Properties: Slow filtering Filtration speed of 77.5 s/100 ml Creped filter paper with medium to low filtration speed. Resistant to weak acids and bases. Often used as protective paper for filter cloths in filter presses and in cocoa butter and cooking oil processing. You can find the certificate here: https://www.cytivalifesciences.com/en/de/support/quality/certificatesMeer tonenMinder tonen