Kupanga kwa polyurethane Padziko Lonse: Kusanthula Mwakuya Mawu Oyamba a Polyurethane Production Polyurethane ndi polima wosunthika komanso wogwiritsidwa ntchito kwambiri wotengedwa kuchokera kumankhwala apakati pa diisocyanates ndi ma polyols. Makhalidwe ake apadera, monga flexibili
Kuyamba kwa tepi ya BOPP Tanthauzo: Tepi ya BOPP imachokera ku filimu ya BOPP biaxially oriented polypropylene, yomwe imakutidwa mofanana ndi kupanikizika- latex yomatira yomvera ikatenthedwa kuti ipange zomatira kuyambira 8μm mpaka 28μm. Ndi indisp