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  • Dhuumaha birta ee dahaaran ee polyurethane

    Dhuumaha birta ee dahaaran ee polyurethane

    Tuubooyin bir ah oo dahaaran oo polyurethane ah ayaa ah alaab tayo sare leh oo u adkeysata dhuumaha, taas oo si weyn loogu isticmaalo dhuumaha farsamaynta macdanta iyo dhuumaha gudbinta dabada.Saldhigga tamarta fosil-shidaalka waxay u isticmaashaa dhuumaha dhuxusha iyo hababka dambaska looga saaro, iyo sidoo kale saliidda, kiimikada, sibidhka iyo warshadaha badarka.Astaamaha 1. Xiro adkaysi u leh 2. Ka Hortagga Cabsida 3. Iska caabinta daxalka 4. U adkaysiga gabowga hydrolysis 5. Dheefta sare 6. U adkaysiga Shoogga Makaaniga