I-Phthalic anhydride yeyona khemikhali ibalulekileyo esetyenziswa kwimveliso yeemveliso ezahlukeneyo, ezinje ngeeplastiki, iidayi, kunye neeresini. Kwiminyaka yakutshanje, kukho umdla okhulayo wokuqonda ulwazi lwamva nje malunga ne-phthalic anhydride, kubandakanya imveliso, usetyenziso, kunye ne-poten ...
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