Urea formaldehyde is the currently state of the art urea granulation additive. Its use is absolutely crucial in order to achieve me required product quality such as crushing strength, bulk density or low caking tendency. Furthermore it is also an inherent granulation aid which ensures a proper performance of the granulation process itself by limiting the generation of dust and providing a high build up rate of the granules. Unfortunately there are also some negative aspects to the use of the pre-condensates of formaldehyde and urea (UF 80, UF85).
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