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UAN (Urea-Ammonium-Nitrate) serves as a liquid fertilizer that amalgamates three essential nitrogen forms: urea, ammonium, and nitrate. This trio of nitrogen sources coordinates a phased-release mechanism, granting plants immediate and protracted nourishment. UAN 32%, with its composition of 25% nitrate nitrogen, 25% ammonium nitrogen, and 50% urea, capitalizes on each nitrogen variant's distinct merits. Nitrate nitrogen furnishes swift plant nourishment, expediting growth responses. Ammonium nitrogen prolongs nutrient supply, ensuring sustained crop feeding. UAN harmonizes these nitrogen types, furnishing a comprehensive fertilization strategy that supports continual crop progress.

https://www.htfmarketintelligence.com/report/global-ammonium-carbonate-market

In general, there are two manufacturing methods of antistatic coating, that is, adding antistatic agent or conductive material to the resin. Add antistatic agent such as quaternary ammonium salt in the resin, and coat the resin surface with 0.1-10 (mass fraction) antistatic agent such as polyolefin, which brings the ability of permanently restoring and accumulating electrostatic charge. Besides, people can add conductive substance such as inorganic carbon black or silver powder to the resin to prevent static electricity while silver is expensive.