix A.
The above picture is urea with a diameter of 0.85MM ~ 2.80MM , also known as small particle urea. Widely used in industry, agriculture and other industrial industries.