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КАЧЕСТВО Синтетическая смола формальдегида мочевины пудрит зернистое твердое просвечивающее фабрика
Synthetic Urea Formaldehyde Resin Powder Granular Solid Translucent Industry Base Urea Molding Compound Raw Material what is Urea formaldehydeUrea formaldehyde is a translucent thermosetting resin made by heating urea and formaldehyde in an ammonia or pyridine solution. A polymer formed by the reaction of urea with formaldehyde. Also known as urea formaldehyde resin. UF for short. Processing molding occurs when crosslinking, products for the thermosetting resin insoluble not