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Igisekuru gishya cya Alkaline Phenolic resin
Ibyiza:
Sisitemu ntabwo ikubiyemo ibintu byangiza: azote, sulfuru, fosishorusi, ikwiriye cyane cyane kubyara imisaruro ya karubone, alloy ibyuma, kwicyuma.
Irashobora kuba iya kabiri yakize munsi yubushyuhe bwinshi kandi ifite imitsi myiza, ishobora kugabanya imiti yijimye, imitsi na pore ishyanga zo kwita ku gitabwa. Mugihe cyo gukora, nta ndwago mbi kandi riteye ubwoba zakozwe, kandi ibikorwa byakazi biratera imbere cyane.