Kui soovid oma küsimusele vastust, jäta meile oma e-posti aadress.
Aitäh, oleme tagasiside kätte saanud.
the radiant flux at which the flame extinguishes or the radiant flux after a test period of 30 minutes, whichever is the lower (i.e. the flux corresponding with the furthest extent of spread of flame)
