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Dhuumaha birta ee dahaaran ee polyurethane
Tuubooyin bir ah oo dahaaran polyurethane waa 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 Cabista 3. Iska caabinta daxalka 4. U adkaysiga gabowga hydrolysis 5. Balaasti sare 6. U adkaysiga Shoogga makaanikada 7. Is-saliid Arex ayaa doorta prem...
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