Guhagarika Ikizamini Cyicyitegererezo
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DRK-666 Guhagarika Ikigereranyo Cyicyitegererezo
Ikizamini cyo guhagarika icyitegererezo gikoreshwa kuri EN149 isanzwe irinda ubuhumekero ibikoresho-byungurura ubwoko bwa maskike igice cya mask.Ibipimo ngenderwaho byu Burayi bya maskike ya dolomite yipimisha imashini ya dolomite, izina ryicyongereza ni Optional Dolomite Clogging Test, nimwe mubipapuro byipimisha mubipimo byuburayi CE, kurwego rwo kuyungurura, FFP1 (ingaruka zo kuyungurura byibuze ≥80%), FFP2 ( Ingaruka yo hasi yo kuyungurura≥94%), FFP3 (ingaruka zo kuyungurura hasi ≥99%).Porogaramu: Yakoreshejwe kuri EN149 ...
