Ifu y'ibishishwa bivuga ifu ikozwe no kumenagura no gusya ibishishwa.Ibigize 95% ni calcium karubone, chitine, hamwe na acide nkeya ya amino na polysaccharide.Irashobora gukoreshwa nkibikoresho byo mu rwego rwo hejuru mu biribwa, kwisiga no gushariza imbere, kandi bikoreshwa mu bworozi n’inkoko.Kugaburira no kurya ibiryo bya calcium yongeweho, gutunganya imitako, desiccants, nibindi. Irangi ryifu ya Shell ni urugo rugenda rutera imbere murugo imbere irangi ryurukuta mumyaka yashize.

1. Kwiyongera kwa formaldehyde 2. Kwoza umwuka 3. Kurandura imikorere yumunuko 4. Ingaruka za antibacterial na antibacterial